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MonitoringCacheTracer.java
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MonitoringCacheTracer.java
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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.javacompat;
import org.neo4j.cypher.internal.CacheTracer;
import org.neo4j.cypher.internal.StringCacheMonitor;
import org.neo4j.helpers.collection.Pair;
/**
* Adapter for passing CacheTraces into the Monitoring infrastructure.
*/
public class MonitoringCacheTracer implements CacheTracer<Pair<String,scala.collection.immutable.Map<String, Class<?>>>>
{
private final StringCacheMonitor monitor;
public MonitoringCacheTracer( StringCacheMonitor monitor )
{
this.monitor = monitor;
}
@Override
public void queryCacheHit( Pair<String,scala.collection.immutable.Map<String, Class<?>>> queryKey, String metaData )
{
monitor.cacheHit( queryKey );
}
@Override
public void queryCacheMiss( Pair<String,scala.collection.immutable.Map<String, Class<?>>> queryKey, String metaData )
{
monitor.cacheMiss( queryKey );
}
@Override
public void queryCacheStale( Pair<String,scala.collection.immutable.Map<String, Class<?>>> queryKey, int secondsSincePlan, String metaData )
{
monitor.cacheDiscard( queryKey, metaData, secondsSincePlan );
}
@Override
public void queryCacheFlush( long sizeOfCacheBeforeFlush )
{
monitor.cacheFlushDetected( sizeOfCacheBeforeFlush );
}
}