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

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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.InputPosition

case class MapExpression(items: Seq[(PropertyKeyName, Expression)])(val position: InputPosition) extends Expression
    with HasMappableExpressions[MapExpression] {

  override def asCanonicalStringVal: String = items.map {
    case (key, value) => s"${key.asCanonicalStringVal}: ${value.asCanonicalStringVal}"
  }.mkString("{", ", ", "}")

  override def isConstantForQuery: Boolean = items.forall(kv => kv._2.isConstantForQuery)

  override def mapExpressions(f: Expression => Expression): MapExpression = copy(
    items.map {
      case (name, expression) => (name, f(expression))
    }
  )(position)
}