org.neo4j.cypher.internal.expressions.ConstantExpression.scala Maven / Gradle / Ivy
/*
* 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
object ConstantExpression {
def unapply(v: AnyRef): Option[Expression] = v match {
case expr: Literal => Some(expr)
case expr: Parameter => Some(expr)
case expr @ ListLiteral(expressions) if expressions.forall(unapply(_).nonEmpty) => Some(expr)
case _ => None
}
}