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Argument.scala
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Argument.scala
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/*
* Copyright (c) 2002-2017 "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.v3_4.logical.plans
import org.neo4j.cypher.internal.ir.v3_4.{CardinalityEstimation, IdName, PlannerQuery}
import org.neo4j.cypher.internal.util.v3_4.attribution.{IdGen, SameId}
import org.neo4j.cypher.internal.util.v3_4.symbols._
/**
* Produce a single row with the contents of argument
*/
case class Argument(argumentIds: Set[IdName] = Set.empty)(val solved: PlannerQuery with CardinalityEstimation)(implicit idGen: IdGen)
extends LogicalLeafPlan(idGen) {
def availableSymbols: Set[IdName] = argumentIds
override def updateSolved(newSolved: PlannerQuery with CardinalityEstimation): Argument = {
val resultingPlan = copy(argumentIds)(newSolved)(SameId(this.id))
resultingPlan.readTransactionLayer.copyFrom(readTransactionLayer)
resultingPlan
}
override def copyPlan(): LogicalPlan = {
val resultingPlan = this.copy(argumentIds)(solved)(SameId(this.id)).asInstanceOf[this.type]
resultingPlan.readTransactionLayer.copyFrom(readTransactionLayer)
resultingPlan
}
override def dup(children: Seq[AnyRef]) = children.size match {
case 1 =>
val resultingPlan = copy(children.head.asInstanceOf[Set[IdName]])(solved)(SameId(this.id)).asInstanceOf[this.type]
resultingPlan.readTransactionLayer.copyFrom(readTransactionLayer)
resultingPlan
}
}