@Bean
public CacheManager cacheManager() {
log.debug("Starting Ehcache");
cacheManager = net.sf.ehcache.CacheManager.create();
cacheManager
.getConfiguration()
.setMaxBytesLocalHeap(
env.getProperty("cache.ehcache.maxBytesLocalHeap", String.class, "16M"));
log.debug("Registering Ehcache Metrics gauges");
Set<EntityType<?>> entities = entityManager.getMetamodel().getEntities();
for (EntityType<?> entity : entities) {
String name = entity.getName();
if (name == null || entity.getJavaType() != null) {
name = entity.getJavaType().getName();
}
Assert.notNull(name, "entity cannot exist without a identifier");
net.sf.ehcache.Cache cache = cacheManager.getCache(name);
if (cache != null) {
cache
.getCacheConfiguration()
.setTimeToLiveSeconds(env.getProperty("cache.timeToLiveSeconds", Long.class, 3600L));
net.sf.ehcache.Ehcache decoratedCache =
InstrumentedEhcache.instrument(metricRegistry, cache);
cacheManager.replaceCacheWithDecoratedCache(cache, decoratedCache);
}
}
EhCacheCacheManager ehCacheManager = new EhCacheCacheManager();
ehCacheManager.setCacheManager(cacheManager);
return ehCacheManager;
}
@Override
public Properties getProperties() {
Configuration ec = cacheManager.getConfiguration();
Properties p = new Properties();
p.put("name", ec.getName());
p.put("source", ec.getConfigurationSource().toString());
p.put("timeoutSeconds", ec.getDefaultTransactionTimeoutInSeconds());
p.put("maxBytesDisk", ec.getMaxBytesLocalDisk());
p.put("maxBytesHeap", ec.getMaxBytesLocalHeap());
p.put("maxDepth", ec.getSizeOfPolicyConfiguration().getMaxDepth());
p.put("defaultCacheMaxEntries", ec.getDefaultCacheConfiguration().getMaxEntriesLocalHeap());
p.put("defaultCacheTimeToIdleSecs", ec.getDefaultCacheConfiguration().getTimeToIdleSeconds());
p.put("defaultCacheTimeToLiveSecs", ec.getDefaultCacheConfiguration().getTimeToLiveSeconds());
p.put("defaultCacheEternal", ec.getDefaultCacheConfiguration().isEternal());
return p;
}
@Override
public CachePool createCachePool(String poolName, int cacheSize, int expiredSeconds) {
CacheManager cacheManager = CacheManager.create();
Cache enCache = cacheManager.getCache(poolName);
if (enCache == null) {
CacheConfiguration cacheConf =
cacheManager.getConfiguration().getDefaultCacheConfiguration().clone();
cacheConf.setName(poolName);
if (cacheConf.getMaxEntriesLocalHeap() != 0) {
cacheConf.setMaxEntriesLocalHeap(cacheSize);
} else {
cacheConf.setMaxBytesLocalHeap(String.valueOf(cacheSize));
}
cacheConf.setTimeToIdleSeconds(expiredSeconds);
Cache cache = new Cache(cacheConf);
cacheManager.addCache(cache);
return new EnchachePool(poolName, cache, cacheSize);
} else {
return new EnchachePool(poolName, enCache, cacheSize);
}
}
@Bean
public CacheManager cacheManager(JHipsterProperties jHipsterProperties) {
log.debug("Starting Ehcache");
cacheManager = net.sf.ehcache.CacheManager.create();
cacheManager
.getConfiguration()
.setMaxBytesLocalHeap(jHipsterProperties.getCache().getEhcache().getMaxBytesLocalHeap());
log.debug("Registering Ehcache Metrics gauges");
Set<EntityType<?>> entities = entityManager.getMetamodel().getEntities();
for (EntityType<?> entity : entities) {
String name = entity.getName();
if (name == null || entity.getJavaType() != null) {
name = entity.getJavaType().getName();
}
Assert.notNull(name, "entity cannot exist without an identifier");
reconfigureCache(name, jHipsterProperties);
for (PluralAttribute pluralAttribute : entity.getPluralAttributes()) {
reconfigureCache(name + "." + pluralAttribute.getName(), jHipsterProperties);
}
}
EhCacheCacheManager ehCacheManager = new EhCacheCacheManager();
ehCacheManager.setCacheManager(cacheManager);
return ehCacheManager;
}
@Override
public String getStatus() {
// MIRRORS the OLD status report
