org.opencastproject.oaipmh.persistence.impl.OaiPmhDatabaseImpl Maven / Gradle / Ivy
/**
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.opencastproject.oaipmh.persistence.impl;
import org.opencastproject.db.DBSession;
import org.opencastproject.db.DBSessionFactory;
import org.opencastproject.oaipmh.persistence.OaiPmhDatabase;
import org.opencastproject.security.api.SecurityService;
import org.opencastproject.workspace.api.Workspace;
import org.osgi.service.component.ComponentContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Deactivate;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.persistence.EntityManagerFactory;
/** Implements {@link org.opencastproject.oaipmh.persistence.OaiPmhDatabase}. Defines permanent storage for OAI-PMH. */
@Component(
immediate = true,
name = "org.opencastproject.oaipmh.persistence.OaiPmhDatabaseImpl",
service = OaiPmhDatabase.class,
property = {
"service.description=OAI-PMH Service Persistence"
}
)
public class OaiPmhDatabaseImpl extends AbstractOaiPmhDatabase {
public static final String PERSISTENCE_UNIT_NAME = "org.opencastproject.oaipmh";
/** Logging utilities */
private static final Logger logger = LoggerFactory.getLogger(OaiPmhDatabaseImpl.class);
/** Factory used to create {@link javax.persistence.EntityManager}s for transactions */
private EntityManagerFactory emf;
private DBSessionFactory dbSessionFactory;
private DBSession db;
private SecurityService securityService;
/** The workspace */
private Workspace workspace;
@Override
public DBSession getDBSession() {
return db;
}
@Override
public SecurityService getSecurityService() {
return securityService;
}
@Override
public Workspace getWorkspace() {
return workspace;
}
/**
* Creates {@link EntityManagerFactory} using persistence provider and properties passed via OSGi.
*
* @param cc
*/
@Activate
public void activate(ComponentContext cc) {
logger.info("Activating persistence manager for OAI-PMH");
db = dbSessionFactory.createSession(emf);
}
@Deactivate
public void deactivate() {
db.close();
}
/** OSGi DI */
@Reference(target = "(osgi.unit.name=org.opencastproject.oaipmh)")
void setEntityManagerFactory(EntityManagerFactory emf) {
this.emf = emf;
}
@Reference
public void setDBSessionFactory(DBSessionFactory dbSessionFactory) {
this.dbSessionFactory = dbSessionFactory;
}
/**
* OSGi callback to set the security service.
*
* @param securityService
* the securityService to set
*/
@Reference
public void setSecurityService(SecurityService securityService) {
this.securityService = securityService;
}
/**
* OSGi callback to set the workspace.
*
* @param workspace
* the workspace to set
*/
@Reference
public void setWorkspace(Workspace workspace) {
this.workspace = workspace;
}
}