org.hibernate.resource.transaction.backend.jdbc.internal.JdbcIsolationDelegate Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hibernate-core Show documentation
Show all versions of hibernate-core Show documentation
JPMS Module-Info's for a few of the Jakarta Libraries just until they add them in themselves
/*
* 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.resource.transaction.backend.jdbc.internal;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.concurrent.Callable;
import org.hibernate.HibernateException;
import org.hibernate.engine.jdbc.connections.spi.JdbcConnectionAccess;
import org.hibernate.engine.jdbc.spi.SqlExceptionHelper;
import org.hibernate.engine.transaction.spi.IsolationDelegate;
import org.hibernate.internal.CoreLogging;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.jdbc.WorkExecutor;
import org.hibernate.jdbc.WorkExecutorVisitable;
/**
* @author Andrea Boriero
*/
public class JdbcIsolationDelegate implements IsolationDelegate {
private static final CoreMessageLogger LOG = CoreLogging.messageLogger( JdbcIsolationDelegate.class );
private final JdbcConnectionAccess connectionAccess;
private final SqlExceptionHelper sqlExceptionHelper;
public JdbcIsolationDelegate(JdbcConnectionAccess connectionAccess, SqlExceptionHelper sqlExceptionHelper) {
this.connectionAccess = connectionAccess;
this.sqlExceptionHelper = sqlExceptionHelper;
}
protected JdbcConnectionAccess jdbcConnectionAccess() {
return this.connectionAccess;
}
protected SqlExceptionHelper sqlExceptionHelper() {
return this.sqlExceptionHelper;
}
@Override
public T delegateWork(WorkExecutorVisitable work, boolean transacted) throws HibernateException {
boolean wasAutoCommit = false;
try {
Connection connection = jdbcConnectionAccess().obtainConnection();
try {
if ( transacted ) {
if ( connection.getAutoCommit() ) {
wasAutoCommit = true;
connection.setAutoCommit( false );
}
}
T result = work.accept( new WorkExecutor(), connection );
if ( transacted ) {
connection.commit();
}
return result;
}
catch (Exception e) {
try {
if ( transacted && !connection.isClosed() ) {
connection.rollback();
}
}
catch (Exception ignore) {
LOG.unableToRollbackConnection( ignore );
}
if ( e instanceof HibernateException ) {
throw (HibernateException) e;
}
else if ( e instanceof SQLException ) {
throw sqlExceptionHelper().convert( (SQLException) e, "error performing isolated work" );
}
else {
throw new HibernateException( "error performing isolated work", e );
}
}
finally {
if ( transacted && wasAutoCommit ) {
try {
connection.setAutoCommit( true );
}
catch (Exception ignore) {
LOG.trace( "was unable to reset connection back to auto-commit" );
}
}
try {
jdbcConnectionAccess().releaseConnection( connection );
}
catch (Exception ignore) {
LOG.unableToReleaseIsolatedConnection( ignore );
}
}
}
catch (SQLException sqle) {
throw sqlExceptionHelper().convert( sqle, "unable to obtain isolated JDBC connection" );
}
}
@Override
public T delegateCallable(Callable callable, boolean transacted) throws HibernateException {
// No connection, nothing to be suspended
try {
return callable.call();
}
catch (HibernateException e) {
throw e;
}
catch (Exception e) {
throw new HibernateException(e);
}
}
}