/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.cache.infinispan.tm;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;
import org.hibernate.HibernateException;
import org.hibernate.service.UnknownUnwrapTypeException;
import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
import org.hibernate.service.spi.Stoppable;
import org.hibernate.testing.env.ConnectionProviderBuilder;
/**
* XaConnectionProvider.
*
* @author Galder ZamarreƱo
* @since 3.5
*/
public class XaConnectionProvider implements ConnectionProvider {
private final static ConnectionProvider DEFAULT_CONNECTION_PROVIDER = ConnectionProviderBuilder.buildConnectionProvider();
private final ConnectionProvider actualConnectionProvider;
private boolean isTransactional;
public XaConnectionProvider() {
this(DEFAULT_CONNECTION_PROVIDER);
}
public XaConnectionProvider(ConnectionProvider connectionProvider) {
this.actualConnectionProvider = connectionProvider;
}
public ConnectionProvider getActualConnectionProvider() {
return actualConnectionProvider;
}
@Override
public boolean isUnwrappableAs(Class unwrapType) {
return XaConnectionProvider.class.isAssignableFrom( unwrapType ) ||
ConnectionProvider.class.equals( unwrapType ) ||
actualConnectionProvider.getClass().isAssignableFrom( unwrapType );
}
@Override
@SuppressWarnings( {"unchecked"})
public <T> T unwrap(Class<T> unwrapType) {
if ( XaConnectionProvider.class.isAssignableFrom( unwrapType ) ) {
return (T) this;
}
else if ( ConnectionProvider.class.isAssignableFrom( unwrapType ) ||
actualConnectionProvider.getClass().isAssignableFrom( unwrapType ) ) {
return (T) getActualConnectionProvider();
}
else {
throw new UnknownUnwrapTypeException( unwrapType );
}
}
public void configure(Properties props) throws HibernateException {
}
public Connection getConnection() throws SQLException {
XaTransactionImpl currentTransaction = XaTransactionManagerImpl.getInstance().getCurrentTransaction();
if ( currentTransaction == null ) {
isTransactional = false;
return actualConnectionProvider.getConnection();
}
else {
isTransactional = true;
Connection connection = currentTransaction.getEnlistedConnection();
if ( connection == null ) {
connection = actualConnectionProvider.getConnection();
currentTransaction.enlistConnection( connection, actualConnectionProvider );
}
return connection;
}
}
public void closeConnection(Connection conn) throws SQLException {
if ( !isTransactional ) {
actualConnectionProvider.closeConnection(conn);
}
}
public void close() throws HibernateException {
if ( actualConnectionProvider instanceof Stoppable ) {
((Stoppable) actualConnectionProvider).stop();
}
}
public boolean supportsAggressiveRelease() {
return true;
}
}