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/**
*
* Copyright (C) 2012-2013 DuyHai DOAN
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package info.archinnov.achilles.entity.manager;
import static info.archinnov.achilles.configuration.CQLConfigurationParameters.KEYSPACE_NAME_PARAM;
import static info.archinnov.achilles.configuration.ConfigurationParameters.ENTITY_PACKAGES_PARAM;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.Session;
import info.archinnov.achilles.configuration.ArgumentExtractor;
import info.archinnov.achilles.configuration.CQLArgumentExtractor;
import info.archinnov.achilles.consistency.AchillesConsistencyLevelPolicy;
import info.archinnov.achilles.consistency.CQLConsistencyLevelPolicy;
import info.archinnov.achilles.context.CQLDaoContext;
import info.archinnov.achilles.context.CQLDaoContextBuilder;
import info.archinnov.achilles.context.CQLPersistenceContextFactory;
import info.archinnov.achilles.context.ConfigurationContext.Impl;
import info.archinnov.achilles.proxy.ProxyClassFactory;
import info.archinnov.achilles.table.CQLTableCreator;
import info.archinnov.achilles.type.ConsistencyLevel;
public class CQLPersistenceManagerFactory extends PersistenceManagerFactory {
private static final Logger log = LoggerFactory.getLogger(CQLPersistenceManagerFactory.class);
private Cluster cluster;
private Session session;
private CQLDaoContext daoContext;
private CQLPersistenceContextFactory contextFactory;
private ProxyClassFactory proxyClassFactory = new ProxyClassFactory();
/**
* Create a new CQLPersistenceManagerFactory with a configuration map
*
* @param configurationMap Check documentation for more details on configuration
* parameters
*/
public CQLPersistenceManagerFactory(Map configurationMap) {
super(configurationMap, new CQLArgumentExtractor());
configContext.setImpl(Impl.CQL);
CQLArgumentExtractor extractor = new CQLArgumentExtractor();
cluster = extractor.initCluster(configurationMap);
session = extractor.initSession(cluster, configurationMap);
boolean hasSimpleCounter = false;
if (StringUtils.isNotBlank((String) configurationMap.get(ENTITY_PACKAGES_PARAM))) {
hasSimpleCounter = bootstrap();
}
new CQLTableCreator(cluster, session, (String) configurationMap.get(KEYSPACE_NAME_PARAM))
.validateOrCreateTables(entityMetaMap, configContext, hasSimpleCounter);
daoContext = CQLDaoContextBuilder.builder(session).build(entityMetaMap, hasSimpleCounter);
contextFactory = new CQLPersistenceContextFactory(daoContext, configContext, entityMetaMap);
registerShutdownHook(cluster);
warmUpProxies(extractor, configurationMap);
}
private void warmUpProxies(CQLArgumentExtractor extractor, Map configurationMap) {
if (extractor.initProxyWarmUp(configurationMap)) {
long start = System.nanoTime();
for (Class clazz : entityMetaMap.keySet()) {
proxyClassFactory.createProxyClass(clazz);
}
long end = System.nanoTime();
long duration = (end - start) / 1000000;
log.info("Entity proxies warm up took {} millisecs for {} entities", duration, entityMetaMap.size());
}
}
/**
* Create a new CQLPersistenceManager. This instance of
* CQLPersistenceManager is thread-safe
*
* @return CQLPersistenceManager
*/
public CQLPersistenceManager createPersistenceManager() {
return new CQLPersistenceManager(entityMetaMap, contextFactory, daoContext, configContext);
}
/**
* Create a new state-full PersistenceManager for batch handling
*
*
* WARNING : This PersistenceManager is state-full and not
* thread-safe. In case of exception, you MUST not re-use it but create
* another one
*
* @return a new state-full PersistenceManager
*/
public CQLBatchingPersistenceManager createBatchingPersistenceManager() {
return new CQLBatchingPersistenceManager(entityMetaMap, contextFactory, daoContext, configContext);
}
@Override
protected AchillesConsistencyLevelPolicy initConsistencyLevelPolicy(Map configurationMap,
ArgumentExtractor argumentExtractor) {
log.info("Initializing new Achilles Configurable Consistency Level Policy from arguments {}",
configurationMap);
ConsistencyLevel defaultReadConsistencyLevel = argumentExtractor
.initDefaultReadConsistencyLevel(configurationMap);
ConsistencyLevel defaultWriteConsistencyLevel = argumentExtractor
.initDefaultWriteConsistencyLevel(configurationMap);
Map readConsistencyMap = argumentExtractor.initReadConsistencyMap(configurationMap);
Map writeConsistencyMap = argumentExtractor.initWriteConsistencyMap
(configurationMap);
return new CQLConsistencyLevelPolicy(defaultReadConsistencyLevel, defaultWriteConsistencyLevel,
readConsistencyMap, writeConsistencyMap);
}
private void registerShutdownHook(final Cluster cluster) {
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
cluster.shutdown();
}
});
}
void setProxyClassFactory(ProxyClassFactory proxyClassFactory) {
this.proxyClassFactory = proxyClassFactory;
}
}