hadoop TaskContext 源码
haddop TaskContext 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/java/org/apache/hadoop/mapred/nativetask/TaskContext.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.mapred.nativetask;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.Task.TaskReporter;
import org.apache.hadoop.mapred.TaskAttemptID;
@InterfaceAudience.Private
public class TaskContext {
private final JobConf conf;
private Class<?> iKClass;
private Class<?> iVClass;
private Class<?> oKClass;
private Class<?> oVClass;
private final TaskReporter reporter;
private final TaskAttemptID taskAttemptID;
public TaskContext(JobConf conf, Class<?> iKClass, Class<?> iVClass,
Class<?> oKClass, Class<?> oVClass, TaskReporter reporter,
TaskAttemptID id) {
this.conf = conf;
this.iKClass = iKClass;
this.iVClass = iVClass;
this.oKClass = oKClass;
this.oVClass = oVClass;
this.reporter = reporter;
this.taskAttemptID = id;
}
public Class<?> getInputKeyClass() {
return iKClass;
}
public void setInputKeyClass(Class<?> klass) {
this.iKClass = klass;
}
public Class<?> getInputValueClass() {
return iVClass;
}
public void setInputValueClass(Class<?> klass) {
this.iVClass = klass;
}
public Class<?> getOutputKeyClass() {
return this.oKClass;
}
public void setOutputKeyClass(Class<?> klass) {
this.oKClass = klass;
}
public Class<?> getOutputValueClass() {
return this.oVClass;
}
public void setOutputValueClass(Class<?> klass) {
this.oVClass = klass;
}
public TaskReporter getTaskReporter() {
return this.reporter;
}
public TaskAttemptID getTaskAttemptId() {
return this.taskAttemptID;
}
public JobConf getConf() {
return this.conf;
}
public TaskContext copyOf() {
return new TaskContext(conf, iKClass, iVClass, oKClass, oVClass, reporter, taskAttemptID);
}
}
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