org.opencypher.v9_0.ast.semantics.SemanticFeature.scala Maven / Gradle / Ivy

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Abstract Syntax Tree and semantic analysis for the Cypher query language

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/*
 * Copyright (c) Neo4j Sweden AB (http://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.opencypher.v9_0.ast.semantics

sealed trait SemanticFeature

sealed trait FeatureToString {
  override def toString: String = name
  def name: String
}

object SemanticFeature {
  case object CorrelatedSubQueries extends SemanticFeature with FeatureToString {
    override def name: String = "correlated subqueries"
  }
  case object MultipleDatabases extends SemanticFeature with FeatureToString {
    override def name: String = "multiple databases"
  }
  case object MultipleGraphs extends SemanticFeature with FeatureToString {
    override def name: String = "multiple graphs"
  }
  case object FromGraphSelector extends SemanticFeature with FeatureToString {
    override def name: String = "FROM graph selector"
  }
  case object UseGraphSelector extends SemanticFeature with FeatureToString {
    override def name: String = "USE graph selector"
  }
  case object ExpressionsInViewInvocations extends SemanticFeature
  case object WithInitialQuerySignature extends SemanticFeature
  case object Cypher10Support extends SemanticFeature
}