mirror of https://github.com/apache/kafka.git
KAFKA-8326: Introduce List Serde (#6592)
Introduce List serde for primitive types or custom serdes with a serializer and a deserializer according to KIP-466 Reviewers: Anna Sophie Blee-Goldman <ableegoldman@apache.org>, Matthias J. Sax <mjsax@conflunet.io>, John Roesler <roesler@confluent.io>, Michael Noll <michael@confluent.io>
This commit is contained in:
Daniyar Yeralin
GitHub
parent
e69571aecc
commit
6d1ae8bc00
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@ -189,6 +189,7 @@
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</subpackage>
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</subpackage>
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<subpackage name="serialization">
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<subpackage name="serialization">
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<allow pkg="org.apache.kafka.clients" />
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<allow class="org.apache.kafka.common.errors.SerializationException" />
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<allow class="org.apache.kafka.common.errors.SerializationException" />
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<allow class="org.apache.kafka.common.header.Headers" />
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<allow class="org.apache.kafka.common.header.Headers" />
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</subpackage>
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</subpackage>
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@ -118,6 +118,26 @@ public class CommonClientConfigs {
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+ "elapses the client will resend the request if necessary or fail the request if "
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+ "elapses the client will resend the request if necessary or fail the request if "
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+ "retries are exhausted.";
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+ "retries are exhausted.";
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public static final String DEFAULT_LIST_KEY_SERDE_INNER_CLASS = "default.list.key.serde.inner";
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public static final String DEFAULT_LIST_KEY_SERDE_INNER_CLASS_DOC = "Default inner class of list serde for key that implements the <code>org.apache.kafka.common.serialization.Serde</code> interface. "
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+ "This configuration will be read if and only if <code>default.key.serde</code> configuration is set to <code>org.apache.kafka.common.serialization.Serdes.ListSerde</code>";
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public static final String DEFAULT_LIST_VALUE_SERDE_INNER_CLASS = "default.list.value.serde.inner";
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public static final String DEFAULT_LIST_VALUE_SERDE_INNER_CLASS_DOC = "Default inner class of list serde for value that implements the <code>org.apache.kafka.common.serialization.Serde</code> interface. "
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+ "This configuration will be read if and only if <code>default.value.serde</code> configuration is set to <code>org.apache.kafka.common.serialization.Serdes.ListSerde</code>";
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public static final String DEFAULT_LIST_KEY_SERDE_TYPE_CLASS = "default.list.key.serde.type";
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public static final String DEFAULT_LIST_KEY_SERDE_TYPE_CLASS_DOC = "Default class for key that implements the <code>java.util.List</code> interface. "
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+ "This configuration will be read if and only if <code>default.key.serde</code> configuration is set to <code>org.apache.kafka.common.serialization.Serdes.ListSerde</code> "
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+ "Note when list serde class is used, one needs to set the inner serde class that implements the <code>org.apache.kafka.common.serialization.Serde</code> interface via '"
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+ DEFAULT_LIST_KEY_SERDE_INNER_CLASS + "'";
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public static final String DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS = "default.list.value.serde.type";
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public static final String DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS_DOC = "Default class for value that implements the <code>java.util.List</code> interface. "
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+ "This configuration will be read if and only if <code>default.value.serde</code> configuration is set to <code>org.apache.kafka.common.serialization.Serdes.ListSerde</code> "
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+ "Note when list serde class is used, one needs to set the inner serde class that implements the <code>org.apache.kafka.common.serialization.Serde</code> interface via '"
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+ DEFAULT_LIST_VALUE_SERDE_INNER_CLASS + "'";
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public static final String GROUP_ID_CONFIG = "group.id";
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public static final String GROUP_ID_CONFIG = "group.id";
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public static final String GROUP_ID_DOC = "A unique string that identifies the consumer group this consumer belongs to. This property is required if the consumer uses either the group management functionality by using <code>subscribe(topic)</code> or the Kafka-based offset management strategy.";
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public static final String GROUP_ID_DOC = "A unique string that identifies the consumer group this consumer belongs to. This property is required if the consumer uses either the group management functionality by using <code>subscribe(topic)</code> or the Kafka-based offset management strategy.";
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@ -0,0 +1,191 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.kafka.common.serialization;
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import static org.apache.kafka.common.serialization.Serdes.ListSerde.SerializationStrategy;
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import static org.apache.kafka.common.utils.Utils.mkEntry;
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import static org.apache.kafka.common.utils.Utils.mkMap;
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import java.io.ByteArrayInputStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import org.apache.kafka.clients.CommonClientConfigs;
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import org.apache.kafka.common.KafkaException;
