/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Kowari Metadata Store.
*
* The Initial Developer of the Original Code is Plugged In Software Pty
* Ltd (http://www.pisoftware.com, mailto:info@pisoftware.com). Portions
* created by Plugged In Software Pty Ltd are Copyright (C) 2001,2002
* Plugged In Software Pty Ltd. All Rights Reserved.
*
* Contributor(s): N/A.
*
* [NOTE: The text of this Exhibit A may differ slightly from the text
* of the notices in the Source Code files of the Original Code. You
* should use the text of this Exhibit A rather than the text found in the
* Original Code Source Code for Your Modifications.]
*
*/
package org.mulgara.resolver;
// Java 2 standard packages
import java.net.URI;
import java.util.Set;
import java.io.IOException;
import java.io.File;
// Third party packages
import org.apache.log4j.Logger;
// Local packages
import org.mulgara.resolver.spi.*;
import org.mulgara.store.nodepool.NodePoolException;
import org.mulgara.store.stringpool.StringPoolException;
import org.mulgara.store.xa.SimpleXARecoveryHandler;
import org.mulgara.store.xa.SimpleXAResourceException;
import org.mulgara.store.xa.XANodePool;
import org.mulgara.store.xa.XAStatementStore;
import org.mulgara.store.xa.XAStringPool;
/**
* Creates Resolver Sessions that support JRDF operations.
*
* @created 2004-10-20
*
* @author <a href="mailto:robert.turner@tucanatech.com">Robert Turner</a>
*
* @version $Revision: 1.8 $
*
* @modified $Date: 2005/01/05 04:58:23 $
*
* @maintenanceAuthor $Author: newmana $
*
* @company <A href="mailto:info@PIsoftware.com">Plugged In Software</A>
*
* @copyright ©2001 <a href="http://www.pisoftware.com/">Plugged In
* Software Pty Ltd</a>
*
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public class JRDFResolverSessionFactory implements ResolverSessionFactory,
SimpleXARecoveryHandler
{
/** Logger. */
private static final Logger logger =
Logger.getLogger(JRDFResolverSessionFactory.class.getName());
/** The unique {@link URI} naming this database. */
private final URI databaseURI;
/** The set of alternative hostnames for the current host. */
private final Set hostnameAliases;
/** The directory used to store resources */
private File directory = null;
/** Wrapped ResolverSessionFactory */
private StringPoolSessionFactory sessionFactory = null;
/**
* Constructor.
*
* @param sessionFactory StringPoolSessionFactory
* @throws ResolverFactoryException
* @throws NodePoolException
* @throws StringPoolException
* @throws InitializerException
*/
JRDFResolverSessionFactory(DatabaseFactoryInitializer initializer,
StringPoolSessionFactory sessionFactory)
throws ResolverFactoryException, NodePoolException, StringPoolException, InitializerException
{
this.databaseURI = initializer.getDatabaseURI();
this.hostnameAliases = initializer.getHostnameAliases();
this.directory = initializer.getDirectory();
this.sessionFactory = sessionFactory;
}
/**
* Creates a new Read Only ResolverSession that supports JRDF.
*
* @throws ResolverSessionFactoryException
* @return ResolverSession
*/
public ResolverSession newReadOnlyResolverSession()
throws ResolverSessionFactoryException {
try {
logger.debug("Obtaining new RO XAResolverSession on SP/NP : " +
sessionFactory.getPersistentStringPool().getClass());
return new JRDFResolverSession(databaseURI,
hostnameAliases,
sessionFactory.getPersistentStringPool().newReadOnlyStringPool(),
sessionFactory.getPersistentNodePool().newReadOnlyNodePool(),
sessionFactory.getTemporaryStringPoolFactory().newStringPool(),
sessionFactory.getTemporaryNodePoolFactory().newNodePool(),
sessionFactory.getGlobalLock());
} catch (StringPoolException es) {
throw new ResolverSessionFactoryException("Unable to obtain new StringPool", es);
} catch (NodePoolException en) {
throw new ResolverSessionFactoryException("Unable to obtain new NodePool", en);
}
}
/**
* Creates a new Read/Write ResolverSession that supports JRDF.
*
* @throws ResolverSessionFactoryException
* @return ResolverSession
*/
public ResolverSession newWritableResolverSession()
throws ResolverSessionFactoryException {
try {
logger.debug("Obtaining new RW XAResolverSession on SP/NP : " +
sessionFactory.getPersistentStringPool().getClass());
return new JRDFResolverSession(databaseURI,
hostnameAliases,
sessionFactory.getPersistentStringPool().newWritableStringPool(),
sessionFactory.getPersistentNodePool().newWritableNodePool(),
sessionFactory.getTemporaryStringPoolFactory().newStringPool(),
sessionFactory.getTemporaryNodePoolFactory().newNodePool(),
sessionFactory.getGlobalLock());
} catch (StringPoolException es) {
throw new ResolverSessionFactoryException("Unable to obtain new StringPool", es);
} catch (NodePoolException en) {
throw new ResolverSessionFactoryException("Unable to obtain new NodePool", en);
}
}
/**
* Closes the factory and frees any resources associated with it.
*/
public void close()
{
sessionFactory.close();
if (directory != null) {
directory.delete();
}
}
/**
* Deletes resources used by the factory.
*/
public void delete()
{
sessionFactory.delete();
if (directory != null) {
directory.delete();
}
}
public void clear() throws IOException, SimpleXAResourceException
{
sessionFactory.clear();
}
public void clear(int phaseNumber) throws IOException, SimpleXAResourceException
{
sessionFactory.clear(phaseNumber);
}
/**
* recover
*
* @return int[]
* @throws SimpleXAResourceException
*/
public int[] recover() throws SimpleXAResourceException {
return sessionFactory.recover();
}
/**
* selectPhase
*
* @param phaseNumber int
* @throws SimpleXAResourceException
* @throws IOException
*/
public void selectPhase(int phaseNumber) throws SimpleXAResourceException,
IOException {
sessionFactory.selectPhase(phaseNumber);
}
/**
* registerStatementStore
*
* @param store XAStatementStore
*/
public void registerStatementStore(XAStatementStore store) {
sessionFactory.registerStatementStore(store);
}
/**
* getPersistentNodePool
*
* @return XANodePool
*/
public XANodePool getPersistentNodePool() {
return sessionFactory.getPersistentNodePool();
}
/**
* getPersistentStringPool
*
* @return XAStringPool
*/
public XAStringPool getPersistentStringPool() {
return sessionFactory.getPersistentStringPool();
}
}