| /* |
| * 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.collection.base_cpm; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.cas_data.CasData; |
| import org.apache.uima.collection.CollectionReaderDescription; |
| import org.apache.uima.resource.ConfigurableResource_ImplBase; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.resource.ResourceSpecifier; |
| import org.apache.uima.resource.metadata.ProcessingResourceMetaData; |
| import org.apache.uima.util.Level; |
| |
| /** |
| * Base class from which to extend when writing Collection Readers that use the {@link CasData} |
| * interface to access the CAS. |
| */ |
| public abstract class CasDataCollectionReader_ImplBase extends ConfigurableResource_ImplBase |
| implements CasDataCollectionReader { |
| /** |
| * current class |
| */ |
| private static final Class<CasDataCollectionReader_ImplBase> CLASS_NAME = CasDataCollectionReader_ImplBase.class; |
| |
| /** |
| * Called by the framework to initialize this Collection Reader. Subclasses should generally NOT |
| * override this method; instead they should override the zero-argument {@link #initialize()} |
| * method and access metadata via the {@link #getProcessingResourceMetaData()} method. This method |
| * is non-final only for legacy reasons. |
| * <p> |
| * |
| * @see org.apache.uima.resource.Resource#initialize(org.apache.uima.resource.ResourceSpecifier, |
| * java.util.Map) |
| */ |
| public boolean initialize(ResourceSpecifier aSpecifier, Map<String, Object> aAdditionalParams) |
| throws ResourceInitializationException { |
| // aSpecifier must be a CollectionReaderDescription |
| if (aSpecifier instanceof CollectionReaderDescription) { |
| // do framework intitialiation |
| if (super.initialize(aSpecifier, aAdditionalParams)) { |
| // do user initialization |
| initialize(); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * This method is called during initialization, and does nothing by default. Subclasses should |
| * override it to perform one-time startup logic. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurs during initialization. |
| */ |
| public void initialize() throws ResourceInitializationException { |
| // no default behavior |
| } |
| |
| /** |
| * @see org.apache.uima.resource.Resource#destroy() |
| */ |
| public void destroy() { |
| try { |
| close(); |
| } catch (IOException e) { |
| UIMAFramework.getLogger(CLASS_NAME).log(Level.SEVERE, "", e); |
| } |
| } |
| |
| /** |
| * @see org.apache.uima.collection.CollectionReader#getProcessingResourceMetaData() |
| */ |
| public ProcessingResourceMetaData getProcessingResourceMetaData() { |
| return (ProcessingResourceMetaData) getMetaData(); |
| } |
| |
| /** |
| * @see org.apache.uima.collection.CollectionReader#isConsuming() |
| */ |
| public boolean isConsuming() { |
| return false; |
| } |
| |
| } |