/*
* 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.pig.backend.hadoop.executionengine.mapReduceLayer;
import java.util.UUID;
import org.apache.pig.backend.hadoop.executionengine.HExecutionEngine;
import org.apache.pig.impl.PigContext;
import org.apache.pig.tools.pigstats.PigStats;
import org.apache.pig.tools.pigstats.ScriptState;
import org.apache.pig.tools.pigstats.mapreduce.MRScriptState;
import org.apache.pig.tools.pigstats.mapreduce.SimplePigStats;
public class MRExecutionEngine extends HExecutionEngine {
public MRExecutionEngine(PigContext pigContext) {
super(pigContext);
this.launcher = new MapReduceLauncher();
}
@Override
public ScriptState instantiateScriptState() {
MRScriptState ss = new MRScriptState(UUID.randomUUID().toString());
ss.setPigContext(pigContext);
return ss;
}
@Override
public PigStats instantiatePigStats() {
return new SimplePigStats();
}
}