org.opencypher.v9_0.ast.PeriodicCommitHint.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

import org.opencypher.v9_0.ast.semantics.SemanticCheck
import org.opencypher.v9_0.ast.semantics.SemanticCheckResult
import org.opencypher.v9_0.ast.semantics.SemanticCheckable
import org.opencypher.v9_0.ast.semantics.SemanticError
import org.opencypher.v9_0.expressions.IntegerLiteral
import org.opencypher.v9_0.util.ASTNode
import org.opencypher.v9_0.util.InputPosition

case class PeriodicCommitHint(size: Option[IntegerLiteral])(val position: InputPosition) extends ASTNode with SemanticCheckable {
  def name = s"USING PERIODIC COMMIT $size"

  override def semanticCheck: SemanticCheck = size match {
    case Some(integer) if integer.value <= 0 =>
      SemanticError(s"Commit size error - expected positive value larger than zero, got ${integer.value}", integer.position)
    case _ =>
      SemanticCheckResult.success
  }
}