/*
* 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.language;
import org.teiid.core.util.EquivalenceUtil;
import org.teiid.core.util.HashCodeUtil;
import org.teiid.language.visitor.LanguageObjectVisitor;
public class WindowFunction extends BaseLanguageObject implements Expression {
private AggregateFunction function;
private WindowSpecification windowSpecification;
public WindowFunction() {
}
public AggregateFunction getFunction() {
return function;
}
public void setFunction(AggregateFunction expression) {
this.function = expression;
}
public WindowSpecification getWindowSpecification() {
return windowSpecification;
}
public void setWindowSpecification(WindowSpecification windowSpecification) {
this.windowSpecification = windowSpecification;
}
@Override
public Class<?> getType() {
return function.getType();
}
@Override
public void acceptVisitor(LanguageObjectVisitor visitor) {
visitor.visit(this);
}
@Override
public int hashCode() {
return HashCodeUtil.hashCode(function.hashCode(), windowSpecification);
}
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof WindowFunction)) {
return false;
}
WindowFunction other = (WindowFunction)obj;
return EquivalenceUtil.areEqual(this.function, other.function) &&
EquivalenceUtil.areEqual(this.windowSpecification, other.windowSpecification);
}
}