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Rename method count() -> countGroups() 

Fixes gh-923
This commit is contained in:
Dave Syer 2014-05-21 17:39:55 +01:00
parent 733e12e215
commit 94e891e924
7 changed files with 168 additions and 5 deletions
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5
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/repository/InMemoryMetricRepository.java
View File

@ -88,6 +88,11 @@ public class InMemoryMetricRepository implements MetricRepository, MultiMetricRe
return this.metrics.count();
}
@Override
public long countGroups() {
return this.groups.size();
}
@Override
public void reset(String metricName) {
this.metrics.remove(metricName);

2
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/repository/MultiMetricRepository.java
View File

@ -52,6 +52,6 @@ public interface MultiMetricRepository extends PrefixMetricReader {
/**
* @return the number of groups available
*/
long count();
long countGroups();
}

2
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/repository/redis/RedisMultiMetricRepository.java
View File

@ -108,7 +108,7 @@ public class RedisMultiMetricRepository implements MultiMetricRepository {
}
@Override
public long count() {
public long countGroups() {
return this.zSetOperations.size();
}

96
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/rich/MultiMetricRichGaugeReader.java Normal file
View File

@ -0,0 +1,96 @@
/*
* Copyright 2014-2015 the original author or authors.
*
* Licensed 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.springframework.boot.actuate.metrics.rich;
import java.util.ArrayList;
import java.util.List;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.repository.MultiMetricRepository;
/**
* A {@link RichGaugeReader} that works by reading metric values from a
* {@link MultiMetricRepository} where the group name is the RichGauge name. The format
* used matches that in he RichGaugeExporter, so this reader can be used on a store that
* has been populated using that exporter.
*
* @author Dave Syer
*
* @since 1.1.0
*/
public class MultiMetricRichGaugeReader implements RichGaugeReader {
private static final String COUNT = ".count";
private static final String MAX = ".max";
private static final String MIN = ".min";
private static final String AVG = ".avg";
private static final String ALPHA = ".alpha";
private static final String VAL = ".val";
private final MultiMetricRepository repository;
public MultiMetricRichGaugeReader(MultiMetricRepository repository) {
this.repository = repository;
}
@Override
public RichGauge findOne(String name) {
Iterable<Metric<?>> metrics = this.repository.findAll(name);
double value = 0;
double average = 0.;
double alpha = -1.;
double min = 0.;
double max = 0.;
long count = 0;
for (Metric<?> metric : metrics) {
if (metric.getName().endsWith(VAL)) {
value = metric.getValue().doubleValue();
}
else if (metric.getName().endsWith(ALPHA)) {
alpha = metric.getValue().doubleValue();
}
else if (metric.getName().endsWith(AVG)) {
average = metric.getValue().doubleValue();
}
else if (metric.getName().endsWith(MIN)) {
min = metric.getValue().doubleValue();
}
else if (metric.getName().endsWith(MAX)) {
max = metric.getValue().doubleValue();
}
else if (metric.getName().endsWith(COUNT)) {
count = metric.getValue().longValue();
}
}
return new RichGauge(name, value, alpha, average, max, min, count);
}
@Override
public Iterable<RichGauge> findAll() {
List<RichGauge> result = new ArrayList<RichGauge>();
for (String name : this.repository.groups()) {
result.add(findOne(name));
}
return result;
}
@Override
public long count() {
return this.repository.countGroups();
}
}

2
spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/repository/redis/RedisMultiMetricRepositoryTests.java
View File

@ -78,7 +78,7 @@ public class RedisMultiMetricRepositoryTests {
"foo.val", 12.3), new Metric<Number>("foo.bar", 11.3)));
this.repository.save("bar", Arrays.<Metric<?>> asList(new Metric<Number>(
"bar.val", 12.3), new Metric<Number>("bar.foo", 11.3)));
assertEquals(2, this.repository.count());
assertEquals(2, this.repository.countGroups());
}
}

62
spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/rich/MultiMetricRichGaugeReaderTests.java Normal file
View File

@ -0,0 +1,62 @@
/*
* Copyright 2012-2013 the original author or authors.
*
* Licensed 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.springframework.boot.actuate.metrics.rich;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.export.RichGaugeExporter;
import org.springframework.boot.actuate.metrics.repository.InMemoryMetricRepository;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* @author Dave Syer
*/
public class MultiMetricRichGaugeReaderTests {
private InMemoryMetricRepository repository = new InMemoryMetricRepository();
private MultiMetricRichGaugeReader reader = new MultiMetricRichGaugeReader(
this.repository);
private InMemoryRichGaugeRepository data = new InMemoryRichGaugeRepository();
private RichGaugeExporter exporter = new RichGaugeExporter(this.data, this.repository);
@Test
public void countOne() {
this.data.set(new Metric<Integer>("foo", 1));
this.data.set(new Metric<Integer>("foo", 1));
this.exporter.export();
// Check the exporter worked
assertEquals(6, this.repository.count());
assertEquals(1, this.reader.count());
RichGauge one = this.reader.findOne("foo");
assertNotNull(one);
assertEquals(2, one.getCount());
}
@Test
public void countTwo() {
this.data.set(new Metric<Integer>("foo", 1));
this.data.set(new Metric<Integer>("bar", 1));
this.exporter.export();
assertEquals(2, this.reader.count());
RichGauge one = this.reader.findOne("foo");
assertNotNull(one);
assertEquals(1, one.getCount());
}
}

4
spring-boot/src/main/java/org/springframework/boot/SpringApplication.java
View File

@ -1014,9 +1014,9 @@ public class SpringApplication {
}
}
private static <E> Set<E> asUnmodifiableOrderedSet(Collection<E> elemements) {
private static <E> Set<E> asUnmodifiableOrderedSet(Collection<E> elements) {
List<E> list = new ArrayList<E>();
list.addAll(elemements);
list.addAll(elements);
Collections.sort(list, AnnotationAwareOrderComparator.INSTANCE);
return new LinkedHashSet<E>(list);
}