/**
* 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.tez.plan;
import java.io.PrintStream;
import org.apache.pig.backend.hadoop.executionengine.tez.plan.TezPrinter.TezGraphPrinter;
import org.apache.pig.impl.plan.DependencyOrderWalker;
import org.apache.pig.impl.plan.VisitorException;
public class TezPlanContainerPrinter extends TezPlanContainerVisitor {
private PrintStream mStream = null;
private boolean isVerbose = true;
/**
* @param ps PrintStream to output plan information to
* @param plan tez plan to print
*/
public TezPlanContainerPrinter(PrintStream ps, TezPlanContainer planContainer) {
super(planContainer, new DependencyOrderWalker<TezPlanContainerNode, TezPlanContainer>(planContainer));
mStream = ps;
mStream.println("#--------------------------------------------------");
mStream.println("# There are " + planContainer.size() + " DAGs in the session");
mStream.println("#--------------------------------------------------");
}
public void setVerbose(boolean verbose) {
isVerbose = verbose;
}
@Override
public void visitTezPlanContainerNode(TezPlanContainerNode tezPlanContainerNode) throws VisitorException {
mStream.println("#--------------------------------------------------");
mStream.println("# TEZ DAG plan: " + tezPlanContainerNode.getOperatorKey());
mStream.println("#--------------------------------------------------");
TezGraphPrinter graphPrinter = new TezGraphPrinter(tezPlanContainerNode.getTezOperPlan());
graphPrinter.visit();
mStream.print(graphPrinter.toString());
TezPrinter printer = new TezPrinter(mStream, tezPlanContainerNode.getTezOperPlan());
printer.setVerbose(isVerbose);
printer.visit();
}
}