org.hibernate.dialect.Oracle10gDialect Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of hibernate-core

The core O/RM functionality as provided by Hibernate

There is a newer version: 7.0.0.Alpha1

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.dialect;

import org.hibernate.LockOptions;
import org.hibernate.sql.ANSIJoinFragment;
import org.hibernate.sql.JoinFragment;

/**
 * A dialect specifically for use with Oracle 10g.
 * 
 * The main difference between this dialect and {@link Oracle9iDialect}
 * is the use of "ANSI join syntax".
 *
 * @author Steve Ebersole
 */
public class Oracle10gDialect extends Oracle9iDialect {
	/**
	 * Constructs a Oracle10gDialect
	 */
	public Oracle10gDialect() {
		super();
	}

	@Override
	public JoinFragment createOuterJoinFragment() {
		return new ANSIJoinFragment();
	}

	@Override
	public String getWriteLockString(int timeout) {
		if ( timeout == LockOptions.SKIP_LOCKED ) {
			return  getForUpdateSkipLockedString();
		}
		else {
			return super.getWriteLockString( timeout );
		}
	}

	@Override
	public String getForUpdateSkipLockedString() {
		return " for update skip locked";
	}

	@Override
	public String getForUpdateSkipLockedString(String aliases) {
		return getForUpdateString() + " of " + aliases + " skip locked";
	}
}