| /* |
| * 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.test.operators; |
| |
| import org.apache.flink.api.common.functions.FilterFunction; |
| import org.apache.flink.api.common.functions.MapFunction; |
| import org.apache.flink.api.common.io.ReplicatingInputFormat; |
| import org.apache.flink.api.common.typeinfo.BasicTypeInfo; |
| import org.apache.flink.api.java.DataSet; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.api.java.io.ParallelIteratorInputFormat; |
| import org.apache.flink.api.java.tuple.Tuple; |
| import org.apache.flink.api.java.tuple.Tuple1; |
| import org.apache.flink.api.java.tuple.Tuple2; |
| import org.apache.flink.core.io.GenericInputSplit; |
| import org.apache.flink.test.util.MultipleProgramsTestBase; |
| import org.apache.flink.util.NumberSequenceIterator; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.List; |
| |
| /** Tests for replicating DataSources. */ |
| @RunWith(Parameterized.class) |
| public class ReplicatingDataSourceITCase extends MultipleProgramsTestBase { |
| |
| public ReplicatingDataSourceITCase(TestExecutionMode mode) { |
| super(mode); |
| } |
| |
| @Test |
| public void testReplicatedSourceToJoin() throws Exception { |
| /* |
| * Test replicated source going into join |
| */ |
| |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple1<Long>> source1 = |
| env.createInput( |
| new ReplicatingInputFormat<Long, GenericInputSplit>( |
| new ParallelIteratorInputFormat<Long>( |
| new NumberSequenceIterator(0L, 1000L))), |
| BasicTypeInfo.LONG_TYPE_INFO) |
| .map(new ToTuple()); |
| DataSet<Tuple1<Long>> source2 = env.generateSequence(0L, 1000L).map(new ToTuple()); |
| |
| DataSet<Tuple> pairs = source1.join(source2).where(0).equalTo(0).projectFirst(0).sum(0); |
| |
| List<Tuple> result = pairs.collect(); |
| |
| String expectedResult = "(500500)"; |
| |
| compareResultAsText(result, expectedResult); |
| } |
| |
| @Test |
| public void testReplicatedSourceToCross() throws Exception { |
| /* |
| * Test replicated source going into cross |
| */ |
| |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple1<Long>> source1 = |
| env.createInput( |
| new ReplicatingInputFormat<Long, GenericInputSplit>( |
| new ParallelIteratorInputFormat<Long>( |
| new NumberSequenceIterator(0L, 1000L))), |
| BasicTypeInfo.LONG_TYPE_INFO) |
| .map(new ToTuple()); |
| DataSet<Tuple1<Long>> source2 = env.generateSequence(0L, 1000L).map(new ToTuple()); |
| |
| DataSet<Tuple1<Long>> pairs = |
| source1.cross(source2) |
| .filter( |
| new FilterFunction<Tuple2<Tuple1<Long>, Tuple1<Long>>>() { |
| @Override |
| public boolean filter(Tuple2<Tuple1<Long>, Tuple1<Long>> value) |
| throws Exception { |
| return value.f0.f0.equals(value.f1.f0); |
| } |
| }) |
| .map( |
| new MapFunction< |
| Tuple2<Tuple1<Long>, Tuple1<Long>>, Tuple1<Long>>() { |
| @Override |
| public Tuple1<Long> map( |
| Tuple2<Tuple1<Long>, Tuple1<Long>> value) |
| throws Exception { |
| return value.f0; |
| } |
| }) |
| .sum(0); |
| |
| List<Tuple1<Long>> result = pairs.collect(); |
| |
| String expectedResult = "(500500)"; |
| |
| compareResultAsText(result, expectedResult); |
| } |
| |
| private static class ToTuple implements MapFunction<Long, Tuple1<Long>> { |
| |
| @Override |
| public Tuple1<Long> map(Long value) throws Exception { |
| return new Tuple1<Long>(value); |
| } |
| } |
| } |