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This is the ehcache core module. Pair it with other modules for added functionality.
/**
* Copyright 2003-2010 Terracotta, Inc.
*
* 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 net.sf.ehcache.statistics.sampled;
import net.sf.ehcache.Statistics;
import net.sf.ehcache.statistics.CacheUsageListener;
/**
* A no-op implementation of {@link SampledCacheStatistics}
*
*
* @author Abhishek Sanoujam
* @since 1.7
*/
public class NullSampledCacheStatistics implements CacheUsageListener, SampledCacheStatistics {
/**
* {@inheritDoc}
*/
public long getAverageGetTimeMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheElementEvictedMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheElementExpiredMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheElementPutMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheElementRemovedMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheElementUpdatedMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheHitInMemoryMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheHitOffHeapMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheHitMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheHitOnDiskMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissExpiredMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissInMemoryMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissOffHeapMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissOnDiskMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheMissNotFoundMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public int getStatisticsAccuracy() {
return Statistics.STATISTICS_ACCURACY_NONE;
}
/**
* {@inheritDoc}
*/
public String getStatisticsAccuracyDescription() {
return "None";
}
/**
* {@inheritDoc}
*/
public boolean isSampledStatisticsEnabled() {
return false;
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.sampled.SampledCacheStatistics#dispose()
*/
public void dispose() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheElementEvicted()
*/
public void notifyCacheElementEvicted() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheElementExpired()
*/
public void notifyCacheElementExpired() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheElementPut()
*/
public void notifyCacheElementPut() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheElementRemoved()
*/
public void notifyCacheElementRemoved() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheElementUpdated()
*/
public void notifyCacheElementUpdated() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheHitInMemory()
*/
public void notifyCacheHitInMemory() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheHitOffHeap()
*/
public void notifyCacheHitOffHeap() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheHitOnDisk()
*/
public void notifyCacheHitOnDisk() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheMissedWithExpired()
*/
public void notifyCacheMissedWithExpired() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheMissedWithNotFound()
*/
public void notifyCacheMissedWithNotFound() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheMissInMemory()
*/
public void notifyCacheMissInMemory() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheMissOffHeap()
*/
public void notifyCacheMissOffHeap() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyCacheMissOnDisk()
*/
public void notifyCacheMissOnDisk() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyRemoveAll()
*/
public void notifyRemoveAll() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyStatisticsAccuracyChanged(int)
*/
public void notifyStatisticsAccuracyChanged(int statisticsAccuracy) {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyStatisticsCleared()
*/
public void notifyStatisticsCleared() {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyStatisticsEnabledChanged(boolean)
*/
public void notifyStatisticsEnabledChanged(boolean enableStatistics) {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.CacheUsageListener#notifyTimeTakenForGet(long)
*/
public void notifyTimeTakenForGet(long millis) {
// no-op
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.statistics.sampled.SampledCacheStatistics#clearStatistics()
*/
public void clearStatistics() {
// no-op
}
/**
* {@inheritDoc}
*/
public long getAverageSearchTime() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getSearchesPerSecond() {
return 0;
}
/**
* {@inheritDoc}
*/
public void notifyCacheSearch(long executeTime) {
// no-op
}
/**
* {@inheritDoc}
*/
public void notifyXaCommit() {
// no-op
}
/**
* {@inheritDoc}
*/
public void notifyXaRollback() {
// no-op
}
/**
* {@inheritDoc}
*/
public long getCacheXaCommitsMostRecentSample() {
return 0;
}
/**
* {@inheritDoc}
*/
public long getCacheXaRollbacksMostRecentSample() {
return 0;
}
}