| /* |
| * 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.analysis_engine.impl.compatibility; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.uima.UIMA_UnsupportedOperationException; |
| import org.apache.uima.UimaContext; |
| import org.apache.uima.analysis_component.AnalysisComponent; |
| import org.apache.uima.analysis_engine.AnalysisEngineProcessException; |
| import org.apache.uima.analysis_engine.ResultSpecification; |
| import org.apache.uima.analysis_engine.impl.AnalysisEngineDescription_impl; |
| import org.apache.uima.analysis_engine.metadata.AnalysisEngineMetaData; |
| import org.apache.uima.cas.AbstractCas; |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.cas.TypeSystem; |
| import org.apache.uima.collection.CasConsumer; |
| import org.apache.uima.jcas.JCas; |
| import org.apache.uima.resource.Resource; |
| import org.apache.uima.resource.ResourceConfigurationException; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.resource.ResourceProcessException; |
| import org.apache.uima.util.impl.ProcessTrace_impl; |
| |
| /** |
| * Adapter that allows CasConsumers to implement the AnalysisComponent interface. |
| */ |
| public class CasConsumerAdapter implements AnalysisComponent { |
| private CasConsumer mCasConsumer; |
| |
| private TypeSystem mLastTypeSystem; |
| |
| private AnalysisEngineMetaData mMetaData; |
| |
| /** |
| * Create a new annotator adapter. |
| * |
| * @param aAnnotator |
| * the annotator instance |
| * @param aMetaData |
| * metadata for the annotator. Needed to compute ResultSpecification. |
| */ |
| public CasConsumerAdapter(CasConsumer aCasConsumer, AnalysisEngineMetaData aMetaData) { |
| mCasConsumer = aCasConsumer; |
| mMetaData = aMetaData; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#initialize(org.apache.uima.UimaContext) |
| */ |
| public void initialize(UimaContext aContext) throws ResourceInitializationException { |
| // Initialize the CasConsumer, passing the appropriate UimaContext |
| // and a dummy descriptor containing the metadata passed to our constructor |
| AnalysisEngineDescription_impl desc = new AnalysisEngineDescription_impl(); |
| desc.setMetaData(mMetaData); |
| |
| Map<String, Object> paramsMap = new HashMap<String, Object>(); |
| paramsMap.put(Resource.PARAM_UIMA_CONTEXT, aContext); |
| mCasConsumer.initialize(desc, paramsMap); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.annotator.Annotator#process(org.apache.uima.core.AbstractCas) |
| */ |
| public void process(AbstractCas aCAS) throws AnalysisEngineProcessException { |
| if (!CAS.class.isAssignableFrom(aCAS.getClass())) { |
| throw new AnalysisEngineProcessException( |
| AnalysisEngineProcessException.INCORRECT_CAS_INTERFACE, new Object[] { CAS.class, |
| aCAS.getClass() }); |
| } |
| |
| // check if type system changed; if so, notify Annotator |
| checkTypeSystemChange(aCAS); |
| |
| try { |
| mCasConsumer.processCas((CAS) aCAS); |
| } catch (ResourceProcessException e) { |
| throw new AnalysisEngineProcessException(e); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#typeSystemChanged(org.apache.uima.core.AbstractCas) |
| */ |
| public void checkTypeSystemChange(AbstractCas aCAS) throws AnalysisEngineProcessException { |
| try { |
| TypeSystem typeSystem; |
| if (aCAS instanceof JCas) { |
| typeSystem = ((JCas) aCAS).getTypeSystem(); |
| } else // CAS |
| { |
| typeSystem = ((CAS) aCAS).getTypeSystem(); |
| } |
| if (typeSystem != mLastTypeSystem) { |
| mCasConsumer.typeSystemInit(typeSystem); |
| mLastTypeSystem = typeSystem; |
| } |
| } catch (ResourceInitializationException e) { |
| throw new AnalysisEngineProcessException(e); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#batchProcessComplete() |
| */ |
| public void batchProcessComplete() throws AnalysisEngineProcessException { |
| try { |
| mCasConsumer.batchProcessComplete(new ProcessTrace_impl()); |
| } catch (ResourceProcessException e) { |
| throw new AnalysisEngineProcessException(e); |
| } catch (IOException e) { |
| throw new AnalysisEngineProcessException(e); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#collectionProcessComplete() |
| */ |
| public void collectionProcessComplete() throws AnalysisEngineProcessException { |
| try { |
| mCasConsumer.collectionProcessComplete(new ProcessTrace_impl()); |
| } catch (ResourceProcessException e) { |
| throw new AnalysisEngineProcessException(e); |
| } catch (IOException e) { |
| throw new AnalysisEngineProcessException(e); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#destroy() |
| */ |
| public void destroy() { |
| mCasConsumer.destroy(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.core.AnalysisComponent#reconfigure() |
| */ |
| public void reconfigure() throws ResourceConfigurationException, ResourceInitializationException { |
| mCasConsumer.reconfigure(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.analysis_component.AnalysisComponent#hasNext() |
| */ |
| public boolean hasNext() throws AnalysisEngineProcessException { |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.analysis_component.AnalysisComponent#next() |
| */ |
| public AbstractCas next() throws AnalysisEngineProcessException { |
| throw new UIMA_UnsupportedOperationException( |
| UIMA_UnsupportedOperationException.UNSUPPORTED_METHOD, new Object[] { |
| AnnotatorAdapter.class, "next" }); |
| } |
| |
| /** |
| * Get the CAS interface required by this CasConsumer. Currently always returns CAS.class. |
| * |
| * @return the CAS interface required by this CasConsumer |
| */ |
| public Class<CAS> getRequiredCasInterface() { |
| return CAS.class; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.analysis_component.AnalysisComponent#getCasInstancesRequired() |
| */ |
| public int getCasInstancesRequired() { |
| return 0; |
| } |
| |
| public void setResultSpecification(ResultSpecification aResultSpec) { |
| // CAS Consumers don't use Result Specifications |
| } |
| } |