/*
* 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 java.util.List;
/**
* This is a common super class for the two types of query commands: Query and SetQuery.
* This class provides some useful commonalities when the type of query command
* is not known.
*/
public abstract class QueryCommand extends Command {
/** The order in which to sort the results */
private OrderBy orderBy;
/** Limit on returned rows */
private Limit limit;
private List<WithQueryCommand> with;
/**
* Get the order by clause for the query.
* @return order by clause
*/
public OrderBy getOrderBy() {
return orderBy;
}
/**
* Set the order by clause for the query.
* @param orderBy New order by clause
*/
public void setOrderBy(OrderBy orderBy) {
this.orderBy = orderBy;
}
public Limit getLimit() {
return limit;
}
public void setLimit(Limit limit) {
this.limit = limit;
}
public List<WithQueryCommand> getWith() {
return with;
}
public void setWith(List<WithQueryCommand> with) {
this.with = with;
}
public abstract Query getProjectedQuery();
@Override
public boolean returnsResultSet() {
return true;
}
}