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import org.apache.kafka.common.config.ConfigException;
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import org.apache.kafka.common.errors.SerializationException;
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import org.apache.kafka.common.serialization.Serdes.ListSerde;
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import org.apache.kafka.common.utils.Utils;
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public class ListDeserializer<Inner> implements Deserializer<List<Inner>> {
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private static final Map<Class<? extends Deserializer<?>>, Integer> FIXED_LENGTH_DESERIALIZERS = mkMap(
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mkEntry(ShortDeserializer.class, Short.BYTES),
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mkEntry(IntegerDeserializer.class, Integer.BYTES),
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mkEntry(FloatDeserializer.class, Float.BYTES),
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mkEntry(LongDeserializer.class, Long.BYTES),
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mkEntry(DoubleDeserializer.class, Double.BYTES),
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mkEntry(UUIDDeserializer.class, 36)
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);
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private Deserializer<Inner> inner;
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private Class<?> listClass;
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private Integer primitiveSize;
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public ListDeserializer() {}
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public <L extends List<Inner>> ListDeserializer(Class<L> listClass, Deserializer<Inner> inner) {
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if (listClass == null || inner == null) {
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throw new IllegalArgumentException("ListDeserializer requires both \"listClass\" and \"innerDeserializer\" parameters to be provided during initialization");
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}
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this.listClass = listClass;
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this.inner = inner;
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this.primitiveSize = FIXED_LENGTH_DESERIALIZERS.get(inner.getClass());
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}
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public Deserializer<Inner> innerDeserializer() {
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return inner;
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}
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@Override
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public void configure(Map<String, ?> configs, boolean isKey) {
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if (listClass != null || inner != null) {
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throw new ConfigException("List deserializer was already initialized using a non-default constructor");
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}
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configureListClass(configs, isKey);
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configureInnerSerde(configs, isKey);
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}
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private void configureListClass(Map<String, ?> configs, boolean isKey) {
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String listTypePropertyName = isKey ? CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS : CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS;
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final Object listClassOrName = configs.get(listTypePropertyName);
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if (listClassOrName == null) {
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throw new ConfigException("Not able to determine the list class because it was neither passed via the constructor nor set in the config.");
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}
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try {
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if (listClassOrName instanceof String) {
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listClass = Utils.loadClass((String) listClassOrName, Object.class);
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} else if (listClassOrName instanceof Class) {
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listClass = (Class<?>) listClassOrName;
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} else {
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throw new KafkaException("Could not determine the list class instance using \"" + listTypePropertyName + "\" property.");
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}
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} catch (final ClassNotFoundException e) {
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throw new ConfigException(listTypePropertyName, listClassOrName, "Deserializer's list class \"" + listClassOrName + "\" could not be found.");
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}
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}
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@SuppressWarnings("unchecked")
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private void configureInnerSerde(Map<String, ?> configs, boolean isKey) {
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String innerSerdePropertyName = isKey ? CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS : CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS;
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final Object innerSerdeClassOrName = configs.get(innerSerdePropertyName);
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if (innerSerdeClassOrName == null) {
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throw new ConfigException("Not able to determine the inner serde class because it was neither passed via the constructor nor set in the config.");
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}
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try {
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if (innerSerdeClassOrName instanceof String) {
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inner = Utils.newInstance((String) innerSerdeClassOrName, Serde.class).deserializer();
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} else if (innerSerdeClassOrName instanceof Class) {
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inner = (Deserializer<Inner>) ((Serde) Utils.newInstance((Class) innerSerdeClassOrName)).deserializer();
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} else {
