/*
* Copyright (C) 2012-2014 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.internal.consistency;
import static info.archinnov.achilles.internal.context.AbstractFlushContext.FlushType.BATCH;
import info.archinnov.achilles.annotations.Consistency;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import info.archinnov.achilles.internal.context.AbstractFlushContext;
import info.archinnov.achilles.internal.context.facade.PersistentStateHolder;
import info.archinnov.achilles.internal.metadata.holder.EntityMeta;
import info.archinnov.achilles.internal.metadata.holder.PropertyMeta;
import info.archinnov.achilles.type.ConsistencyLevel;
import info.archinnov.achilles.type.Options;
public class ConsistencyOverrider {
private static final Logger log = LoggerFactory.getLogger(ConsistencyOverrider.class);
public Options overrideRuntimeValueByBatchSetting(Options options, AbstractFlushContext flushContext) {
Options result = options;
if (flushContext.type() == BATCH && flushContext.getConsistencyLevel() != null) {
result = options.duplicateWithNewConsistencyLevel(flushContext.getConsistencyLevel());
}
return result;
}
public ConsistencyLevel getReadLevel(PersistentStateHolder context) {
EntityMeta entityMeta = context.getEntityMeta();
ConsistencyLevel readLevel = context.getConsistencyLevel().isPresent() ? context.getConsistencyLevel().get() : entityMeta.config().getReadConsistencyLevel();
log.trace("Read consistency level : " + readLevel);
return readLevel;
}
public ConsistencyLevel getWriteLevel(PersistentStateHolder context) {
EntityMeta entityMeta = context.getEntityMeta();
ConsistencyLevel writeLevel = context.getConsistencyLevel().isPresent() ? context.getConsistencyLevel().get() : entityMeta.config().getWriteConsistencyLevel();
log.trace("Write consistency level : " + writeLevel);
return writeLevel;
}
public ConsistencyLevel getReadLevel(PersistentStateHolder context, PropertyMeta pm) {
ConsistencyLevel consistency = context.getConsistencyLevel().isPresent() ? context.getConsistencyLevel().get()
: pm.structure().getReadConsistencyLevel();
log.trace("Read consistency level : " + consistency);
return consistency;
}
public ConsistencyLevel getWriteLevel(PersistentStateHolder context, PropertyMeta pm) {
ConsistencyLevel consistency = context.getConsistencyLevel().isPresent() ? context.getConsistencyLevel().get()
: pm.structure().getWriteConsistencyLevel();
log.trace("Write consistency level : " + consistency);
return consistency;
}
public static enum Singleton {
INSTANCE;
private final ConsistencyOverrider instance = new ConsistencyOverrider();
public ConsistencyOverrider get() {
return instance;
}
}
}