/*
* 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.compiler;
import static org.junit.Assert.*;
import org.apache.flink.api.common.Plan;
import org.junit.Test;
import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;
import org.apache.flink.compiler.dag.TempMode;
import org.apache.flink.compiler.plan.OptimizedPlan;
import org.apache.flink.compiler.plan.SingleInputPlanNode;
import org.apache.flink.compiler.plan.SinkPlanNode;
import org.apache.flink.compiler.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").print();
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());
}
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").print();
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
SinkPlanNode sink = op.getDataSinks().iterator().next();
SingleInputPlanNode mapper = (SingleInputPlanNode) sink.getInput().getSource();
assertEquals(TempMode.PIPELINE_BREAKER, mapper.getInput().getTempMode());
}
catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}
}
}