| /* |
| * 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.wayang.iejoin.operators; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.apache.wayang.basic.data.Record; |
| import org.apache.wayang.basic.data.Tuple2; |
| import org.apache.wayang.core.function.TransformationDescriptor; |
| import org.apache.wayang.core.types.DataSetType; |
| import org.apache.wayang.core.types.DataUnitType; |
| import org.apache.wayang.java.channels.JavaChannelInstance; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| /** |
| * Test suite for {@link JavaIEJoinOperator}. |
| */ |
| public class JavaIEJoinOperatorTest extends JavaExecutionOperatorTestBase { |
| |
| |
| @Test |
| public void testExecution() { |
| Record r1 = new Record(100, 10); |
| Record r2 = new Record(200, 20); |
| Record r3 = new Record(300, 30); |
| Record r11 = new Record(250, 5); |
| // Prepare test data. |
| Stream<Record> inputStream0 = Arrays.asList(r1, r2, r3, r11).stream(); |
| Stream<Record> inputStream1 = Arrays.asList(r1, r2, r3).stream(); |
| |
| // Build the Cartesian operator. |
| JavaIEJoinOperator<Integer, Integer, Record> IEJoinOperator = |
| new JavaIEJoinOperator<Integer, Integer, Record>( |
| DataSetType.createDefaultUnchecked(Record.class), |
| DataSetType.createDefaultUnchecked(Record.class), |
| //0, 0, JoinCondition.GreaterThan, 1, 1, JoinCondition.LessThan |
| new TransformationDescriptor<Record, Integer>(word -> (Integer) word.getField(0), |
| DataUnitType.<Record>createBasic(Record.class), |
| DataUnitType.<Integer>createBasicUnchecked(Integer.class) |
| ), |
| new TransformationDescriptor<Record, Integer>(word -> (Integer) word.getField(0), |
| DataUnitType.<Record>createBasic(Record.class), |
| DataUnitType.<Integer>createBasicUnchecked(Integer.class) |
| ), |
| IEJoinMasterOperator.JoinCondition.GreaterThan, |
| new TransformationDescriptor<Record, Integer>(word -> (Integer) word.getField(1), |
| DataUnitType.<Record>createBasic(Record.class), |
| DataUnitType.<Integer>createBasicUnchecked(Integer.class) |
| ), |
| new TransformationDescriptor<Record, Integer>(word -> (Integer) word.getField(1), |
| DataUnitType.<Record>createBasic(Record.class), |
| DataUnitType.<Integer>createBasicUnchecked(Integer.class) |
| ), |
| IEJoinMasterOperator.JoinCondition.LessThan |
| ); |
| |
| // Set up the ChannelInstances. |
| JavaChannelInstance[] inputs = new JavaChannelInstance[]{ |
| JavaExecutionOperatorTestBase.createStreamChannelInstance(inputStream0), |
| JavaExecutionOperatorTestBase.createStreamChannelInstance(inputStream1) |
| }; |
| JavaChannelInstance[] outputs = new JavaChannelInstance[]{JavaExecutionOperatorTestBase.createStreamChannelInstance()}; |
| JavaExecutionOperatorTestBase.evaluate(IEJoinOperator, inputs, outputs); |
| |
| // Verify the outcome. |
| final List<Tuple2<Record, Record>> result = outputs[0].<Tuple2<Record, Record>>provideStream().collect(Collectors.toList()); |
| Assert.assertEquals(2, result.size()); |
| //Assert.assertEquals(result.get(0), new Tuple2(1, "a")); |
| |
| } |
| |
| } |