/**
* Copyright 2011-2013 Akiban Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.akiban.sql.parser;
import com.akiban.sql.StandardException;
public class GroupConcatNode extends AggregateNode
{
private String sep;
private OrderByList orderCols;
@Override
public void init(Object value,
Object aggClass,
Object distinct,
Object aggName,
Object orderCols,
Object sep)
throws StandardException
{
super.init(value,
aggClass,
distinct,
aggName);
this.orderCols = (OrderByList) orderCols;
this.sep = (String) sep;
}
@Override
public void copyFrom(QueryTreeNode node) throws StandardException
{
super.copyFrom(node);
GroupConcatNode other = (GroupConcatNode) node;
this.sep = other.sep;
this.orderCols = (OrderByList) getNodeFactory().copyNode(other.orderCols,
getParserContext());
}
@Override
void acceptChildren(Visitor v) throws StandardException
{
super.acceptChildren(v);
if (orderCols != null)
orderCols.acceptChildren(v);
}
/**
* @inheritDoc
*/
@Override
protected boolean isEquivalent(ValueNode o) throws StandardException
{
if (!isSameNodeType(o))
return false;
GroupConcatNode other = (GroupConcatNode) o;
return this.sep.equals(other.sep)
&& this.orderCols.equals(other.orderCols);
}
@Override
public String toString()
{
return super.toString() +
"\nseparator: " + sep +
"\norderyByList: "+ orderCols;
}
public String getSeparator()
{
return sep;
}
public OrderByList getOrderBy()
{
return orderCols;
}
}