Glassfish example source code file (MonitorableFileCache.java)

This example Glassfish source code file (MonitorableFileCache.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

filecache, filecachestatsprovider, grizzlymonitoring, grizzlymonitoring, monitorablefilecache, monitorablefilecache, override, override, string, string

The Glassfish MonitorableFileCache.java source code

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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 *
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package com.sun.enterprise.v3.services.impl.monitor;

import com.sun.enterprise.v3.services.impl.monitor.stats.FileCacheStatsProvider;
import com.sun.grizzly.http.FileCache;

/**
 * Monitoring aware {@link FileCache} implementation.
 *
 * @author Alexey Stashok
 */
public class MonitorableFileCache extends FileCache {
    // The GrizzlyMonitoring objects, which encapsulates Grizzly probe emitters

    private final GrizzlyMonitoring grizzlyMonitoring;
    private final String monitoringId;

    public MonitorableFileCache(GrizzlyMonitoring grizzlyMonitoring, String monitoringId) {
        this.grizzlyMonitoring = grizzlyMonitoring;
        this.monitoringId = monitoringId;
        if (grizzlyMonitoring != null) {
            final FileCacheStatsProvider statsProvider =
                    grizzlyMonitoring.getFileCacheStatsProvider(monitoringId);
            if (statsProvider != null) {
                statsProvider.setStatsObject(this);
            }
        }
    }

    @Override
    protected void recalcCacheStatsIfMonitoring(FileCacheEntry entry) {
        recalcCacheStats(entry);
    }
    
    @Override
    protected void countHit() {
        super.countHit();
        grizzlyMonitoring.getFileCacheProbeProvider().countHitEvent(monitoringId);
    }

    @Override
    protected void countMiss() {
        super.countMiss();
        grizzlyMonitoring.getFileCacheProbeProvider().countMissEvent(monitoringId);
    }

    @Override
    protected void countInfoHit() {
        super.countInfoHit();
        grizzlyMonitoring.getFileCacheProbeProvider().countInfoHitEvent(monitoringId);
    }

    @Override
    protected void countInfoMiss() {
        super.countInfoMiss();
        grizzlyMonitoring.getFileCacheProbeProvider().countInfoMissEvent(monitoringId);
    }

    @Override
    protected void countContentHit() {
        super.countContentHit();
        grizzlyMonitoring.getFileCacheProbeProvider().countContentHitEvent(monitoringId);
    }

    @Override
    protected void countContentMiss() {
        super.countContentMiss();
        grizzlyMonitoring.getFileCacheProbeProvider().countContentMissEvent(monitoringId);
    }

    @Override
    protected void incOpenCacheEntries() {
        super.incOpenCacheEntries();
        grizzlyMonitoring.getFileCacheProbeProvider().incOpenCacheEntriesEvent(
                monitoringId);
    }

    @Override
    protected void decOpenCacheEntries() {
        super.decOpenCacheEntries();
        grizzlyMonitoring.getFileCacheProbeProvider().decOpenCacheEntriesEvent(
                monitoringId);
    }

    @Override
    protected void addHeapSize(long size) {
        super.addHeapSize(size);
        grizzlyMonitoring.getFileCacheProbeProvider().addHeapSizeEvent(
                monitoringId, size);
    }

    @Override
    protected void subHeapSize(long size) {
        super.subHeapSize(size);
        grizzlyMonitoring.getFileCacheProbeProvider().subHeapSizeEvent(
                monitoringId, size);
    }

    @Override
    protected void addMappedMemorySize(long size) {
        super.addMappedMemorySize(size);
        grizzlyMonitoring.getFileCacheProbeProvider().addMappedMemorySizeEvent(
                monitoringId, size);
    }

    @Override
    protected void subMappedMemorySize(long size) {
        super.subMappedMemorySize(size);
        grizzlyMonitoring.getFileCacheProbeProvider().subMappedMemorySizeEvent(
                monitoringId, size);
    }
}