/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.sql.lang;
import org.teiid.query.sql.LanguageObject;
/**
* This interface defines a common interface for all SQL objects
* that contain subqueries.
*/
public interface SubqueryContainer<T extends Command> extends LanguageObject {
public static interface Evaluatable<T extends Command> extends SubqueryContainer<T> {
boolean shouldEvaluate();
void setShouldEvaluate(boolean b);
}
/**
* Returns the subquery Command object
* @return the subquery Command object
*/
T getCommand();
/**
* Sets the subquery Command object
* @param command the subquery Command object
*/
void setCommand(T command);
}