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throw new KafkaException("Could not determine the inner serde class instance using \"" + innerSerdePropertyName + "\" property.");
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}
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inner.configure(configs, isKey);
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primitiveSize = FIXED_LENGTH_DESERIALIZERS.get(inner.getClass());
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} catch (final ClassNotFoundException e) {
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throw new ConfigException(innerSerdePropertyName, innerSerdeClassOrName, "Deserializer's inner serde class \"" + innerSerdeClassOrName + "\" could not be found.");
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}
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}
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@SuppressWarnings("unchecked")
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private List<Inner> createListInstance(int listSize) {
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try {
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Constructor<List<Inner>> listConstructor;
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try {
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listConstructor = (Constructor<List<Inner>>) listClass.getConstructor(Integer.TYPE);
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return listConstructor.newInstance(listSize);
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} catch (NoSuchMethodException e) {
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listConstructor = (Constructor<List<Inner>>) listClass.getConstructor();
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return listConstructor.newInstance();
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}
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} catch (InstantiationException | IllegalAccessException | NoSuchMethodException |
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IllegalArgumentException | InvocationTargetException e) {
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throw new KafkaException("Could not construct a list instance of \"" + listClass.getCanonicalName() + "\"", e);
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}
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}
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private SerializationStrategy parseSerializationStrategyFlag(final int serializationStrategyFlag) throws IOException {
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if (serializationStrategyFlag < 0 || serializationStrategyFlag >= SerializationStrategy.VALUES.length) {
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throw new SerializationException("Invalid serialization strategy flag value");
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}
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return SerializationStrategy.VALUES[serializationStrategyFlag];
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}
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private List<Integer> deserializeNullIndexList(final DataInputStream dis) throws IOException {
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int nullIndexListSize = dis.readInt();
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List<Integer> nullIndexList = new ArrayList<>(nullIndexListSize);
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while (nullIndexListSize != 0) {
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nullIndexList.add(dis.readInt());
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nullIndexListSize--;
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}
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return nullIndexList;
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}
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@Override
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public List<Inner> deserialize(String topic, byte[] data) {
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if (data == null) {
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return null;
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}
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try (final DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data))) {
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SerializationStrategy serStrategy = parseSerializationStrategyFlag(dis.readByte());
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List<Integer> nullIndexList = null;
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if (serStrategy == SerializationStrategy.CONSTANT_SIZE) {
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// In CONSTANT_SIZE strategy, indexes of null entries are decoded from a null index list
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nullIndexList = deserializeNullIndexList(dis);
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}
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final int size = dis.readInt();
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List<Inner> deserializedList = createListInstance(size);
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for (int i = 0; i < size; i++) {
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int entrySize = serStrategy == SerializationStrategy.CONSTANT_SIZE ? primitiveSize : dis.readInt();
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if (entrySize == ListSerde.NULL_ENTRY_VALUE || (nullIndexList != null && nullIndexList.contains(i))) {
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deserializedList.add(null);
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continue;
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}
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byte[] payload = new byte[entrySize];
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if (dis.read(payload) == -1) {
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throw new SerializationException("End of the stream was reached prematurely");
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}
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deserializedList.add(inner.deserialize(topic, payload));
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}
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return deserializedList;
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} catch (IOException e) {
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throw new KafkaException("Unable to deserialize into a List", e);
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}
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}
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@Override
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public void close() {
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if (inner != null) {
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inner.close();
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}
