| /* |
| * 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.uima.fit.cpe; |
| |
| import static java.util.Arrays.asList; |
| import static org.apache.uima.fit.cpe.CpePipeline.runPipeline; |
| import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngineDescription; |
| import static org.apache.uima.fit.factory.CollectionReaderFactory.createReaderDescription; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.uima.UimaContext; |
| import org.apache.uima.analysis_engine.AnalysisEngineDescription; |
| import org.apache.uima.analysis_engine.AnalysisEngineProcessException; |
| import org.apache.uima.cas.AbstractCas; |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.collection.CollectionException; |
| import org.apache.uima.collection.CollectionReaderDescription; |
| import org.apache.uima.fit.component.CasCollectionReader_ImplBase; |
| import org.apache.uima.fit.component.CasConsumer_ImplBase; |
| import org.apache.uima.fit.component.CasMultiplier_ImplBase; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.util.Progress; |
| import org.junit.Test; |
| |
| public class CasMultiplierTest { |
| /** |
| * Simulates a CPE with CAS multipliers that always read one CAS and always produce one CAS. |
| * It actually appears to work despite CPE not supporting CAS multipliers. |
| */ |
| @Test |
| public void testRunPipeline() throws Exception { |
| CollectionReaderDescription reader = createReaderDescription(Reader.class); |
| |
| AnalysisEngineDescription incrementor = createEngineDescription(Incrementor.class); |
| |
| AnalysisEngineDescription consumer = createEngineDescription(Consumer.class); |
| |
| AnalysisEngineDescription aggregate = createEngineDescription(incrementor, incrementor, |
| incrementor, consumer); |
| |
| runPipeline(reader, aggregate); |
| |
| // The order in which the consumer sees the CASes is arbitrary, in particular because we never |
| // tell the CPE that the aggregate which contains the consumer cannot be scaled out. |
| assertFalse(aggregate.getAnalysisEngineMetaData().getOperationalProperties() |
| .isMultipleDeploymentAllowed()); |
| Collections.sort(Consumer.result); |
| |
| assertEquals(asList(4,5,6,7,8,9,10,11,12,13), Consumer.result); |
| } |
| |
| public static class Reader extends CasCollectionReader_ImplBase |
| { |
| private int generated = 0; |
| |
| @Override |
| public void getNext(CAS aCAS) throws IOException, CollectionException { |
| generated++; |
| aCAS.setDocumentText(Integer.toString(generated)); |
| System.out.printf("%n[%s] Generated: %s%n", Thread.currentThread().getName(), |
| aCAS.getDocumentText()); |
| } |
| |
| @Override |
| public boolean hasNext() throws IOException, CollectionException { |
| return generated < 10; |
| } |
| |
| @Override |
| public Progress[] getProgress() { |
| return null; |
| } |
| } |
| |
| /** |
| * Takes in a CAS, interprets its text as an integer, adds one to it, and creates a new CAS with |
| * the new value as text. |
| */ |
| public static class Incrementor extends CasMultiplier_ImplBase |
| { |
| private boolean inputReceived = false; |
| private boolean outputCreated = false; |
| |
| private int value = -1; |
| |
| @Override |
| public boolean hasNext() throws AnalysisEngineProcessException { |
| return inputReceived && !outputCreated; |
| } |
| |
| @Override |
| public AbstractCas next() throws AnalysisEngineProcessException { |
| outputCreated = true; |
| inputReceived = false; |
| |
| CAS output = getEmptyCAS(); |
| output.setDocumentText(Integer.toString(value+1)); |
| value = -1; |
| |
| System.out.printf("[%s] Out : %s%n", Thread.currentThread().getName(), |
| output.getDocumentText()); |
| |
| return output; |
| } |
| |
| @Override |
| public void process(CAS aCAS) throws AnalysisEngineProcessException { |
| outputCreated = false; |
| inputReceived = true; |
| |
| value = Integer.valueOf(aCAS.getDocumentText()); |
| |
| System.out.printf("[%s] In : %s%n", Thread.currentThread().getName(), |
| aCAS.getDocumentText()); |
| } |
| } |
| |
| public static class Consumer extends CasConsumer_ImplBase |
| { |
| public static List<Integer> result; |
| |
| @Override |
| public void initialize(UimaContext aContext) throws ResourceInitializationException { |
| super.initialize(aContext); |
| result = new ArrayList<>(); |
| } |
| |
| @Override |
| public void process(CAS aCAS) throws AnalysisEngineProcessException { |
| System.out.printf("Result : %s%n", aCAS.getDocumentText()); |
| result.add(Integer.valueOf(aCAS.getDocumentText())); |
| } |
| } |
| } |