/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2008 Sun Microsystems Inc. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://opensso.dev.java.net/public/CDDLv1.0.html or
* opensso/legal/CDDLv1.0.txt
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at opensso/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* $Id: IdCacheStats.java,v 1.2 2008/08/07 17:22:06 arviranga Exp $
*
*/
package com.sun.identity.idm.common;
import com.sun.identity.shared.stats.Stats;
import com.sun.identity.shared.stats.StatsListener;
/**
* <code>IdCacheStats</code> implements the <code>StatsListener</code>
* and provides the information of the total number of entry in cache
* table and the number of hits and total number of reads.
*/
public class IdCacheStats implements StatsListener {
private String nameOfCache;
int cacheSize = 0; // number of entries in cache
long totalGetRequests = 0; // Overall get requests
long totalGetCacheHits = 0; // Overall cache hits
long totalIntervalHits = 0; // Hits during interval
long intervalCount = 0; // interval counter
long totalSearchRequests = 0; // Overall search request
long totalSearchHits = 0; // Overall search cache hits
private Stats stats = null;
/**
* Creates a new IdRepo Stats
*
* @param name Name of Cache
*/
public IdCacheStats(String name) {
nameOfCache = name;
stats = Stats.getInstance(name);
}
public void updateGetHitCount(int sizeOfCache) {
if (stats.isEnabled()) {
totalGetCacheHits++;
totalIntervalHits++;
cacheSize = sizeOfCache;
}
}
public void incrementGetRequestCount(int sizeOfCache) {
if (stats.isEnabled()) {
totalGetRequests++;
intervalCount++;
cacheSize = sizeOfCache;
}
}
public void updateSearchHitCount(int sizeOfCache) {
if (stats.isEnabled()) {
totalSearchHits++;
totalIntervalHits++;
cacheSize = sizeOfCache;
}
}
public void incrementSearchRequestCount(int sizeOfCache) {
if (stats.isEnabled()) {
totalSearchRequests++;
intervalCount++;
cacheSize = sizeOfCache;
}
}
/**
* Prints the session statistics for the given session table.
*
*/
public void printStats() {
// Print Stats information
stats.record("Idm Cache Statistics: " + nameOfCache + "\n--------------------"
+ "\nNumber of Get and Search requests during this interval: "
+ (double) intervalCount
+ "\nNumber of Hits during this interval: "
+ totalIntervalHits + "\nHit ratio for this interval: "
+ (double) totalIntervalHits / (double) intervalCount
+ "\nTotal number of Get requests since server start: "
+ totalGetRequests
+ "\nTotal number of Get Hits since server start: "
+ totalGetCacheHits + "\nOverall Hit ratio: "
+ (double) totalGetCacheHits / (double) totalGetRequests
+ "\nTotal number of Search requests since server start: "
+ totalSearchRequests
+ "\nTotal number of FQDN Search hits since server start: "
+ totalSearchHits + "\nOverall Hit ratio: "
+ (double) totalSearchHits / (double) totalSearchRequests
+ "\nTotal Cache Size: " + cacheSize + "\n");
// Reset interval hits to 0
intervalCount = 0;
totalIntervalHits = 0;
}
}