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}
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}
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@ -0,0 +1,142 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.kafka.common.serialization;
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import java.util.ArrayList;
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import java.util.Iterator;
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import org.apache.kafka.clients.CommonClientConfigs;
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import org.apache.kafka.common.KafkaException;
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import org.apache.kafka.common.config.ConfigException;
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import org.apache.kafka.common.utils.Utils;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import static org.apache.kafka.common.serialization.Serdes.ListSerde.SerializationStrategy;
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public class ListSerializer<Inner> implements Serializer<List<Inner>> {
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private static final List<Class<? extends Serializer<?>>> FIXED_LENGTH_SERIALIZERS = Arrays.asList(
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ShortSerializer.class,
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IntegerSerializer.class,
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FloatSerializer.class,
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LongSerializer.class,
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DoubleSerializer.class,
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UUIDSerializer.class);
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private Serializer<Inner> inner;
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private SerializationStrategy serStrategy;
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public ListSerializer() {}
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public ListSerializer(Serializer<Inner> inner) {
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if (inner == null) {
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throw new IllegalArgumentException("ListSerializer requires \"serializer\" parameter to be provided during initialization");
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}
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this.inner = inner;
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this.serStrategy = FIXED_LENGTH_SERIALIZERS.contains(inner.getClass()) ? SerializationStrategy.CONSTANT_SIZE : SerializationStrategy.VARIABLE_SIZE;
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}
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public Serializer<Inner> getInnerSerializer() {
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return inner;
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}
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@SuppressWarnings("unchecked")
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@Override
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public void configure(Map<String, ?> configs, boolean isKey) {
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if (inner != null) {
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throw new ConfigException("List serializer was already initialized using a non-default constructor");
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}
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final String innerSerdePropertyName = isKey ? CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS : CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS;
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final Object innerSerdeClassOrName = configs.get(innerSerdePropertyName);
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if (innerSerdeClassOrName == null) {
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throw new ConfigException("Not able to determine the serializer class because it was neither passed via the constructor nor set in the config.");
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}
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try {
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if (innerSerdeClassOrName instanceof String) {
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inner = Utils.newInstance((String) innerSerdeClassOrName, Serde.class).serializer();
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} else if (innerSerdeClassOrName instanceof Class) {
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inner = (Serializer<Inner>) ((Serde) Utils.newInstance((Class) innerSerdeClassOrName)).serializer();
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} else {
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throw new KafkaException("Could not create a serializer class instance using \"" + innerSerdePropertyName + "\" property.");
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}
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inner.configure(configs, isKey);
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serStrategy = FIXED_LENGTH_SERIALIZERS.contains(inner.getClass()) ? SerializationStrategy.CONSTANT_SIZE : SerializationStrategy.VARIABLE_SIZE;
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} catch (final ClassNotFoundException e) {
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throw new ConfigException(innerSerdePropertyName, innerSerdeClassOrName, "Serializer class " + innerSerdeClassOrName + " could not be found.");
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}
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}
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||||||
|
private void serializeNullIndexList(final DataOutputStream out, List<Inner> data) throws IOException {
|
||||||
|
int i = 0;
|
||||||
|
List<Integer> nullIndexList = new ArrayList<>();
|
||||||
|
for (Iterator<Inner> it = data.listIterator(); it.hasNext(); i++) {
|
||||||
|
if (it.next() == null) {
|
||||||
|
nullIndexList.add(i);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
out.writeInt(nullIndexList.size());
|
||||||
|
for (int nullIndex : nullIndexList) {
|
||||||
|
out.writeInt(nullIndex);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public byte[] serialize(String topic, List<Inner> data) {
|
||||||
|
if (data == null) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
try (final ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||||
|
final DataOutputStream out = new DataOutputStream(baos)) {
|
||||||
|
out.writeByte(serStrategy.ordinal()); // write serialization strategy flag
|
||||||
|
if (serStrategy == SerializationStrategy.CONSTANT_SIZE) {
|
||||||
|
// In CONSTANT_SIZE strategy, indexes of null entries are encoded in a null index list
|
||||||
|
serializeNullIndexList(out, data);
|
||||||
|
}
|
||||||
|
final int size = data.size();
|
||||||
