/*
* 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.proc;
import org.teiid.query.sql.LanguageVisitor;
import org.teiid.query.sql.symbol.Expression;
/**
* <p> This class represents a return statement</p>
*/
public class ReturnStatement extends AssignmentStatement {
public ReturnStatement(Expression value) {
super(null, value);
}
/**
* Return the type for this statement, this is one of the types
* defined on the statement object.
* @return The type of this statement
*/
public int getType() {
return Statement.TYPE_RETURN;
}
// =========================================================================
// P R O C E S S I N G M E T H O D S
// =========================================================================
public void acceptVisitor(LanguageVisitor visitor) {
visitor.visit(this);
}
/**
* Deep clone statement to produce a new identical statement.
* @return Deep clone
*/
public Object clone() {
ReturnStatement clone = new ReturnStatement(null);
if (this.getExpression() != null) {
clone.setExpression((Expression) this.getExpression().clone());
}
if (this.getVariable() != null) {
clone.setVariable(this.getVariable().clone());
}
return clone;
}
public boolean equals(Object obj) {
// Quick same object test
if(this == obj) {
return true;
}
// Quick fail tests
if(!(obj instanceof ReturnStatement)) {
return false;
}
ReturnStatement other = (ReturnStatement) obj;
return super.equals(other);
}
} // END CLASS