/*
* 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 com.facebook.hiveio.output;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.HackJobContext;
import org.apache.hadoop.mapred.HackTaskAttemptContext;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.JobContext;
import org.apache.hadoop.mapred.TaskAttemptContext;
import org.apache.hadoop.mapred.TaskAttemptID;
import org.apache.hadoop.mapreduce.JobID;
import com.facebook.hiveio.common.HiveUtils;
/**
* Per-Thread context for thread-safety.
*/
class PerThread {
// CHECKSTYLE: stop VisibilityModifier
/** Configuration */
public final Configuration conf;
/** task id */
public final TaskAttemptID taskID;
// CHECKSTYLE: resume VisibilityModifier
/**
* Constructor
*
* @param conf Configuration
*/
public PerThread(Configuration conf) {
this.conf = HiveUtils.newHiveConf(conf, OutputCmd.class);
this.taskID = new TaskAttemptID("hiveio_output", 42, true,
(int) Thread.currentThread().getId(), 0);
}
/**
* Get task context
*
* @return task context
*/
public TaskAttemptContext taskContext() {
return new HackTaskAttemptContext(new JobConf(conf), taskID);
}
/**
* Get JobID
*
* @return JobID
*/
public JobID jobID() {
return taskID.getJobID();
}
/**
* Get JobConf
*
* @return JobConf
*/
public JobConf jobConf() {
return new JobConf(conf);
}
/**
* Get JobContext
*
* @return JobContext
*/
public JobContext jobContext() {
return new HackJobContext(jobConf(), jobID());
}
}