| /* |
| * 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.flink.optimizer; |
| |
| import static org.junit.Assert.*; |
| |
| import org.apache.flink.api.common.Plan; |
| import org.apache.flink.api.java.io.DiscardingOutputFormat; |
| import org.apache.flink.optimizer.util.CompilerTestBase; |
| import org.apache.flink.runtime.io.network.DataExchangeMode; |
| import org.junit.Test; |
| import org.apache.flink.api.java.DataSet; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.optimizer.dag.TempMode; |
| import org.apache.flink.optimizer.plan.OptimizedPlan; |
| import org.apache.flink.optimizer.plan.SingleInputPlanNode; |
| import org.apache.flink.optimizer.plan.SinkPlanNode; |
| import org.apache.flink.optimizer.testfunctions.IdentityMapper; |
| |
| @SuppressWarnings("serial") |
| public class BroadcastVariablePipelinebreakerTest extends CompilerTestBase { |
| |
| @Test |
| public void testNoBreakerForIndependentVariable() { |
| try { |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<String> source1 = env.fromElements("test"); |
| DataSet<String> source2 = env.fromElements("test"); |
| |
| source1.map(new IdentityMapper<String>()).withBroadcastSet(source2, "some name") |
| .output(new DiscardingOutputFormat<String>()); |
| |
| Plan p = env.createProgramPlan(); |
| OptimizedPlan op = compileNoStats(p); |
| |
| SinkPlanNode sink = op.getDataSinks().iterator().next(); |
| SingleInputPlanNode mapper = (SingleInputPlanNode) sink.getInput().getSource(); |
| |
| assertEquals(TempMode.NONE, mapper.getInput().getTempMode()); |
| assertEquals(TempMode.NONE, mapper.getBroadcastInputs().get(0).getTempMode()); |
| |
| assertEquals(DataExchangeMode.PIPELINED, mapper.getInput().getDataExchangeMode()); |
| assertEquals(DataExchangeMode.PIPELINED, mapper.getBroadcastInputs().get(0).getDataExchangeMode()); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testBreakerForDependentVariable() { |
| try { |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<String> source1 = env.fromElements("test"); |
| |
| source1.map(new IdentityMapper<String>()).map(new IdentityMapper<String>()).withBroadcastSet(source1, "some name") |
| .output(new DiscardingOutputFormat<String>()); |
| |
| Plan p = env.createProgramPlan(); |
| OptimizedPlan op = compileNoStats(p); |
| |
| SinkPlanNode sink = op.getDataSinks().iterator().next(); |
| SingleInputPlanNode mapper = (SingleInputPlanNode) sink.getInput().getSource(); |
| SingleInputPlanNode beforeMapper = (SingleInputPlanNode) mapper.getInput().getSource(); |
| |
| assertEquals(TempMode.NONE, mapper.getInput().getTempMode()); |
| assertEquals(TempMode.NONE, beforeMapper.getInput().getTempMode()); |
| assertEquals(TempMode.NONE, mapper.getBroadcastInputs().get(0).getTempMode()); |
| |
| assertEquals(DataExchangeMode.PIPELINED, mapper.getInput().getDataExchangeMode()); |
| assertEquals(DataExchangeMode.BATCH, beforeMapper.getInput().getDataExchangeMode()); |
| assertEquals(DataExchangeMode.BATCH, mapper.getBroadcastInputs().get(0).getDataExchangeMode()); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| } |