final StringBuilder buf = new StringBuilder();
buf.append("** Memory report\n");
buf.append("freeMemory: ").append(Runtime.getRuntime().freeMemory());
buf.append(" totalMemory: ");
buf.append(Runtime.getRuntime().totalMemory());
buf.append(" maxMemory: ");
buf.append(Runtime.getRuntime().maxMemory());
buf.append("\n\n");
String[] allCacheNames = cacheManager.getCacheNames();
Arrays.sort(allCacheNames);
ArrayList<Ehcache> caches = new ArrayList<Ehcache>(allCacheNames.length);
for (String cacheName : allCacheNames) {
Ehcache cache = cacheManager.getCache(cacheName);
caches.add(cache);
}
// summary (cache descriptions)
for (Ehcache cache : caches) {
Cache c = new EhcacheCache(cache);
buf.append(c.getDescription()).append("\n");
}
// extended report
// TODO probably should remove this
buf.append("\n** Extended Cache Report\n");
for (Ehcache cache : caches) {
buf.append(cache.toString());
buf.append("\n");
}
// config report
buf.append("\n** Current Cache Configurations\n");
// determine whether to use old or new form keys
boolean legacyKeys = true; // set true for a 2.9/BasicMemoryService compatible set of keys
String maxKey = "maxEntries";
String ttlKey = "timeToLive";
String ttiKey = "timeToIdle";
String eteKey = "eternal";
//noinspection ConstantConditions
if (legacyKeys) {
maxKey = "maxElementsInMemory";
ttlKey = "timeToLiveSeconds";
ttiKey = "timeToIdleSeconds";
}
// DEFAULT cache config
CacheConfiguration defaults = cacheManager.getConfiguration().getDefaultCacheConfiguration();
long maxEntriesDefault = defaults.getMaxEntriesLocalHeap();
long ttlSecsDefault = defaults.getTimeToLiveSeconds();
long ttiSecsDefault = defaults.getTimeToIdleSeconds();
boolean eternalDefault = defaults.isEternal();
buf.append("# DEFAULTS: ")
.append(maxKey)
.append("=")
.append(maxEntriesDefault)
.append(",")
.append(ttlKey)
.append("=")
.append(ttlSecsDefault)
.append(",")
.append(ttiKey)
.append("=")
.append(ttiSecsDefault)
.append(",")
.append(eteKey)
.append("=")
.append(eternalDefault)
.append("\n");
// new: timeToLive=600,timeToIdle=360,maxEntries=5000,eternal=false
// old: timeToLiveSeconds=3600,timeToIdleSeconds=900,maxElementsInMemory=20000,eternal=false
for (Ehcache cache : caches) {
long maxEntries = cache.getCacheConfiguration().getMaxEntriesLocalHeap();
long ttlSecs = cache.getCacheConfiguration().getTimeToLiveSeconds();
long ttiSecs = cache.getCacheConfiguration().getTimeToIdleSeconds();
boolean eternal = cache.getCacheConfiguration().isEternal();
if (maxEntries == maxEntriesDefault
&& ttlSecs == ttlSecsDefault
&& ttiSecs == ttiSecsDefault
&& eternal == eternalDefault) {
// Cache ONLY uses the defaults
buf.append("# memory.").append(cache.getName()).append(" *ALL DEFAULTS*\n");
} else {
// NOT only defaults cache, show the settings that differ from the defaults
buf.append("memory.").append(cache.getName()).append("=");
boolean first = true;
if (maxEntries != maxEntriesDefault) {
//noinspection ConstantConditions
first = addKeyValueToConfig(buf, maxKey, maxEntries, first);
}
if (ttlSecs != ttlSecsDefault) {
first = addKeyValueToConfig(buf, ttlKey, ttlSecs, first);
}
if (ttiSecs != ttiSecsDefault) {
first = addKeyValueToConfig(buf, ttiKey, ttiSecs, first);
}
if (eternal != eternalDefault) {
addKeyValueToConfig(buf, eteKey, eternal, first);
}
buf.append("\n");
// TODO remove the overflow to disk check
//noinspection deprecation
if (cache.getCacheConfiguration().isOverflowToDisk()) {
// overflowToDisk. maxEntriesLocalDisk
buf.append("# NOTE: ")
.append(cache.getName())
.append(" is configured for Overflow(disk), ")
.append(cache.getCacheConfiguration().getMaxEntriesLocalDisk())
.append(" entries\n");
}
}
}
final String rv = buf.toString();
log.info(rv);
return rv;
}