| /* |
| * 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.factory.testAes; |
| |
| import static org.uimafit.factory.ConfigurationParameterFactory.createConfigurationParameterName; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.uima.analysis_engine.AnalysisEngineProcessException; |
| import org.apache.uima.analysis_engine.metadata.AnalysisEngineMetaData; |
| import org.apache.uima.flow.FinalStep; |
| import org.apache.uima.flow.Flow; |
| import org.apache.uima.flow.FlowControllerContext; |
| import org.apache.uima.flow.JCasFlow_ImplBase; |
| import org.apache.uima.flow.SimpleStep; |
| import org.apache.uima.flow.Step; |
| import org.apache.uima.jcas.JCas; |
| import org.uimafit.descriptor.ConfigurationParameter; |
| |
| |
| /** |
| * |
| * NOTE: this class extends org.uimafit.component.JCasFlowController_ImplBase |
| */ |
| |
| public class ReversableTestFlowController extends |
| org.apache.uima.fit.component.JCasFlowController_ImplBase { |
| |
| public static final String PARAM_REVERSE_ORDER = createConfigurationParameterName( |
| ReversableTestFlowController.class, "reverseOrder"); |
| |
| @ConfigurationParameter |
| private boolean reverseOrder = false; |
| |
| @Override |
| public Flow computeFlow(JCas jCas) throws AnalysisEngineProcessException { |
| return new ReversableFlow(getContext(), reverseOrder); |
| } |
| |
| private static class ReversableFlow extends JCasFlow_ImplBase { |
| private List<String> keys = new ArrayList<String>(); |
| |
| private int i = 0; |
| |
| public ReversableFlow(FlowControllerContext context, boolean reverseOrder) { |
| Iterator<Map.Entry<String, AnalysisEngineMetaData>> iterator = context |
| .getAnalysisEngineMetaDataMap().entrySet().iterator(); |
| while (iterator.hasNext()) { |
| Map.Entry<String, AnalysisEngineMetaData> entry = iterator.next(); |
| String key = entry.getKey(); |
| keys.add(key); |
| } |
| Collections.sort(keys); |
| if (reverseOrder) { |
| Collections.reverse(keys); |
| } |
| } |
| |
| public Step next() throws AnalysisEngineProcessException { |
| if (i < keys.size()) { |
| return new SimpleStep(keys.get(i++)); |
| } |
| |
| return new FinalStep(); |
| } |
| } |
| |
| } |