fish.payara.cdi.jsr107.JSR107Producer Maven / Gradle / Ivy
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Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2016-2017] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package fish.payara.cdi.jsr107;
import fish.payara.cdi.jsr107.impl.NamedCache;
import com.hazelcast.core.HazelcastInstance;
import fish.payara.nucleus.hazelcast.HazelcastCore;
import java.util.logging.Logger;
import javax.cache.Cache;
import javax.cache.CacheManager;
import javax.cache.annotation.CacheDefaults;
import javax.cache.configuration.Factory;
import javax.cache.configuration.FactoryBuilder;
import javax.cache.configuration.MutableConfiguration;
import javax.cache.spi.CachingProvider;
import javax.enterprise.context.Dependent;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.InjectionPoint;
/**
*
* @author steve
*/
public class JSR107Producer {
private static final Logger logger = Logger.getLogger(JSR107Producer.class.getName());
public JSR107Producer() {
hazelcastCore = HazelcastCore.getCore();
}
HazelcastCore hazelcastCore;
@Dependent
@Produces
CachingProvider getCachingProvider() {
// TBD look for scoped Caching Providers in JNDI
if (!hazelcastCore.isEnabled()) {
logger.warning("Unable to inject CachingProvider as Hazelcast is Disabled");
return null;
}
return hazelcastCore.getCachingProvider();
}
@Dependent
@Produces
CacheManager getCacheManager(InjectionPoint point) {
if (!hazelcastCore.isEnabled()) {
logger.warning("Unable to inject CacheManager as Hazelcast is Disabled");
return null;
}
return hazelcastCore.getCachingProvider().getCacheManager();
}
@Dependent
@Produces
HazelcastInstance getHazelcast() {
if (!hazelcastCore.isEnabled()) {
logger.warning("Unable to inject HazelcastInstance as Hazelcast is Disabled");
return null;
}
return hazelcastCore.getInstance();
}
/**
* Produces a Cache for injection. If the @NamedCache annotation is present the
* cache will be created based on the values of the annotation field
*
* Otherwise the cache will be created with the cache name being equal
* to the fully qualified name of the class into which it is injected
* @param ip
* @return
*/
@Produces
public Cache createCache(InjectionPoint ip) {
Cache result;
if (!hazelcastCore.isEnabled()) {
logger.warning("Unable to inject Cache as Hazelcast is Disabled");
return null;
}
//determine the cache name first start with the default name
String cacheName = ip.getMember().getDeclaringClass().getCanonicalName();
NamedCache ncqualifier = ip.getAnnotated().getAnnotation(NamedCache.class);
CacheManager manager = getCacheManager(ip);
if (ncqualifier != null) { // configure the cache based on the annotation
String qualifierName = ncqualifier.cacheName();
if (!"".equals(cacheName)) {
cacheName = qualifierName;
}
Class keyClass = ncqualifier.keyClass();
Class valueClass = ncqualifier.valueClass();
result = manager.getCache(cacheName, keyClass, valueClass);
if (result == null) {
MutableConfiguration config = new MutableConfiguration<>();
config.setTypes(keyClass, valueClass);
// determine the expiry policy
Class expiryPolicyFactoryClass = ncqualifier.expiryPolicyFactoryClass();
if (!"Object".equals(expiryPolicyFactoryClass.getSimpleName())) {
Factory factory = FactoryBuilder.factoryOf(expiryPolicyFactoryClass);
config.setExpiryPolicyFactory(factory);
}
// determine the cache writer if any
Class writerFactoryClass = ncqualifier.cacheWriterFactoryClass();
if (!"Object".equals(writerFactoryClass.getSimpleName())) {
Factory factory = FactoryBuilder.factoryOf(writerFactoryClass);
config.setCacheWriterFactory(factory);
}
config.setWriteThrough(ncqualifier.writeThrough());
// determine the cache loader if any
Class loaderFactoryClass = ncqualifier.cacheLoaderFactoryClass();
if (!"Object".equals(loaderFactoryClass.getSimpleName())) {
Factory factory = FactoryBuilder.factoryOf(loaderFactoryClass);
config.setCacheLoaderFactory(factory);
}
config.setReadThrough(ncqualifier.readThrough());
config.setManagementEnabled(ncqualifier.managementEnabled());
config.setStatisticsEnabled(ncqualifier.statisticsEnabled());
result = manager.createCache(cacheName, config);
}
} else { // configure a "raw" cache
Bean bean = ip.getBean();
if (bean != null) {
Class beanClass = bean.getBeanClass();
CacheDefaults defaults = beanClass.getAnnotation(CacheDefaults.class);
if (defaults != null) {
String cacheNameFromAnnotation = defaults.cacheName();
if (!"".equals(cacheNameFromAnnotation)) {
cacheName = cacheNameFromAnnotation;
}
}
}
result = manager.getCache(cacheName);
if (result == null) {
MutableConfiguration config = new MutableConfiguration<>();
config.setManagementEnabled(true);
config.setStatisticsEnabled(true);
result = manager.createCache(cacheName, config);
}
}
return result;
}
}