| package org.apache.maven.indexer.examples.indexing; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Component; |
| |
| import javax.annotation.PreDestroy; |
| import javax.inject.Singleton; |
| import java.io.IOException; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * This class represents a mapping between repositoryId-s and their respective indexes. |
| * |
| * @author mtodorov |
| */ |
| @Singleton |
| @Component |
| public class RepositoryIndexManager |
| { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger( RepositoryIndexManager.class ); |
| |
| /** |
| * K: repositoryId |
| * V: index |
| */ |
| private Map<String, RepositoryIndexer> indexes = new LinkedHashMap<>(); |
| |
| |
| public RepositoryIndexManager() |
| { |
| // no op |
| } |
| |
| /** |
| * A convenience method for closing the indexes. This method will be called |
| * by the Spring container and it shouldn't be invoked directly. |
| * <p/> |
| * This method is of particular importance, as you should close the indexes properly. |
| */ |
| @PreDestroy |
| private void close() |
| { |
| for ( String repositoryId : indexes.keySet() ) |
| { |
| try |
| { |
| final RepositoryIndexer repositoryIndexer = indexes.get( repositoryId ); |
| |
| LOGGER.debug( "Closing indexer for " + repositoryIndexer.getRepositoryId() + "..." ); |
| |
| repositoryIndexer.close(); |
| |
| LOGGER.debug( "Closed indexer for " + repositoryIndexer.getRepositoryId() + "." ); |
| } |
| catch ( IOException e ) |
| { |
| LOGGER.error( e.getMessage(), e ); |
| } |
| } |
| } |
| |
| public Map<String, RepositoryIndexer> getIndexes() |
| { |
| return indexes; |
| } |
| |
| public void setIndexes( Map<String, RepositoryIndexer> indexes ) |
| { |
| this.indexes = indexes; |
| } |
| |
| public RepositoryIndexer getRepositoryIndex( String repositoryId ) |
| { |
| return indexes.get( repositoryId ); |
| } |
| |
| public RepositoryIndexer addRepositoryIndex( String repositoryId, RepositoryIndexer value ) |
| { |
| return indexes.put( repositoryId, value ); |
| } |
| |
| public RepositoryIndexer removeRepositoryIndex( String repositoryId ) |
| { |
| return indexes.remove( repositoryId ); |
| } |
| |
| } |