how to retrieve complete list of Cached elements from JCS class
This is how I m using the JCS
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Properties;
import org.apache.jcs.JCS;
import org.apache.jcs.access.exception.CacheException;
import org.apache.jcs.engine.control.CompositeCacheManager;
import org.springframework.beans.factory.annotation.Autowired;
import com.directv.adminserver.pojo.NflAlertPOJO;
import org.apache.log4j.Logger;
public class AlertMonitorManager {
private static JCS cache;
private static String cacheConfigFile;
private static LinkedHashMap<String, JCS> cacheMap = new
LinkedHashMap<String, JCS>();
public AlertMonitorManager(String file) {
}
public static JCS loadCache(String cacheName, Properties cacheConfig){
if(cacheName != null){
cache = cacheMap.get(cacheName);
}
if(cache == null)
{
CompositeCacheManager ccm =
CompositeCacheManager.getUnconfiguredInstance();
Properties props = new Properties();
ccm.configure(cacheConfig);
try {
cache = JCS.getInstance(cacheName);
System.out.println("The Cache : "+cache);
cacheMap.put(cacheName, cache);
} catch (CacheException e) {
e.printStackTrace();
}
}
return cache;
}
}
cache.ccf.properties
# DEFAULT CACHE REGION
# sets the default aux value for any non configured caches
jcs.default=DC,RFailover
jcs.default.cacheattributes= org.apache.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000
jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLifeSeconds=3600
jcs.default.elementattributes.IdleTime=1800
jcs.default.elementattributes.IsSpool=true
jcs.default.elementattributes.IsRemote=true
jcs.default.elementattributes.IsLateral=true
# CACHE REGIONS AVAILABLE
# Regions preconfigured for caching
jcs.region.nflAlert=DC,RFailover
jcs.region.nflAlert.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.region.nflAlert.cacheattributes.MaxObjects=1200
jcs.region.nflAlert.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.fifo.FIFOMemoryCache
jcs.region.nflAlert.elementattributes.IsEternal=false
jcs.region.nflAlert.elementattributes.MaxLifeSeconds=7200
jcs.region.nflAlert.elementattributes.IdleTime=1800
jcs.region.nflAlert.elementattributes.IsSpool=true
jcs.region.nflAlert.elementattributes.IsRemote=true
jcs.region.nflAlert.elementattributes.IsLateral=true
# AUXILIARY CACHES AVAILABLE
# Primary Disk Cache -- faster than the rest because of memory key storage
jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
jcs.auxiliary.DC.attributes.DiskPath=/usr/opt/bookstore/raf
jcs.auxiliary.DC.attributes.MaxPurgatorySize=10000
jcs.auxiliary.DC.attributes.MaxKeySize=10000
jcs.auxiliary.DC.attributes.OptimizeAtRemoveCount=300000
jcs.auxiliary.DC.attributes.MaxRecycleBinSize=7500
# Remote RMI Cache set up to failover
jcs.auxiliary.RFailover=org.apache.jcs.auxiliary.remote.RemoteCacheFactory
jcs.auxiliary.RFailover.attributes=org.apache.jcs.auxiliary.remote.RemoteCacheAttributes
jcs.auxiliary.RFailover.attributes.RemoteTypeName=LOCAL
jcs.auxiliary.RFailover.attributes.FailoverServers=scriptserver:1102
jcs.auxiliary.RFailover.attributes.GetOnly=false
import java.io.InputStream;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.jcs.JCS;
import org.apache.jcs.access.CacheAccess;
import org.apache.jcs.engine.control.CompositeCache;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import com.directv.adminserver.service.AlertMonitorManager;
@Controller
@RequestMapping("alerts")
public class AlertsControllers {
@RequestMapping(method = RequestMethod.GET)
protected ModelAndView getAlerts(HttpServletRequest request,
HttpServletResponse response) throws Exception{
Properties props = new Properties();
InputStream inputStream = this.getClass().getClassLoader()
.getResourceAsStream("cache.ccf.properties");
JCS cache = AlertMonitorManager.loadCache("nflAlert", props);
cache.put("1", "Error");
cache.put("2", "Exception");
(String)cache.get("1");
return null;
}
}
I am able to retrieve the Cache Element by key. But I want to retrieve the
Complete List or Map of Cache Elements which are present in the JCS cache.
Any reply for this issue is Thankfull.
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