org.neo4j.cypher.internal.runtime.ast.RuntimeProperty.scala Maven / Gradle / Ivy

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Cypher runtime utilities

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.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 .
 */
package org.neo4j.cypher.internal.runtime.ast

import org.neo4j.cypher.internal.ast.semantics.SemanticCheck
import org.neo4j.cypher.internal.ast.semantics.SemanticCheckableExpression
import org.neo4j.cypher.internal.expressions.Expression
import org.neo4j.cypher.internal.expressions.LogicalProperty
import org.neo4j.cypher.internal.expressions.PropertyKeyName
import org.neo4j.cypher.internal.util.InputPosition
import org.neo4j.cypher.internal.util.Rewritable.IteratorEq
import org.neo4j.cypher.internal.util.RewritableJava

abstract class RuntimeProperty(val prop: LogicalProperty) extends LogicalProperty with SemanticCheckableExpression {
  override def semanticCheck(ctx: Expression.SemanticContext): SemanticCheck = SemanticCheck.success

  override def position: InputPosition = InputPosition.NONE

  override def map: Expression = prop.map

  override def propertyKey: PropertyKeyName = prop.propertyKey

  override def dup(children: Seq[AnyRef]): this.type =
    if (children.iterator eqElements this.treeChildren)
      this
    else {
      val constructor = RewritableJava.copyConstructor(this)
      val params = constructor.getParameterTypes
      val args = children.toVector
      val hasExtraParam = params.length == args.length + 1
      val lastParamIsProperty = classOf[LogicalProperty].isAssignableFrom(params.last)
      val ctorArgs = if (hasExtraParam && lastParamIsProperty) args :+ prop else args
      val duped = constructor.invoke(this, ctorArgs: _*)
      duped.asInstanceOf[this.type]
    }
}