hadoop QueueAclsInfo 源码
haddop QueueAclsInfo 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/QueueAclsInfo.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.mapreduce;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableUtils;
import org.apache.hadoop.util.StringInterner;
/**
* Class to encapsulate Queue ACLs for a particular
* user.
*
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class QueueAclsInfo implements Writable {
private String queueName;
private String[] operations;
/**
* Default constructor for QueueAclsInfo.
*
*/
public QueueAclsInfo() {
}
/**
* Construct a new QueueAclsInfo object using the queue name and the
* queue operations array
*
* @param queueName Name of the job queue
* @param operations
*/
public QueueAclsInfo(String queueName, String[] operations) {
this.queueName = queueName;
this.operations = operations;
}
/**
* Get queue name.
*
* @return name
*/
public String getQueueName() {
return queueName;
}
protected void setQueueName(String queueName) {
this.queueName = queueName;
}
/**
* Get opearations allowed on queue.
*
* @return array of String
*/
public String[] getOperations() {
return operations;
}
@Override
public void readFields(DataInput in) throws IOException {
queueName = StringInterner.weakIntern(Text.readString(in));
operations = WritableUtils.readStringArray(in);
}
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, queueName);
WritableUtils.writeStringArray(out, operations);
}
}
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