|
out.writeInt(size);
|
||||||
|
for (Inner entry : data) {
|
||||||
|
if (entry == null) {
|
||||||
|
if (serStrategy == SerializationStrategy.VARIABLE_SIZE) {
|
||||||
|
out.writeInt(Serdes.ListSerde.NULL_ENTRY_VALUE);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
final byte[] bytes = inner.serialize(topic, entry);
|
||||||
|
if (serStrategy == SerializationStrategy.VARIABLE_SIZE) {
|
||||||
|
out.writeInt(bytes.length);
|
||||||
|
}
|
||||||
|
out.write(bytes);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return baos.toByteArray();
|
||||||
|
} catch (IOException e) {
|
||||||
|
throw new KafkaException("Failed to serialize List", e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void close() {
|
||||||
|
if (inner != null) {
|
||||||
|
inner.close();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -19,6 +19,7 @@ package org.apache.kafka.common.serialization;
|
||||||
import org.apache.kafka.common.utils.Bytes;
|
import org.apache.kafka.common.utils.Bytes;
|
||||||
|
|
||||||
import java.nio.ByteBuffer;
|
import java.nio.ByteBuffer;
|
||||||
|
import java.util.List;
|
||||||
import java.util.Map;
|
import java.util.Map;
|
||||||
import java.util.UUID;
|
import java.util.UUID;
|
||||||
|
|
||||||
|
|
@ -125,6 +126,27 @@ public class Serdes {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static public final class ListSerde<Inner> extends WrapperSerde<List<Inner>> {
|
||||||
|
|
||||||
|
final static int NULL_ENTRY_VALUE = -1;
|
||||||
|
|
||||||
|
enum SerializationStrategy {
|
||||||
|
CONSTANT_SIZE,
|
||||||
|
VARIABLE_SIZE;
|
||||||
|
|
||||||
|
public static final SerializationStrategy[] VALUES = SerializationStrategy.values();
|
||||||
|
}
|
||||||
|
|
||||||
|
public ListSerde() {
|
||||||
|
super(new ListSerializer<>(), new ListDeserializer<>());
|
||||||
|
}
|
||||||
|
|
||||||
|
public <L extends List<Inner>> ListSerde(Class<L> listClass, Serde<Inner> serde) {
|
||||||
|
super(new ListSerializer<>(serde.serializer()), new ListDeserializer<>(listClass, serde.deserializer()));
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
@SuppressWarnings("unchecked")
|
@SuppressWarnings("unchecked")
|
||||||
static public <T> Serde<T> serdeFrom(Class<T> type) {
|
static public <T> Serde<T> serdeFrom(Class<T> type) {
|
||||||
if (String.class.isAssignableFrom(type)) {
|
if (String.class.isAssignableFrom(type)) {
|
||||||
|
|
@ -265,4 +287,12 @@ public class Serdes {
|
||||||
static public Serde<Void> Void() {
|
static public Serde<Void> Void() {
|
||||||
return new VoidSerde();
|
return new VoidSerde();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* A serde for {@code List} type
|
||||||
|
*/
|
||||||
|
static public <L extends List<Inner>, Inner> Serde<List<Inner>> ListSerde(Class<L> listClass, Serde<Inner> innerSerde) {
|
||||||
|
return new ListSerde<>(listClass, innerSerde);
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,251 @@
|
||||||
|
/*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.apache.kafka.common.serialization;
|
||||||
|
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertNotNull;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertThrows;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||||
|
|
||||||
|
import org.apache.kafka.clients.CommonClientConfigs;
|
||||||
|
import org.apache.kafka.common.KafkaException;
|
||||||
|
import org.apache.kafka.common.config.ConfigException;
|
||||||
|
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
import org.junit.jupiter.api.Test;
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
public class ListDeserializerTest {
|
||||||
|
private final ListDeserializer<?> listDeserializer = new ListDeserializer<>();
|
||||||
|
private final Map<String, Object> props = new HashMap<>();
|
||||||
|
private final String nonExistingClass = "non.existing.class";
|
||||||
|
private static class FakeObject {
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsWithClassNames() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class.getName());
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class.getName());
|
||||||
|
listDeserializer.configure(props, true);
|
||||||
|
final Deserializer<?> inner = listDeserializer.innerDeserializer();
|
||||||
|
assertNotNull(inner, "Inner deserializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringDeserializer, "Inner deserializer type should be StringDeserializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsWithClassNames() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class.getName());
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.IntegerSerde.class.getName());
|
||||||
|
listDeserializer.configure(props, false);
|
||||||
|
final Deserializer<?> inner = listDeserializer.innerDeserializer();
|
||||||
|
assertNotNull(inner, "Inner deserializer should be not null");
|
||||||
|
assertTrue(inner instanceof IntegerDeserializer, "Inner deserializer type should be IntegerDeserializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsWithClassObjects() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
listDeserializer.configure(props, true);
|
||||||
|
final Deserializer<?> inner = listDeserializer.innerDeserializer();
|
||||||
|
assertNotNull(inner, "Inner deserializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringDeserializer, "Inner deserializer type should be StringDeserializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsWithClassObjects() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
listDeserializer.configure(props, false);
|
||||||
|
final Deserializer<?> inner = listDeserializer.innerDeserializer();
|
||||||
|
assertNotNull(inner, "Inner deserializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringDeserializer, "Inner deserializer type should be StringDeserializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowConfigExceptionDueMissingInnerClassProp() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the inner serde class because "
|
||||||
|
+ "it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowConfigExceptionDueMissingInnerClassProp() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the inner serde class because "
|
||||||
|
+ "it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowConfigExceptionDueMissingTypeClassProp() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the list class because "
|
||||||
|
+ "it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowConfigExceptionDueMissingTypeClassProp() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the list class because "
|
||||||
|
+ "it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidTypeClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, new FakeObject());
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Could not determine the list class instance using "
|
||||||
|
+ "\"" + CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidTypeClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, new FakeObject());
