KAFKA-18880 Remove kafka.cluster.Broker and BrokerEndPointNotAvailableException (#19047)

Remove kafka.cluster.Broker and BrokerEndPointNotAvailableException as they were used by zk path.

Reviewers: TengYao Chi <kitingiao@gmail.com>, Ken Huang <s7133700@gmail.com>, Chia-Ping Tsai <chia7712@gmail.com>

core/src/main/scala/kafka/cluster/Broker.scala

@@ -1,88 +0,0 @@
-/**
- * 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 kafka.cluster
-
-import kafka.common.BrokerEndPointNotAvailableException
-import org.apache.kafka.common.feature.{Features, SupportedVersionRange}
-import org.apache.kafka.common.feature.Features._
-import org.apache.kafka.common.Node
-import org.apache.kafka.common.network.ListenerName
-import org.apache.kafka.common.security.auth.SecurityProtocol
-import org.apache.kafka.server.network.BrokerEndPoint
-import org.apache.kafka.network.EndPoint
-
-import scala.collection.Seq
-
-object Broker {
-
-  def apply(id: Int, endPoints: Seq[EndPoint], rack: Option[String]): Broker = {
-    new Broker(id, endPoints, rack, emptySupportedFeatures)
-  }
-
-  def apply(id: Int, endPoint: EndPoint, rack: Option[String]): Broker = {
-    new Broker(id, Seq(endPoint), rack, emptySupportedFeatures)
-  }
-}
-
-/**
- * A Kafka broker.
- *
- * @param id          a broker id
- * @param endPoints   a collection of EndPoint. Each end-point is (host, port, listener name, security protocol).
- * @param rack        an optional rack
- * @param features    supported features
- */
-case class Broker(id: Int, endPoints: Seq[EndPoint], rack: Option[String], features: Features[SupportedVersionRange]) {
-
-  private val endPointsMap = endPoints.map { endPoint =>
-    endPoint.listenerName -> endPoint
-  }.toMap
-
-  if (endPointsMap.size != endPoints.size)
-    throw new IllegalArgumentException(s"There is more than one end point with the same listener name: ${endPoints.mkString(",")}")
-
-  override def toString: String =
-    s"$id : ${endPointsMap.values.mkString("(",",",")")} : ${rack.orNull} : $features"
-
-  def this(id: Int, host: String, port: Int, listenerName: ListenerName, protocol: SecurityProtocol) = {
-    this(id, Seq(new EndPoint(host, port, listenerName, protocol)), None, emptySupportedFeatures)
-  }
-
-  def this(bep: BrokerEndPoint, listenerName: ListenerName, protocol: SecurityProtocol) = {
-    this(bep.id, bep.host, bep.port, listenerName, protocol)
-  }
-
-  def node(listenerName: ListenerName): Node =
-    getNode(listenerName).getOrElse {
-      throw new BrokerEndPointNotAvailableException(s"End point with listener name ${listenerName.value} not found " +
-        s"for broker $id")
-    }
-
-  def getNode(listenerName: ListenerName): Option[Node] =
-    endPointsMap.get(listenerName).map(endpoint => new Node(id, endpoint.host, endpoint.port, rack.orNull))
-
-  def brokerEndPoint(listenerName: ListenerName): BrokerEndPoint = {
-    val endpoint = endPoint(listenerName)
-    new BrokerEndPoint(id, endpoint.host, endpoint.port)
-  }
-
-  def endPoint(listenerName: ListenerName): EndPoint = {
-    endPointsMap.getOrElse(listenerName,
-      throw new BrokerEndPointNotAvailableException(s"End point with listener name ${listenerName.value} not found for broker $id"))
-  }
-}

core/src/main/scala/kafka/common/BrokerEndPointNotAvailableException.scala

@@ -1,22 +0,0 @@
-/*
- * 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 kafka.common
-
-class BrokerEndPointNotAvailableException(message: String) extends RuntimeException(message) {
-  def this() = this(null)
-}