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/*
* 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 .
*/
package org.hibernate.hql.spi.id.persistent;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.internal.AbstractSessionImpl;
import org.hibernate.type.UUIDCharType;
/**
* @author Steve Ebersole
*/
public class Helper {
/**
* Singleton access
*/
public static final Helper INSTANCE = new Helper();
public static final String SESSION_ID_COLUMN_NAME = "hib_sess_id";
private Helper() {
}
public void bindSessionIdentifier(PreparedStatement ps, SharedSessionContractImplementor session, int position) throws SQLException {
if ( ! AbstractSessionImpl.class.isInstance( session ) ) {
throw new HibernateException( "Only available on SessionImpl instances" );
}
UUIDCharType.INSTANCE.set( ps, session.getSessionIdentifier(), position, session );
}
public void cleanUpRows(String tableName, SharedSessionContractImplementor session) {
final String sql = "delete from " + tableName + " where " + SESSION_ID_COLUMN_NAME + "=?";
try {
PreparedStatement ps = null;
try {
ps = session.getJdbcCoordinator().getStatementPreparer().prepareStatement( sql, false );
bindSessionIdentifier( ps, session, 1 );
session.getJdbcCoordinator().getResultSetReturn().executeUpdate( ps );
}
finally {
if ( ps != null ) {
try {
session.getJdbcCoordinator().getLogicalConnection().getResourceRegistry().release( ps );
}
catch( Throwable ignore ) {
// ignore
}
}
}
}
catch (SQLException e) {
throw session.getJdbcServices().getSqlExceptionHelper().convert( e, "Unable to clean up id table [" + tableName + "]", sql );
}
}
}