| /* |
| * 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.util; |
| |
| import java.io.IOException; |
| |
| import org.apache.uima.analysis_engine.AnalysisEngine; |
| import org.apache.uima.analysis_engine.AnalysisEngineProcessException; |
| import org.apache.uima.collection.base_cpm.BaseCollectionReader; |
| import org.apache.uima.resource.Resource; |
| import org.apache.uima.resource.ResourceManager; |
| |
| /** |
| * Helper methods to handle the life cycle of UIMA components. |
| */ |
| public final class LifeCycleUtil { |
| |
| private LifeCycleUtil() { |
| // No instances |
| } |
| |
| /** |
| * Notify a set of {@link AnalysisEngine analysis engines} that the collection process is |
| * complete. |
| * |
| * @param engines |
| * the engines to notify of completion |
| * @throws AnalysisEngineProcessException |
| * if there was a problem in the engines reacting to completion |
| */ |
| public static void collectionProcessComplete(final AnalysisEngine... engines) |
| throws AnalysisEngineProcessException { |
| for (AnalysisEngine e : engines) { |
| e.collectionProcessComplete(); |
| } |
| } |
| |
| /** |
| * Destroy a set of {@link ResourceManager resource manager}. |
| * |
| * @param aResMgr |
| * the resource manager to destroy |
| */ |
| public static void destroy(final ResourceManager aResMgr) { |
| if (aResMgr != null) { |
| aResMgr.destroy(); |
| } |
| } |
| |
| /** |
| * Destroy a set of {@link Resource resources}. |
| * |
| * @param resources |
| * the resources to destroy |
| */ |
| public static void destroy(final Resource... resources) { |
| for (Resource r : resources) { |
| if (r != null) { |
| r.destroy(); |
| } |
| } |
| } |
| |
| /** |
| * Close a reader. |
| * |
| * @param aReader |
| * the reader to close |
| */ |
| public static void close(final BaseCollectionReader aReader) { |
| if (aReader == null) { |
| return; |
| } |
| |
| try { |
| aReader.close(); |
| } catch (IOException e) { |
| // Ignore. |
| } |
| } |
| } |