deletestatement.java

一个Java持久层类库

// $Id: DeleteStatement.java 7460 2005-07-12 20:27:29Z steveebersole $
package org.hibernate.hql.ast.tree;

import org.hibernate.hql.antlr.HqlSqlTokenTypes;
import org.hibernate.hql.antlr.SqlTokenTypes;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Defines a top-level AST node representing an HQL delete statement.
 *
 * @author Steve Ebersole
 */
public class DeleteStatement extends AbstractRestrictableStatement {

	private static final Logger log = LoggerFactory.getLogger( DeleteStatement.class );

	/**
	 * @see org.hibernate.hql.ast.tree.Statement#getStatementType()
	 */
	public int getStatementType() {
		return HqlSqlTokenTypes.DELETE;
	}

	/**
	 * @see org.hibernate.hql.ast.tree.Statement#needsExecutor()
	 */
	public boolean needsExecutor() {
		return true;
	}

	protected int getWhereClauseParentTokenType() {
		return SqlTokenTypes.FROM;
	}

	protected Logger getLog() {
		return log;
	}
}