| /** |
| * 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 java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.DistinctCombiner; |
| 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.tez.plan.TezOperator.VertexGroupInfo; |
| import org.apache.pig.impl.plan.DependencyOrderWalker; |
| import org.apache.pig.impl.plan.OperatorKey; |
| import org.apache.pig.impl.plan.VisitorException; |
| |
| /** |
| * A visitor to print out the Tez plan. |
| */ |
| public class TezPrinter extends TezOpPlanVisitor { |
| |
| private PrintStream mStream = null; |
| private boolean isVerbose = true; |
| |
| /** |
| * @param ps PrintStream to output plan information to |
| * @param plan tez plan to print |
| */ |
| public TezPrinter(PrintStream ps, TezOperPlan plan) { |
| super(plan, new DependencyOrderWalker<TezOperator, TezOperPlan>(plan, true)); |
| mStream = ps; |
| } |
| |
| public void setVerbose(boolean verbose) { |
| isVerbose = verbose; |
| } |
| |
| @Override |
| public void visitTezOp(TezOperator tezOper) throws VisitorException { |
| if (tezOper.isVertexGroup()) { |
| VertexGroupInfo info = tezOper.getVertexGroupInfo(); |
| mStream.print("Tez vertex group " |
| + tezOper.getOperatorKey().toString()); |
| if (info!=null) { |
| mStream.println("\t<-\t " + info.getInputs() + "\t->\t " + info.getOutput()); |
| } else { |
| mStream.println(); |
| } |
| mStream.println("# No plan on vertex group"); |
| } else { |
| mStream.println("Tez vertex " + tezOper.getOperatorKey().toString()); |
| } |
| if (tezOper.inEdges.size() > 0) { |
| List<OperatorKey> inEdges = new ArrayList<OperatorKey>(tezOper.inEdges.keySet()); |
| Collections.sort(inEdges); |
| for (OperatorKey inEdge : inEdges) { |
| //TODO: Print other edge properties like custom partitioner |
| TezEdgeDescriptor edgeDesc = tezOper.inEdges.get(inEdge); |
| if (!edgeDesc.combinePlan.isEmpty()) { |
| mStream.println("# Combine plan on edge <" + inEdge + ">"); |
| PlanPrinter<PhysicalOperator, PhysicalPlan> printer = |
| new PlanPrinter<PhysicalOperator, PhysicalPlan>( |
| edgeDesc.combinePlan, mStream); |
| printer.setVerbose(isVerbose); |
| printer.visit(); |
| mStream.println(); |
| } else if (edgeDesc.needsDistinctCombiner()) { |
| mStream.println("# Combine plan on edge <" + inEdge + ">"); |
| mStream.println(DistinctCombiner.Combine.class.getName()); |
| } |
| } |
| } |
| if (tezOper.plan != null && tezOper.plan.size() > 0) { |
| mStream.println("# Plan on vertex"); |
| PlanPrinter<PhysicalOperator, PhysicalPlan> printer = |
| new PlanPrinter<PhysicalOperator, PhysicalPlan>(tezOper.plan, mStream); |
| printer.setVerbose(isVerbose); |
| printer.visit(); |
| mStream.println(); |
| } else if (!tezOper.isVertexGroup()) { |
| // For things like NativeTezOper |
| mStream.println("" + tezOper); |
| } |
| } |
| |
| /** |
| * This class prints the Tez Vertex Graph |
| */ |
| public static class TezVertexGraphPrinter extends TezOpPlanVisitor { |
| |
| StringBuilder buf; |
| |
| public TezVertexGraphPrinter(TezOperPlan plan) { |
| super(plan, new DependencyOrderWalker<TezOperator, TezOperPlan>(plan, true)); |
| buf = new StringBuilder(); |
| } |
| |
| @Override |
| public void visitTezOp(TezOperator tezOper) throws VisitorException { |
| writePlan(mPlan, tezOper, buf); |
| } |
| |
| public static void writePlan(TezOperPlan plan, TezOperator tezOper, StringBuilder buf) { |
| if (tezOper.isVertexGroup()) { |
| buf.append("Tez vertex group " + tezOper.getOperatorKey().toString()); |
| } else { |
| buf.append("Tez vertex " + tezOper.getOperatorKey().toString()); |
| } |
| List<TezOperator> succs = plan.getSuccessors(tezOper); |
| if (succs != null) { |
| Collections.sort(succs); |
| buf.append("\t->\t"); |
| for (TezOperator op : succs) { |
| if (op.isVertexGroup()) { |
| buf.append("Tez vertex group " + op.getOperatorKey().toString()).append(","); |
| } else { |
| buf.append("Tez vertex " + op.getOperatorKey().toString()).append(","); |
| } |
| } |
| } |
| buf.append("\n"); |
| } |
| |
| @Override |
| public String toString() { |
| buf.append("\n"); |
| return buf.toString(); |
| } |
| } |
| |
| /** |
| * This class prints the Tez DAG Graph |
| */ |
| public static class TezDAGGraphPrinter extends TezPlanContainerVisitor { |
| |
| StringBuilder buf; |
| |
| public TezDAGGraphPrinter(TezPlanContainer plan) { |
| super(plan, new DependencyOrderWalker<TezPlanContainerNode, TezPlanContainer>(plan, true)); |
| buf = new StringBuilder(); |
| } |
| |
| @Override |
| public void visitTezPlanContainerNode(TezPlanContainerNode tezPlanContainerNode) throws VisitorException { |
| writePlan(mPlan, tezPlanContainerNode, buf); |
| } |
| |
| public static void writePlan(TezPlanContainer mPlan, TezPlanContainerNode tezPlanContainerNode, StringBuilder buf) { |
| buf.append("Tez DAG " + tezPlanContainerNode.getOperatorKey().toString()); |
| List<TezPlanContainerNode> succs = mPlan.getSuccessors(tezPlanContainerNode); |
| if (succs != null) { |
| Collections.sort(succs); |
| buf.append("\t->\t"); |
| for (TezPlanContainerNode op : succs) { |
| buf.append("Tez DAG " + op.getOperatorKey().toString()).append(","); |
| } |
| } |
| buf.append("\n"); |
| } |
| |
| @Override |
| public String toString() { |
| buf.append("\n"); |
| return buf.toString(); |
| } |
| } |
| } |