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CompilationPhaseTracer.java
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CompilationPhaseTracer.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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.compiler.v3_1;
public interface CompilationPhaseTracer
{
enum CompilationPhase
{
PARSING,
SEMANTIC_CHECK,
AST_REWRITE,
LOGICAL_PLANNING,
CODE_GENERATION,
PIPE_BUILDING,
}
CompilationPhaseEvent beginPhase( CompilationPhase phase );
interface CompilationPhaseEvent extends AutoCloseable
{
@Override
void close();
}
CompilationPhaseTracer NO_TRACING = new CompilationPhaseTracer()
{
@Override
public CompilationPhaseEvent beginPhase( CompilationPhase phase )
{
return NONE_PHASE;
}
};
CompilationPhaseEvent NONE_PHASE = () -> {
};
}