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Could not determine the list class instance using "
|
||||||
|
+ "\"" + CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidInnerClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, new FakeObject());
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Could not determine the inner serde class instance using "
|
||||||
|
+ "\"" + CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidInnerClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, new FakeObject());
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Could not determine the inner serde class instance using "
|
||||||
|
+ "\"" + CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowConfigExceptionDueListClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, nonExistingClass);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value " + nonExistingClass + " for configuration "
|
||||||
|
+ CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS + ": Deserializer's list class "
|
||||||
|
+ "\"" + nonExistingClass + "\" could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowConfigExceptionDueListClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, nonExistingClass);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value " + nonExistingClass + " for configuration "
|
||||||
|
+ CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS + ": Deserializer's list class "
|
||||||
|
+ "\"" + nonExistingClass + "\" could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerNoArgConstructorsShouldThrowConfigExceptionDueInnerSerdeClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, nonExistingClass);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value " + nonExistingClass + " for configuration "
|
||||||
|
+ CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS + ": Deserializer's inner serde class "
|
||||||
|
+ "\"" + nonExistingClass + "\" could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerNoArgConstructorsShouldThrowConfigExceptionDueInnerSerdeClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, nonExistingClass);
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listDeserializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value " + nonExistingClass + " for configuration "
|
||||||
|
+ CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS + ": Deserializer's inner serde class "
|
||||||
|
+ "\"" + nonExistingClass + "\" could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeyDeserializerShouldThrowConfigExceptionDueAlreadyInitialized() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ListDeserializer<Integer> initializedListDeserializer = new ListDeserializer<>(ArrayList.class,
|
||||||
|
Serdes.Integer().deserializer());
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> initializedListDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("List deserializer was already initialized using a non-default constructor", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueDeserializerShouldThrowConfigExceptionDueAlreadyInitialized() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS, ArrayList.class);
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ListDeserializer<Integer> initializedListDeserializer = new ListDeserializer<>(ArrayList.class,
|
||||||
|
Serdes.Integer().deserializer());
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> initializedListDeserializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("List deserializer was already initialized using a non-default constructor", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,153 @@
|
||||||
|
/*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.apache.kafka.common.serialization;
|
||||||
|
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertNotNull;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertThrows;
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||||
|
|
||||||
|
import org.apache.kafka.clients.CommonClientConfigs;
|
||||||
|
import org.apache.kafka.common.KafkaException;
|
||||||
|
import org.apache.kafka.common.config.ConfigException;
|
||||||
|
import org.junit.jupiter.api.Test;
|
||||||
|
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
|
||||||
|
public class ListSerializerTest {
|
||||||
|
private final ListSerializer<?> listSerializer = new ListSerializer<>();
|
||||||
|
private final Map<String, Object> props = new HashMap<>();
|
||||||
|
private final String nonExistingClass = "non.existing.class";
|
||||||
|
private static class FakeObject {
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeySerializerNoArgConstructorsWithClassName() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class.getName());
|
||||||
|
listSerializer.configure(props, true);
|
||||||
|
final Serializer<?> inner = listSerializer.getInnerSerializer();
|
||||||
|
assertNotNull(inner, "Inner serializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringSerializer, "Inner serializer type should be StringSerializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueSerializerNoArgConstructorsWithClassName() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class.getName());
|
||||||
|
listSerializer.configure(props, false);
|
||||||
|
final Serializer<?> inner = listSerializer.getInnerSerializer();
|
||||||
|
assertNotNull(inner, "Inner serializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringSerializer, "Inner serializer type should be StringSerializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeySerializerNoArgConstructorsWithClassObject() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
listSerializer.configure(props, true);
|
||||||
|
final Serializer<?> inner = listSerializer.getInnerSerializer();
|
||||||
|
assertNotNull(inner, "Inner serializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringSerializer, "Inner serializer type should be StringSerializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueSerializerNoArgConstructorsWithClassObject() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
listSerializer.configure(props, false);
|
||||||
|
final Serializer<?> inner = listSerializer.getInnerSerializer();
|
||||||
|
assertNotNull(inner, "Inner serializer should be not null");
|
||||||
|
assertTrue(inner instanceof StringSerializer, "Inner serializer type should be StringSerializer");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListSerializerNoArgConstructorsShouldThrowConfigExceptionDueMissingProp() {
|
||||||
|
ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listSerializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the serializer class because it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
|
||||||
|
exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> listSerializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Not able to determine the serializer class because it was neither passed via the constructor nor set in the config.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeySerializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, new FakeObject());
