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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 info.archinnov.achilles.context.CQLBatchingFlushContext;
import info.archinnov.achilles.context.CQLDaoContext;
import info.archinnov.achilles.context.CQLPersistenceContext;
import info.archinnov.achilles.context.CQLPersistenceContextFactory;
import info.archinnov.achilles.context.ConfigurationContext;
import info.archinnov.achilles.entity.metadata.EntityMeta;
import info.archinnov.achilles.exception.AchillesException;
import info.archinnov.achilles.exception.AchillesStaleObjectStateException;
import info.archinnov.achilles.type.ConsistencyLevel;
import info.archinnov.achilles.type.Options;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CQLBatchingPersistenceManager extends CQLPersistenceManager {
private static final Logger log = LoggerFactory.getLogger(CQLBatchingPersistenceManager.class);
private CQLBatchingFlushContext flushContext;
CQLBatchingPersistenceManager(Map, EntityMeta> entityMetaMap, CQLPersistenceContextFactory contextFactory,
CQLDaoContext daoContext, ConfigurationContext configContext) {
super(entityMetaMap, contextFactory, daoContext, configContext);
this.flushContext = new CQLBatchingFlushContext(daoContext, null);
}
/**
* Start a batch session.
*/
public void startBatch() {
log.debug("Starting batch mode");
flushContext.startBatch();
}
/**
* Start a batch session with read/write consistency levels
*/
public void startBatch(ConsistencyLevel consistencyLevel) {
log.debug("Starting batch mode with consistency level {}", consistencyLevel.name());
startBatch();
flushContext.setConsistencyLevel(consistencyLevel);
}
/**
* End an existing batch and flush all the pending statements.
*
* Do nothing if there is no pending statement
*
*/
public void endBatch() {
log.debug("Ending batch mode");
try {
flushContext.endBatch();
} finally {
flushContext.cleanUp();
}
}
/**
* Cleaning all pending statements for the current batch session.
*/
public void cleanBatch() {
log.debug("Cleaning all pending statements");
flushContext.cleanUp();
}
@Override
public void persist(final Object entity, Options options) {
if (options.getConsistencyLevel().isPresent()) {
flushContext.cleanUp();
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
super.persist(entity, options);
}
}
@Override
public T merge(final T entity, Options options) {
if (options.getConsistencyLevel().isPresent()) {
flushContext.cleanUp();
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
return super.merge(entity, options);
}
}
@Override
public void remove(final Object entity, ConsistencyLevel writeLevel) {
if (writeLevel != null) {
flushContext.cleanUp();
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
super.remove(entity, null);
}
}
@Override
public T find(final Class entityClass, final Object primaryKey, ConsistencyLevel readLevel) {
if (readLevel != null) {
flushContext.cleanUp();
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
return super.find(entityClass, primaryKey, null);
}
}
@Override
public T getReference(final Class entityClass, final Object primaryKey, ConsistencyLevel readLevel) {
if (readLevel != null) {
flushContext.cleanUp();
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
return super.getReference(entityClass, primaryKey, null);
}
}
@Override
public void refresh(final Object entity, ConsistencyLevel readLevel) throws AchillesStaleObjectStateException {
if (readLevel != null) {
throw new AchillesException(
"Runtime custom Consistency Level cannot be set for batch mode. Please set the Consistency Levels at batch start with 'startBatch(readLevel,writeLevel)'");
} else {
super.refresh(entity, null);
}
}
@Override
protected CQLPersistenceContext initPersistenceContext(Class entityClass, Object primaryKey, Options options) {
log.trace("Initializing new persistence context for entity class {} and primary key {}",
entityClass.getCanonicalName(), primaryKey);
EntityMeta entityMeta = entityMetaMap.get(entityClass);
return new CQLPersistenceContext(entityMeta, configContext, daoContext, flushContext, entityClass, primaryKey,
options);
}
@Override
protected CQLPersistenceContext initPersistenceContext(Object entity, Options options) {
log.trace("Initializing new persistence context for entity {}", entity);
EntityMeta entityMeta = this.entityMetaMap.get(proxifier.deriveBaseClass(entity));
return new CQLPersistenceContext(entityMeta, configContext, daoContext, flushContext, entity, options);
}
}