Java tutorial
package org.apache.archiva.metadata.repository.jcr; /* * 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.apache.archiva.metadata.model.MetadataFacetFactory; import org.apache.archiva.metadata.repository.MetadataRepository; import org.apache.archiva.metadata.repository.MetadataResolver; import org.apache.archiva.metadata.repository.RepositorySession; import org.apache.archiva.metadata.repository.RepositorySessionFactory; import org.apache.archiva.metadata.repository.RepositorySessionFactoryBean; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.time.StopWatch; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.stereotype.Service; import javax.annotation.PostConstruct; import javax.inject.Inject; import javax.jcr.Repository; import javax.jcr.RepositoryException; import java.util.HashMap; import java.util.Map; /** * */ @Service("repositorySessionFactory#jcr") public class JcrRepositorySessionFactory implements RepositorySessionFactory { private Logger logger = LoggerFactory.getLogger(getClass()); @Inject private ApplicationContext applicationContext; private Map<String, MetadataFacetFactory> metadataFacetFactories; @Inject private Repository repository; @Inject private MetadataResolver metadataResolver; @Inject private RepositorySessionFactoryBean repositorySessionFactoryBean; @Override public RepositorySession createSession() { try { // FIXME: is this the right separation? or should a JCR session object contain the JCR session information? // such a change might allow us to avoid creating two objects for each request. It would also clear up // the ambiguities in the API where session & repository are the inverse of JCR; and the resolver is // retrieved from the session but must have it passed in. These should be reviewed before finalising the // API. MetadataRepository metadataRepository = new JcrMetadataRepository(metadataFacetFactories, repository); return new RepositorySession(metadataRepository, metadataResolver); } catch (RepositoryException e) { // FIXME: a custom exception requires refactoring for callers to handle it throw new RuntimeException(e); } } @PostConstruct public void initialize() throws Exception { // skip initialisation if not cassandra if (!StringUtils.equals(repositorySessionFactoryBean.getId(), "jcr")) { return; } StopWatch stopWatch = new StopWatch(); stopWatch.start(); metadataFacetFactories = applicationContext.getBeansOfType(MetadataFacetFactory.class); // olamy with spring the "id" is now "metadataFacetFactory#hint" // whereas was only hint with plexus so let remove metadataFacetFactory# Map<String, MetadataFacetFactory> cleanedMetadataFacetFactories = new HashMap<>( metadataFacetFactories.size()); for (Map.Entry<String, MetadataFacetFactory> entry : metadataFacetFactories.entrySet()) { cleanedMetadataFacetFactories.put(StringUtils.substringAfterLast(entry.getKey(), "#"), entry.getValue()); } metadataFacetFactories = cleanedMetadataFacetFactories; JcrMetadataRepository metadataRepository = null; try { metadataRepository = new JcrMetadataRepository(metadataFacetFactories, repository); JcrMetadataRepository.initialize(metadataRepository.getJcrSession()); } catch (RepositoryException e) { throw new RuntimeException(e.getMessage(), e); } finally { if (metadataRepository != null) { metadataRepository.close(); } } stopWatch.stop(); logger.info("time to initialize JcrRepositorySessionFactory: {}", stopWatch.getTime()); } }