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listSerializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Could not create a serializer class instance using \"" + CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueSerializerNoArgConstructorsShouldThrowKafkaExceptionDueInvalidClass() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, new FakeObject());
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listSerializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Could not create a serializer class instance using \"" + CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS + "\" property.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeySerializerNoArgConstructorsShouldThrowKafkaExceptionDueClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, nonExistingClass);
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listSerializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value non.existing.class for configuration " + CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS + ": Serializer class " + nonExistingClass + " could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueSerializerNoArgConstructorsShouldThrowKafkaExceptionDueClassNotFound() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, nonExistingClass);
|
||||||
|
final KafkaException exception = assertThrows(
|
||||||
|
KafkaException.class,
|
||||||
|
() -> listSerializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("Invalid value non.existing.class for configuration " + CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS + ": Serializer class " + nonExistingClass + " could not be found.", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListKeySerializerShouldThrowConfigExceptionDueAlreadyInitialized() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ListSerializer<Integer> initializedListSerializer = new ListSerializer<>(Serdes.Integer().serializer());
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> initializedListSerializer.configure(props, true)
|
||||||
|
);
|
||||||
|
assertEquals("List serializer was already initialized using a non-default constructor", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListValueSerializerShouldThrowConfigExceptionDueAlreadyInitialized() {
|
||||||
|
props.put(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS, Serdes.StringSerde.class);
|
||||||
|
final ListSerializer<Integer> initializedListSerializer = new ListSerializer<>(Serdes.Integer().serializer());
|
||||||
|
final ConfigException exception = assertThrows(
|
||||||
|
ConfigException.class,
|
||||||
|
() -> initializedListSerializer.configure(props, false)
|
||||||
|
);
|
||||||
|
assertEquals("List serializer was already initialized using a non-default constructor", exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -27,7 +27,11 @@ import java.util.HashMap;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
import java.util.Map;
|
import java.util.Map;
|
||||||
import java.util.UUID;
|
import java.util.UUID;
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.LinkedList;
|
||||||
|
import java.util.Stack;
|
||||||
|
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||||
import static org.junit.jupiter.api.Assertions.assertNull;
|
import static org.junit.jupiter.api.Assertions.assertNull;
|
||||||
import static org.junit.jupiter.api.Assertions.assertThrows;
|
import static org.junit.jupiter.api.Assertions.assertThrows;
|
||||||
|
|
@ -106,6 +110,190 @@ public class SerializationTest {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldReturnEmptyCollection() {
|
||||||
|
List<Integer> testData = Arrays.asList();
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Integer());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get empty collection after serialization and deserialization on an empty list");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldReturnNull() {
|
||||||
|
List<Integer> testData = null;
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Integer());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get null after serialization and deserialization on an empty list");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripIntPrimitiveInput() {
|
||||||
|
List<Integer> testData = Arrays.asList(1, 2, 3);
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Integer());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of integer primitives after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForIntPrimitiveInput() {
|
||||||
|
List<Integer> testData = Arrays.asList(1, 2, 3);
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Integer());
|
||||||
|
assertEquals(21, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 21 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripShortPrimitiveInput() {
|
||||||
|
List<Short> testData = Arrays.asList((short) 1, (short) 2, (short) 3);
|
||||||
|
Serde<List<Short>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Short());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of short primitives after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForShortPrimitiveInput() {
|
||||||
|
List<Short> testData = Arrays.asList((short) 1, (short) 2, (short) 3);
|
||||||
|
Serde<List<Short>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Short());
|
||||||
|
assertEquals(15, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 15 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripFloatPrimitiveInput() {
|
||||||
|
List<Float> testData = Arrays.asList((float) 1, (float) 2, (float) 3);
|
||||||
|
Serde<List<Float>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Float());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of float primitives after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForFloatPrimitiveInput() {
|
||||||
|
List<Float> testData = Arrays.asList((float) 1, (float) 2, (float) 3);
|
||||||
|
Serde<List<Float>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Float());
|
||||||
|
assertEquals(21, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 21 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripLongPrimitiveInput() {
|
||||||
|
List<Long> testData = Arrays.asList((long) 1, (long) 2, (long) 3);
|
||||||
|
Serde<List<Long>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Long());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of long primitives after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForLongPrimitiveInput() {
|
||||||
|
List<Long> testData = Arrays.asList((long) 1, (long) 2, (long) 3);
|
||||||
|
Serde<List<Long>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Long());
|
||||||
|
assertEquals(33, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 33 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripDoublePrimitiveInput() {
|
||||||
|
List<Double> testData = Arrays.asList((double) 1, (double) 2, (double) 3);
|
||||||
|
