hadoop HeartbeatResponse 源码
haddop HeartbeatResponse 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/HeartbeatResponse.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.hadoop.hdfs.server.protocol;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.protocol.RollingUpgradeStatus;
@InterfaceAudience.Private
@InterfaceStability.Evolving
/**
* Response to {@link DatanodeProtocol#sendHeartbeat}
*/
public class HeartbeatResponse {
/** Commands returned from the namenode to the datanode */
private final DatanodeCommand[] commands;
/** Information about the current HA-related state of the NN */
private final NNHAStatusHeartbeat haStatus;
private final RollingUpgradeStatus rollingUpdateStatus;
private final long fullBlockReportLeaseId;
private final boolean isSlownode;
public HeartbeatResponse(DatanodeCommand[] cmds,
NNHAStatusHeartbeat haStatus, RollingUpgradeStatus rollingUpdateStatus,
long fullBlockReportLeaseId) {
this(cmds, haStatus, rollingUpdateStatus, fullBlockReportLeaseId, false);
}
public HeartbeatResponse(DatanodeCommand[] cmds,
NNHAStatusHeartbeat haStatus, RollingUpgradeStatus rollingUpdateStatus,
long fullBlockReportLeaseId, boolean isSlownode) {
commands = cmds;
this.haStatus = haStatus;
this.rollingUpdateStatus = rollingUpdateStatus;
this.fullBlockReportLeaseId = fullBlockReportLeaseId;
this.isSlownode = isSlownode;
}
public DatanodeCommand[] getCommands() {
return commands;
}
public NNHAStatusHeartbeat getNameNodeHaState() {
return haStatus;
}
public RollingUpgradeStatus getRollingUpdateStatus() {
return rollingUpdateStatus;
}
public long getFullBlockReportLeaseId() {
return fullBlockReportLeaseId;
}
public boolean getIsSlownode() {
return isSlownode;
}
}
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