package org.neo4j.kernel.impl.management;
import javax.management.NotCompliantMBeanException;
import org.neo4j.helpers.Service;
import org.neo4j.kernel.KernelExtension.KernelData;
import org.neo4j.kernel.impl.transaction.TxModule;
import org.neo4j.kernel.management.TransactionManager;
@Service.Implementation( ManagementBeanProvider.class )
public final class TransactionManagerBean extends ManagementBeanProvider
{
public TransactionManagerBean()
{
super( TransactionManager.class );
}
@Override
protected Neo4jMBean createMBean( KernelData kernel ) throws NotCompliantMBeanException
{
return new TransactionManagerImpl( this, kernel );
}
@Description( "Information about the Neo4j transaction manager" )
private static class TransactionManagerImpl extends Neo4jMBean implements TransactionManager
{
private final TxModule txModule;
TransactionManagerImpl( ManagementBeanProvider provider, KernelData kernel )
throws NotCompliantMBeanException
{
super( provider, kernel );
this.txModule = kernel.getConfig().getTxModule();
}
@Description( "The number of currently open transactions" )
public int getNumberOfOpenTransactions()
{
return txModule.getActiveTxCount();
}
@Description( "The highest number of transactions ever opened concurrently" )
public int getPeakNumberOfConcurrentTransactions()
{
return txModule.getPeakConcurrentTxCount();
}
@Description( "The total number started transactions" )
public int getNumberOfOpenedTransactions()
{
return txModule.getStartedTxCount();
}
@Description( "The total number of committed transactions" )
public long getNumberOfCommittedTransactions()
{
return txModule.getCommittedTxCount();
}
@Description( "The total number of rolled back transactions" )
public long getNumberOfRolledBackTransactions()
{
return txModule.getRolledbackTxCount();
}
}
}