kafka GroupRebalanceConfig 源码
kafka GroupRebalanceConfig 代码
文件路径:/clients/src/main/java/org/apache/kafka/clients/GroupRebalanceConfig.java
/*
* 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.clients;
import org.apache.kafka.common.config.AbstractConfig;
import org.apache.kafka.common.requests.JoinGroupRequest;
import java.util.Locale;
import java.util.Optional;
/**
* Class to extract group rebalance related configs.
*/
public class GroupRebalanceConfig {
public enum ProtocolType {
CONSUMER,
CONNECT;
@Override
public String toString() {
return super.toString().toLowerCase(Locale.ROOT);
}
}
public final int sessionTimeoutMs;
public final int rebalanceTimeoutMs;
public final int heartbeatIntervalMs;
public final String groupId;
public final Optional<String> groupInstanceId;
public final long retryBackoffMs;
public final boolean leaveGroupOnClose;
public GroupRebalanceConfig(AbstractConfig config, ProtocolType protocolType) {
this.sessionTimeoutMs = config.getInt(CommonClientConfigs.SESSION_TIMEOUT_MS_CONFIG);
// Consumer and Connect use different config names for defining rebalance timeout
if (protocolType == ProtocolType.CONSUMER) {
this.rebalanceTimeoutMs = config.getInt(CommonClientConfigs.MAX_POLL_INTERVAL_MS_CONFIG);
} else {
this.rebalanceTimeoutMs = config.getInt(CommonClientConfigs.REBALANCE_TIMEOUT_MS_CONFIG);
}
this.heartbeatIntervalMs = config.getInt(CommonClientConfigs.HEARTBEAT_INTERVAL_MS_CONFIG);
this.groupId = config.getString(CommonClientConfigs.GROUP_ID_CONFIG);
// Static membership is only introduced in consumer API.
if (protocolType == ProtocolType.CONSUMER) {
String groupInstanceId = config.getString(CommonClientConfigs.GROUP_INSTANCE_ID_CONFIG);
if (groupInstanceId != null) {
JoinGroupRequest.validateGroupInstanceId(groupInstanceId);
this.groupInstanceId = Optional.of(groupInstanceId);
} else {
this.groupInstanceId = Optional.empty();
}
} else {
this.groupInstanceId = Optional.empty();
}
this.retryBackoffMs = config.getLong(CommonClientConfigs.RETRY_BACKOFF_MS_CONFIG);
// Internal leave group config is only defined in Consumer.
if (protocolType == ProtocolType.CONSUMER) {
this.leaveGroupOnClose = config.getBoolean("internal.leave.group.on.close");
} else {
this.leaveGroupOnClose = true;
}
}
// For testing purpose.
public GroupRebalanceConfig(final int sessionTimeoutMs,
final int rebalanceTimeoutMs,
final int heartbeatIntervalMs,
String groupId,
Optional<String> groupInstanceId,
long retryBackoffMs,
boolean leaveGroupOnClose) {
this.sessionTimeoutMs = sessionTimeoutMs;
this.rebalanceTimeoutMs = rebalanceTimeoutMs;
this.heartbeatIntervalMs = heartbeatIntervalMs;
this.groupId = groupId;
this.groupInstanceId = groupInstanceId;
this.retryBackoffMs = retryBackoffMs;
this.leaveGroupOnClose = leaveGroupOnClose;
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