/*
* 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.symbol;
import java.util.List;
import org.teiid.core.util.EquivalenceUtil;
import org.teiid.core.util.HashCodeUtil;
import org.teiid.query.sql.LanguageObject;
import org.teiid.query.sql.LanguageVisitor;
import org.teiid.query.sql.lang.OrderBy;
import org.teiid.query.sql.visitor.SQLStringVisitor;
public class WindowSpecification implements LanguageObject {
private List<Expression> partition;
private OrderBy orderBy;
public WindowSpecification() {
}
public List<Expression> getPartition() {
return partition;
}
public void setPartition(List<Expression> grouping) {
this.partition = grouping;
}
public OrderBy getOrderBy() {
return orderBy;
}
public void setOrderBy(OrderBy orderBy) {
this.orderBy = orderBy;
}
@Override
public void acceptVisitor(LanguageVisitor visitor) {
visitor.visit(this);
}
@Override
public int hashCode() {
return HashCodeUtil.hashCode(0, partition, orderBy);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof WindowSpecification)) {
return false;
}
WindowSpecification other = (WindowSpecification)obj;
return EquivalenceUtil.areEqual(this.partition, other.partition) &&
EquivalenceUtil.areEqual(this.orderBy, other.orderBy);
}
@Override
public WindowSpecification clone() {
WindowSpecification clone = new WindowSpecification();
if (this.partition != null) {
clone.setPartition(LanguageObject.Util.deepClone(this.partition, Expression.class));
}
if (this.orderBy != null) {
clone.setOrderBy(this.orderBy.clone());
}
return clone;
}
@Override
public String toString() {
return SQLStringVisitor.getSQLString(this);
}
}