/**
* Copyright (c) 2002-2011 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.management.impl;
import java.util.ArrayList;
import java.util.List;
import javax.management.NotCompliantMBeanException;
import org.neo4j.helpers.Service;
import org.neo4j.jmx.impl.ManagementBeanProvider;
import org.neo4j.jmx.impl.ManagementData;
import org.neo4j.jmx.impl.Neo4jMBean;
import org.neo4j.kernel.impl.transaction.XaDataSourceManager;
import org.neo4j.kernel.impl.transaction.xaframework.XaDataSource;
import org.neo4j.management.XaManager;
import org.neo4j.management.XaResourceInfo;
@Service.Implementation( ManagementBeanProvider.class )
public final class XaManagerBean extends ManagementBeanProvider
{
public XaManagerBean()
{
super( XaManager.class );
}
@Override
protected Neo4jMBean createMBean( ManagementData management ) throws NotCompliantMBeanException
{
return new XaManagerImpl( management );
}
@Override
protected Neo4jMBean createMXBean( ManagementData management ) throws NotCompliantMBeanException
{
return new XaManagerImpl( management, true );
}
private static class XaManagerImpl extends Neo4jMBean implements XaManager
{
private final XaDataSourceManager datasourceMananger;
XaManagerImpl( ManagementData management ) throws NotCompliantMBeanException
{
super( management );
this.datasourceMananger = management.getKernelData().getConfig().getTxModule().getXaDataSourceManager();
}
XaManagerImpl( ManagementData management, boolean isMxBean )
{
super( management, isMxBean );
this.datasourceMananger = management.getKernelData().getConfig().getTxModule().getXaDataSourceManager();
}
public XaResourceInfo[] getXaResources()
{
return getXaResourcesImpl( datasourceMananger );
}
private static XaResourceInfo[] getXaResourcesImpl( XaDataSourceManager datasourceMananger )
{
List<XaResourceInfo> result = new ArrayList<XaResourceInfo>();
for ( XaDataSource datasource : datasourceMananger.getAllRegisteredDataSources() )
{
result.add( createXaResourceInfo( datasource ) );
}
return result.toArray( new XaResourceInfo[result.size()] );
}
private static XaResourceInfo createXaResourceInfo( XaDataSource datasource )
{
return new XaResourceInfo( datasource.getName(), toHexString( datasource.getBranchId() ) );
}
private static String toHexString( byte[] branchId )
{
StringBuilder result = new StringBuilder();
for ( byte part : branchId )
{
String chunk = Integer.toHexString( part );
if ( chunk.length() < 2 ) result.append( "0" );
if ( chunk.length() > 2 )
result.append( chunk.substring( chunk.length() - 2 ) );
else
result.append( chunk );
}
return result.toString();
}
}
}