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Compiler.scala
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Compiler.scala
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.cypher.internal
import org.neo4j.cypher.CypherException
import org.neo4j.kernel.impl.query.TransactionalContext
import org.neo4j.values.virtual.MapValue
import org.opencypher.v9_0.frontend.phases.CompilationPhaseTracer
/**
* Cypher compiler, which compiles pre-parsed queries into executable queries.
*/
trait Compiler {
/**
* Compile pre-parsed query into executable query.
*
* @param preParsedQuery pre-parsed query to convert
* @param tracer compilation tracer to which events of the compilation process are reported
* @param preParsingNotifications notifications from pre-parsing
* @param transactionalContext transactional context to use during compilation (in logical and physical planning)
* @throws CypherException public cypher exceptions on compilation problems
* @return a compiled and executable query
*/
@throws[org.neo4j.cypher.CypherException]
def compile(preParsedQuery: PreParsedQuery,
tracer: CompilationPhaseTracer,
preParsingNotifications: Set[org.neo4j.graphdb.Notification],
transactionalContext: TransactionalContext,
params: MapValue
): ExecutableQuery
}