Serde<List<Double>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Double());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of double primitives after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForDoublePrimitiveInput() {
|
||||||
|
List<Double> testData = Arrays.asList((double) 1, (double) 2, (double) 3);
|
||||||
|
Serde<List<Double>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Double());
|
||||||
|
assertEquals(33, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 33 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripUUIDInput() {
|
||||||
|
List<UUID> testData = Arrays.asList(UUID.randomUUID(), UUID.randomUUID(), UUID.randomUUID());
|
||||||
|
Serde<List<UUID>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.UUID());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of UUID after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeSerializerShouldReturnByteArrayOfFixedSizeForUUIDInput() {
|
||||||
|
List<UUID> testData = Arrays.asList(UUID.randomUUID(), UUID.randomUUID(), UUID.randomUUID());
|
||||||
|
Serde<List<UUID>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.UUID());
|
||||||
|
assertEquals(117, listSerde.serializer().serialize(topic, testData).length,
|
||||||
|
"Should get length of 117 bytes after serialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripNonPrimitiveInput() {
|
||||||
|
List<String> testData = Arrays.asList("A", "B", "C");
|
||||||
|
Serde<List<String>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.String());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of strings list after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripPrimitiveInputWithNullEntries() {
|
||||||
|
List<Integer> testData = Arrays.asList(1, null, 3);
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.Integer());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of integer primitives with null entries "
|
||||||
|
+ "after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldRoundtripNonPrimitiveInputWithNullEntries() {
|
||||||
|
List<String> testData = Arrays.asList("A", null, "C");
|
||||||
|
Serde<List<String>> listSerde = Serdes.ListSerde(ArrayList.class, Serdes.String());
|
||||||
|
assertEquals(testData,
|
||||||
|
listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData)),
|
||||||
|
"Should get the original collection of strings list with null entries "
|
||||||
|
+ "after serialization and deserialization");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldReturnLinkedList() {
|
||||||
|
List<Integer> testData = new LinkedList<>();
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(LinkedList.class, Serdes.Integer());
|
||||||
|
assertTrue(listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData))
|
||||||
|
instanceof LinkedList, "Should return List instance of type LinkedList");
|
||||||
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@Test
|
||||||
|
public void listSerdeShouldReturnStack() {
|
||||||
|
List<Integer> testData = new Stack<>();
|
||||||
|
Serde<List<Integer>> listSerde = Serdes.ListSerde(Stack.class, Serdes.Integer());
|
||||||
|
assertTrue(listSerde.deserializer().deserialize(topic, listSerde.serializer().serialize(topic, testData))
|
||||||
|
instanceof Stack, "Should return List instance of type Stack");
|
||||||
|
}
|
||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void floatDeserializerShouldThrowSerializationExceptionOnZeroBytes() {
|
public void floatDeserializerShouldThrowSerializationExceptionOnZeroBytes() {
|
||||||
try (Serde<Float> serde = Serdes.Float()) {
|
try (Serde<Float> serde = Serdes.Float()) {
|
||||||
|
|
|
||||||
|
|
@ -140,10 +140,12 @@
|
||||||
<tr class="row-even"><td>UUID</td>
|
<tr class="row-even"><td>UUID</td>
|
||||||
<td><code class="docutils literal"><span class="pre">Serdes.UUID()</span></code></td>
|
<td><code class="docutils literal"><span class="pre">Serdes.UUID()</span></code></td>
|
||||||
</tr>
|
</tr>
|
||||||
</tr>
|
|
||||||
<tr class="row-odd"><td>Void</td>
|
<tr class="row-odd"><td>Void</td>
|
||||||
<td><code class="docutils literal"><span class="pre">Serdes.Void()</span></code></td>
|
<td><code class="docutils literal"><span class="pre">Serdes.Void()</span></code></td>
|
||||||
</tr>
|
</tr>
|
||||||
|
<tr class="row-even"><td>List</td>
|
||||||
|
<td><code class="docutils literal"><span class="pre">Serdes.ListSerde()</span></code></td>
|
||||||
|
</tr>
|
||||||
</tbody>
|
</tbody>
|
||||||
</table>
|
</table>
|
||||||
<div class="admonition tip">
|
<div class="admonition tip">
|
||||||
|
|
|
||||||
|
|
@ -150,6 +150,11 @@
|
||||||
(meaning: use broker default replication factor).
|
(meaning: use broker default replication factor).
|
||||||
The <code>replication.factor</code> value of <code>-1</code> requires broker version 2.4 or newer.
|
The <code>replication.factor</code> value of <code>-1</code> requires broker version 2.4 or newer.
|
||||||
</p>
|
</p>
|
||||||
|
<p> The new serde type was introduced <code>ListSerde</code>: </p>
|
||||||
|
<ul>
|
||||||
|
<li> Added class <code>ListSerde</code> to (de)serialize <code>List</code>-based objects </li>
|
||||||
|
<li> Introduced <code>ListSerializer</code> and <code>ListDeserializer</code> to power the new functionality </li>
|
||||||
|
</ul>
|
||||||
|
|
||||||
<h3><a id="streams_api_changes_280" href="#streams_api_changes_280">Streams API changes in 2.8.0</a></h3>
|
<h3><a id="streams_api_changes_280" href="#streams_api_changes_280">Streams API changes in 2.8.0</a></h3>
|
||||||
<p>
|
<p>
|
||||||
|
|
|
||||||
|
|
@ -643,6 +643,26 @@ public class StreamsConfig extends AbstractConfig {
|
||||||
Serdes.ByteArraySerde.class.getName(),
|
Serdes.ByteArraySerde.class.getName(),
|
||||||
Importance.MEDIUM,
|
Importance.MEDIUM,
|
||||||
DEFAULT_KEY_SERDE_CLASS_DOC)
|
DEFAULT_KEY_SERDE_CLASS_DOC)
|
||||||
|
.define(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS,
|
||||||
|
Type.CLASS,
|
||||||
|
null,
|
||||||
|
Importance.MEDIUM,
|
||||||
|
CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_INNER_CLASS_DOC)
|
||||||
|
.define(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS,
|
||||||
|
Type.CLASS,
|
||||||
|
null,
|
||||||
|
Importance.MEDIUM,
|
||||||
|
CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_INNER_CLASS_DOC)
|
||||||
|
.define(CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS,
|
||||||
|
Type.CLASS,
|
||||||
|
null,
|
||||||
|
Importance.MEDIUM,
|
||||||
|
CommonClientConfigs.DEFAULT_LIST_KEY_SERDE_TYPE_CLASS_DOC)
|
||||||
|
.define(CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS,
|
||||||
|
Type.CLASS,
|
||||||
|
null,
|
||||||
|
Importance.MEDIUM,
|
||||||
|
CommonClientConfigs.DEFAULT_LIST_VALUE_SERDE_TYPE_CLASS_DOC)
|
||||||
.define(DEFAULT_PRODUCTION_EXCEPTION_HANDLER_CLASS_CONFIG,
|
.define(DEFAULT_PRODUCTION_EXCEPTION_HANDLER_CLASS_CONFIG,
|
||||||
Type.CLASS,
|
Type.CLASS,
|
||||||
DefaultProductionExceptionHandler.class.getName(),
|
DefaultProductionExceptionHandler.class.getName(),
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue