org.neo4j.cypher.internal.expressions.PatternExpression.scala Maven / Gradle / Ivy

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Cypher expressions

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * 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 org.neo4j.cypher.internal.expressions

import org.neo4j.cypher.internal.util.ASTNode
import org.neo4j.cypher.internal.util.InputPosition

case class PatternExpression(pattern: RelationshipsPattern)(
  override val computedIntroducedVariables: Option[Set[LogicalVariable]],
  override val computedScopeDependencies: Option[Set[LogicalVariable]]
) extends SubqueryExpression {

  override def position: InputPosition = pattern.position

  override def withComputedIntroducedVariables(computedIntroducedVariables: Set[LogicalVariable])
    : ExpressionWithComputedDependencies =
    copy()(computedIntroducedVariables = Some(computedIntroducedVariables), computedScopeDependencies)

  override def withComputedScopeDependencies(computedScopeDependencies: Set[LogicalVariable])
    : ExpressionWithComputedDependencies =
    copy()(computedIntroducedVariables, computedScopeDependencies = Some(computedScopeDependencies))

  override def subqueryAstNode: ASTNode = pattern

  override def dup(children: Seq[AnyRef]): this.type = {
    PatternExpression(
      children.head.asInstanceOf[RelationshipsPattern]
    )(computedIntroducedVariables, computedScopeDependencies).asInstanceOf[this.type]
  }
}