/**
* 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.requests;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ProtoUtils;
import org.apache.kafka.common.protocol.types.Schema;
import org.apache.kafka.common.protocol.types.Struct;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
public class JoinGroupRequest extends AbstractRequestResponse {
public static Schema curSchema = ProtoUtils.currentRequestSchema(ApiKeys.JOIN_GROUP.id);
private static String GROUP_ID_KEY_NAME = "group_id";
private static String SESSION_TIMEOUT_KEY_NAME = "session_timeout";
private static String TOPICS_KEY_NAME = "topics";
private static String CONSUMER_ID_KEY_NAME = "consumer_id";
private static String STRATEGY_KEY_NAME = "partition_assignment_strategy";
private final String groupId;
private final int sessionTimeout;
private final List<String> topics;
private final String consumerId;
private final String strategy;
public JoinGroupRequest(String groupId, int sessionTimeout, List<String> topics, String consumerId, String strategy) {
super(new Struct(curSchema));
struct.set(GROUP_ID_KEY_NAME, groupId);
struct.set(SESSION_TIMEOUT_KEY_NAME, sessionTimeout);
struct.set(TOPICS_KEY_NAME, topics.toArray());
struct.set(CONSUMER_ID_KEY_NAME, consumerId);
struct.set(STRATEGY_KEY_NAME, strategy);
this.groupId = groupId;
this.sessionTimeout = sessionTimeout;
this.topics = topics;
this.consumerId = consumerId;
this.strategy = strategy;
}
public JoinGroupRequest(Struct struct) {
super(struct);
groupId = struct.getString(GROUP_ID_KEY_NAME);
sessionTimeout = struct.getInt(SESSION_TIMEOUT_KEY_NAME);
Object[] topicsArray = struct.getArray(TOPICS_KEY_NAME);
topics = new ArrayList<String>();
for (Object topic: topicsArray)
topics.add((String) topic);
consumerId = struct.getString(CONSUMER_ID_KEY_NAME);
strategy = struct.getString(STRATEGY_KEY_NAME);
}
public String groupId() {
return groupId;
}
public int sessionTimeout() {
return sessionTimeout;
}
public List<String> topics() {
return topics;
}
public String consumerId() {
return consumerId;
}
public String strategy() {
return strategy;
}
public static JoinGroupRequest parse(ByteBuffer buffer) {
return new JoinGroupRequest(((Struct) curSchema.read(buffer)));
}
}