/***********************************************************************************************************************
*
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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 eu.stratosphere.client.program;
import java.io.File;
import java.util.List;
import eu.stratosphere.api.common.JobExecutionResult;
import eu.stratosphere.api.common.Plan;
import eu.stratosphere.api.java.ExecutionEnvironment;
import eu.stratosphere.compiler.plan.OptimizedPlan;
import eu.stratosphere.compiler.plandump.PlanJSONDumpGenerator;
/**
*
*/
public class ContextEnvironment extends ExecutionEnvironment {
private final Client client;
private final List<File> jarFilesToAttach;
private final ClassLoader userCodeClassLoader;
public ContextEnvironment(Client remoteConnection, List<File> jarFiles, ClassLoader userCodeClassLoader) {
this.client = remoteConnection;
this.jarFilesToAttach = jarFiles;
this.userCodeClassLoader = userCodeClassLoader;
}
@Override
public JobExecutionResult execute(String jobName) throws Exception {
Plan p = createProgramPlan(jobName);
JobWithJars toRun = new JobWithJars(p, this.jarFilesToAttach, this.userCodeClassLoader);
return this.client.run(toRun, getDegreeOfParallelism(), true);
}
@Override
public String getExecutionPlan() throws Exception {
Plan p = createProgramPlan("unnamed job");
OptimizedPlan op = this.client.getOptimizedPlan(p, getDegreeOfParallelism());
PlanJSONDumpGenerator gen = new PlanJSONDumpGenerator();
return gen.getOptimizerPlanAsJSON(op);
}
@Override
public String toString() {
return "Context Environment (DOP = " + (getDegreeOfParallelism() == -1 ? "default" : getDegreeOfParallelism())
+ ") : " + getIdString();
}
public void setAsContext() {
initializeContextEnvironment(this);
}
public static void disableLocalExecution() {
ExecutionEnvironment.disableLocalExecution();
}
}