org.apache.hadoop.hdfs.server.common.sps.BlockMovementAttemptFinished Maven / Gradle / Ivy
/**
* 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.common.sps;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
/**
* This class represents status from a block movement task. This will have the
* information of the task which was successful or failed due to errors.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class BlockMovementAttemptFinished {
private final Block block;
private final DatanodeInfo src;
private final DatanodeInfo target;
private final StorageType targetType;
private final BlockMovementStatus status;
/**
* Construct movement attempt finished info.
*
* @param block
* block
* @param src
* src datanode
* @param target
* target datanode
* @param targetType
* target storage type
* @param status
* movement status
*/
public BlockMovementAttemptFinished(Block block, DatanodeInfo src,
DatanodeInfo target, StorageType targetType, BlockMovementStatus status) {
this.block = block;
this.src = src;
this.target = target;
this.targetType = targetType;
this.status = status;
}
/**
* @return details of the block, which attempted to move from src to target
* node.
*/
public Block getBlock() {
return block;
}
/**
* @return the target datanode where it moved the block.
*/
public DatanodeInfo getTargetDatanode() {
return target;
}
/**
* @return target storage type.
*/
public StorageType getTargetType() {
return targetType;
}
/**
* @return block movement status code.
*/
public BlockMovementStatus getStatus() {
return status;
}
@Override
public String toString() {
return new StringBuilder().append("Block movement attempt finished(\n ")
.append(" block : ").append(block).append(" src node: ").append(src)
.append(" target node: ").append(target).append(" target type: ")
.append(targetType).append(" movement status: ")
.append(status).append(")").toString();
}
}