| /* |
| * 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.api.common.operators.base; |
| |
| import org.apache.flink.api.common.ExecutionConfig; |
| import org.apache.flink.api.common.TaskInfo; |
| import org.apache.flink.api.common.accumulators.AbstractAccumulatorRegistry; |
| import org.apache.flink.api.common.functions.MapFunction; |
| import org.apache.flink.api.common.functions.RichMapFunction; |
| import org.apache.flink.api.common.functions.RuntimeContext; |
| import org.apache.flink.api.common.functions.util.RuntimeUDFContext; |
| import org.apache.flink.api.common.operators.UnaryOperatorInformation; |
| import org.apache.flink.api.common.typeinfo.BasicTypeInfo; |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.core.fs.Path; |
| import org.apache.flink.metrics.groups.UnregisteredMetricsGroup; |
| |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static java.util.Arrays.asList; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.powermock.api.mockito.PowerMockito.mock; |
| |
| @SuppressWarnings("serial") |
| public class MapOperatorTest implements java.io.Serializable { |
| |
| @Test |
| public void testMapPlain() { |
| try { |
| final MapFunction<String, Integer> parser = new MapFunction<String, Integer>() { |
| @Override |
| public Integer map(String value) { |
| return Integer.parseInt(value); |
| } |
| }; |
| |
| MapOperatorBase<String, Integer, MapFunction<String, Integer>> op = new MapOperatorBase<String, Integer, MapFunction<String,Integer>>( |
| parser, new UnaryOperatorInformation<String, Integer>(BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO), "TestMapper"); |
| |
| List<String> input = new ArrayList<String>(asList("1", "2", "3", "4", "5", "6")); |
| |
| ExecutionConfig executionConfig = new ExecutionConfig(); |
| executionConfig.disableObjectReuse(); |
| List<Integer> resultMutableSafe = op.executeOnCollections(input, null, executionConfig); |
| executionConfig.enableObjectReuse(); |
| List<Integer> resultRegular = op.executeOnCollections(input, null, executionConfig); |
| |
| assertEquals(asList(1, 2, 3, 4, 5, 6), resultMutableSafe); |
| assertEquals(asList(1, 2, 3, 4, 5, 6), resultRegular); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testMapWithRuntimeContext() { |
| try { |
| final String taskName = "Test Task"; |
| final AtomicBoolean opened = new AtomicBoolean(); |
| final AtomicBoolean closed = new AtomicBoolean(); |
| |
| final MapFunction<String, Integer> parser = new RichMapFunction<String, Integer>() { |
| |
| @Override |
| public void open(Configuration parameters) throws Exception { |
| opened.set(true); |
| RuntimeContext ctx = getRuntimeContext(); |
| assertEquals(0, ctx.getIndexOfThisSubtask()); |
| assertEquals(1, ctx.getNumberOfParallelSubtasks()); |
| assertEquals(taskName, ctx.getTaskName()); |
| } |
| |
| @Override |
| public Integer map(String value) { |
| return Integer.parseInt(value); |
| } |
| |
| @Override |
| public void close() throws Exception { |
| closed.set(true); |
| } |
| }; |
| |
| MapOperatorBase<String, Integer, MapFunction<String, Integer>> op = new MapOperatorBase<String, Integer, MapFunction<String,Integer>>( |
| parser, new UnaryOperatorInformation<String, Integer>(BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO), taskName); |
| |
| List<String> input = new ArrayList<String>(asList("1", "2", "3", "4", "5", "6")); |
| final AbstractAccumulatorRegistry accumulatorRegistry = mock(AbstractAccumulatorRegistry.class); |
| final HashMap<String, Future<Path>> cpTasks = new HashMap<>(); |
| final TaskInfo taskInfo = new TaskInfo(taskName, 1, 0, 1, 0); |
| ExecutionConfig executionConfig = new ExecutionConfig(); |
| executionConfig.disableObjectReuse(); |
| |
| List<Integer> resultMutableSafe = op.executeOnCollections(input, |
| new RuntimeUDFContext(taskInfo, null, executionConfig, cpTasks, |
| accumulatorRegistry, new UnregisteredMetricsGroup()), |
| executionConfig); |
| |
| executionConfig.enableObjectReuse(); |
| List<Integer> resultRegular = op.executeOnCollections(input, |
| new RuntimeUDFContext(taskInfo, null, executionConfig, cpTasks, |
| accumulatorRegistry, new UnregisteredMetricsGroup()), |
| executionConfig); |
| |
| assertEquals(asList(1, 2, 3, 4, 5, 6), resultMutableSafe); |
| assertEquals(asList(1, 2, 3, 4, 5, 6), resultRegular); |
| |
| assertTrue(opened.get()); |
| assertTrue(closed.get()); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| } |