package com.kylin.infinispan.datagrid.helloworld;
import javax.inject.Inject;
import java.util.logging.Logger;
import javax.annotation.PreDestroy;
import javax.enterprise.context.ApplicationScoped;
import org.infinispan.manager.DefaultCacheManager;
import org.infinispan.configuration.global.GlobalConfiguration;
import org.infinispan.configuration.global.GlobalConfigurationBuilder;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.CacheMode;
/**
* Creates a DefaultCacheManager which is configured programmatically.
* Infinispan's libraries need to be bundled with the application.
*/
@ApplicationScoped
public class MyCacheManagerProvider {
private static final long ENTRY_LIFESPAN = 60 * 1000; //60 seconds
@Inject
private Logger log;
private DefaultCacheManager manager;
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;
}
@PreDestroy
public void cleanUp() {
manager.stop();
manager = null;
}
}