| /** |
| * 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 com.datatorrent.stram.engine; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.api.Context.DAGContext; |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.DAG.Locality; |
| import com.datatorrent.api.DefaultInputPort; |
| import com.datatorrent.api.DefaultOutputPort; |
| import com.datatorrent.api.InputOperator; |
| import com.datatorrent.api.Operator.CheckpointListener; |
| import com.datatorrent.api.annotation.InputPortFieldAnnotation; |
| import com.datatorrent.common.util.AsyncFSStorageAgent; |
| import com.datatorrent.common.util.BaseOperator; |
| import com.datatorrent.stram.StramLocalCluster; |
| import com.datatorrent.stram.plan.logical.LogicalPlan; |
| |
| /** |
| * |
| */ |
| public class StreamingContainerTest |
| { |
| private static final Logger logger = LoggerFactory.getLogger(StreamingContainerTest.class); |
| private static Set<String> committedWindowIds = Collections.synchronizedSet(new HashSet<String>()); |
| private static Set<String> checkpointedWindowIds = Collections.synchronizedSet(new HashSet<String>()); |
| |
| @Test |
| public void testCommitted() throws IOException, ClassNotFoundException |
| { |
| LogicalPlan lp = new LogicalPlan(); |
| String workingDir = new File("target/testCommitted").getAbsolutePath(); |
| lp.setAttribute(Context.OperatorContext.STORAGE_AGENT, new AsyncFSStorageAgent(workingDir, null)); |
| lp.setAttribute(DAGContext.CHECKPOINT_WINDOW_COUNT, 1); |
| String opName = "CommitAwareOperatorTestCommit"; |
| lp.addOperator(opName, new CommitAwareOperator()); |
| |
| StramLocalCluster lc = new StramLocalCluster(lp); |
| lc.run(5000); |
| |
| /* this is not foolproof but some insurance is better than nothing */ |
| Assert.assertTrue("No Committed Windows", committedWindowIds.contains(opName)); |
| } |
| |
| @Test |
| public void testOiOCommitted() throws IOException, ClassNotFoundException |
| { |
| LogicalPlan lp = new LogicalPlan(); |
| String workingDir = new File("target/testCommitted").getAbsolutePath(); |
| lp.setAttribute(Context.OperatorContext.STORAGE_AGENT, new AsyncFSStorageAgent(workingDir, null)); |
| lp.setAttribute(DAGContext.CHECKPOINT_WINDOW_COUNT, 1); |
| String op1Name = "CommitAwareOperatorTestOioCommit1"; |
| String op2Name = "CommitAwareOperatorTestOioCommit2"; |
| CommitAwareOperator operator1 = lp.addOperator(op1Name, new CommitAwareOperator()); |
| CommitAwareOperator operator2 = lp.addOperator(op2Name, new CommitAwareOperator()); |
| lp.addStream("local", operator1.output, operator2.input).setLocality(Locality.THREAD_LOCAL); |
| |
| StramLocalCluster lc = new StramLocalCluster(lp); |
| lc.run(5000); |
| |
| /* this is not foolproof but some insurance is better than nothing */ |
| Assert.assertTrue("No Committed Windows", committedWindowIds.contains(op1Name)); |
| Assert.assertTrue("No Committed Windows", committedWindowIds.contains(op2Name)); |
| } |
| |
| private static class CommitAwareOperator extends BaseOperator implements CheckpointListener, InputOperator |
| { |
| private transient String name; |
| public final transient DefaultOutputPort<String> output = new DefaultOutputPort<>(); |
| |
| @InputPortFieldAnnotation(optional = true) |
| public final transient DefaultInputPort<String> input = new DefaultInputPort<String>() |
| { |
| @Override |
| public void process(String tuple) |
| { |
| } |
| }; |
| @Override |
| public void setup(OperatorContext context) |
| { |
| this.name = context.getName(); |
| } |
| |
| @Override |
| public void checkpointed(long windowId) |
| { |
| checkpointedWindowIds.add(name); |
| logger.debug("checkpointed {} {}", name, windowId); |
| } |
| |
| @Override |
| public void committed(long windowId) |
| { |
| committedWindowIds.add(name); |
| logger.debug("committed {} {}", name, windowId); |
| } |
| |
| @Override |
| public void emitTuples() |
| { |
| } |
| |
| } |
| |
| } |