package org.infinispan.grid.demo;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.global.GlobalConfiguration;
import org.infinispan.configuration.global.GlobalConfigurationBuilder;
import org.infinispan.manager.DefaultCacheManager;
import com.customized.tools.common.ResourceLoader;
public class MyCacheManagerProvider {
private static final Logger log = Logger.getLogger(MyCacheManagerProvider.class);
private static MyCacheManagerProvider instance = null;
public static MyCacheManagerProvider getInstance() {
if(null == instance) {
instance = new MyCacheManagerProvider();
}
return instance;
}
private MyCacheManagerProvider() {
}
private static final long ENTRY_LIFESPAN = 60 * 1000; //60 seconds
private DefaultCacheManager manager;
public void cleanUp() {
manager.stop();
manager = null;
}
public DefaultCacheManager getCacheManager() {
if (manager == null) {
log.info("DefaultCacheManager does not exist - constructing a new one");
GlobalConfiguration glob = new GlobalConfigurationBuilder()
.clusteredDefault() // Builds a default clustered configuration
.transport().addProperty("configurationFile", "jgroups-udp.xml") //provide a specific JGroups configuration
.globalJmxStatistics().allowDuplicateDomains(true).enable() //This method enables the jmx statistics of
// the global configuration and allows for duplicate JMX domains
.build(); // Builds the GlobalConfiguration object
Configuration loc = new ConfigurationBuilder()
.jmxStatistics().enable() //Enable JMX statistics
.clustering().cacheMode(CacheMode.DIST_SYNC) //Set Cache mode to DISTRIBUTED with SYNCHRONOUS replication
.hash().numOwners(2) //Keeps two copies of each key/value pair
.expiration().lifespan(ENTRY_LIFESPAN) //Set expiration - cache entries expire after some time (given by
// the lifespan parameter) and are removed from the cache (cluster-wide).
.build();
manager = new DefaultCacheManager(glob, loc, true);
}
return manager;
}
public DefaultCacheManager getCacheManager(String configFile) {
if (manager == null) {
log.info("DefaultCacheManager does not exist - constructing a new via " + configFile);
try {
manager = new DefaultCacheManager(ResourceLoader.getInstance().getResourceAsStream(configFile), true);
} catch (IOException e) {
throw new IllegalArgumentException(configFile + " can not find", e);
}
}
return manager;
}
}