forked from eldersantos/community
/
Collect.scala
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/
Collect.scala
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/**
* Copyright (c) 2002-2012 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.cypher.internal.commands.expressions
import org.neo4j.cypher.internal.symbols.{SymbolTable, AnyType, IterableType}
import org.neo4j.cypher.internal.pipes.aggregation.CollectFunction
case class Collect(anInner: Expression) extends AggregationWithInnerExpression(anInner) {
def createAggregationFunction = new CollectFunction(anInner)
def expectedInnerType = AnyType()
def rewrite(f: (Expression) => Expression) = f(Collect(anInner.rewrite(f)))
def calculateType(symbols: SymbolTable) = new IterableType(anInner.getType(symbols))
}