| /* |
| * 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.spark.plan; |
| |
| import java.io.PrintStream; |
| import java.util.List; |
| |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PlanPrinter; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.util.PlanHelper; |
| import org.apache.pig.backend.hadoop.executionengine.spark.operator.NativeSparkOperator; |
| import org.apache.pig.backend.hadoop.executionengine.spark.operator.POGlobalRearrangeSpark; |
| import org.apache.pig.impl.plan.DepthFirstWalker; |
| import org.apache.pig.impl.plan.VisitorException; |
| |
| /** |
| * A visitor mechanism printing out the logical plan. |
| */ |
| public class SparkPrinter extends SparkOpPlanVisitor { |
| |
| private PrintStream mStream = null; |
| private boolean isVerbose = true; |
| |
| public SparkPrinter(PrintStream ps, SparkOperPlan plan) { |
| super(plan, new DepthFirstWalker<SparkOperator, SparkOperPlan>(plan)); |
| mStream = ps; |
| mStream.println("#--------------------------------------------------"); |
| mStream.println("# Spark Plan"); |
| mStream.println("#--------------------------------------------------"); |
| } |
| |
| public void setVerbose(boolean verbose) { |
| isVerbose = verbose; |
| } |
| |
| @Override |
| public void visitSparkOp(SparkOperator sparkOp) throws VisitorException { |
| mStream.println(""); |
| mStream.println("Spark node " + sparkOp.getOperatorKey().toString()); |
| if (sparkOp instanceof NativeSparkOperator) { |
| mStream.println(((NativeSparkOperator)sparkOp).getCommandString()); |
| mStream.println("--------"); |
| mStream.println(); |
| return; |
| } |
| if (sparkOp.physicalPlan != null && sparkOp.physicalPlan.size() > 0) { |
| PlanPrinter<PhysicalOperator, PhysicalPlan> printer = new PlanPrinter<PhysicalOperator, PhysicalPlan>( |
| sparkOp.physicalPlan, mStream); |
| printer.setVerbose(isVerbose); |
| printer.visit(); |
| mStream.println("--------"); |
| } |
| List<POGlobalRearrangeSpark> glrList = PlanHelper.getPhysicalOperators(sparkOp.physicalPlan, POGlobalRearrangeSpark.class); |
| for (POGlobalRearrangeSpark glr : glrList) { |
| if (glr.isUseSecondaryKey()) { |
| mStream.println("POGlobalRearrange(" + glr.getOperatorKey() + ") uses secondaryKey"); |
| } |
| } |
| } |
| } |