org.camunda.bpm.engine.impl.history.producer.CacheAwareCmmnHistoryEventProducer Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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 org.camunda.bpm.engine.impl.history.producer;
import org.camunda.bpm.engine.impl.cmmn.entity.runtime.CaseExecutionEntity;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.history.event.HistoricCaseActivityInstanceEventEntity;
import org.camunda.bpm.engine.impl.history.event.HistoricCaseInstanceEventEntity;
import org.camunda.bpm.engine.impl.history.event.HistoryEvent;
/**
* @author Sebastian Menski
*/
public class CacheAwareCmmnHistoryEventProducer extends DefaultCmmnHistoryEventProducer {
@Override
protected HistoricCaseInstanceEventEntity loadCaseInstanceEventEntity(CaseExecutionEntity caseExecutionEntity) {
final String caseInstanceId = caseExecutionEntity.getCaseInstanceId();
HistoricCaseInstanceEventEntity cachedEntity = findInCache(HistoricCaseInstanceEventEntity.class, caseInstanceId);
if (cachedEntity != null) {
return cachedEntity;
}
else {
return newCaseInstanceEventEntity(caseExecutionEntity);
}
}
@Override
protected HistoricCaseActivityInstanceEventEntity loadCaseActivityInstanceEventEntity(CaseExecutionEntity caseExecutionEntity) {
final String caseActivityInstanceId = caseExecutionEntity.getId();
HistoricCaseActivityInstanceEventEntity cachedEntity = findInCache(HistoricCaseActivityInstanceEventEntity.class, caseActivityInstanceId);
if (cachedEntity != null) {
return cachedEntity;
}
else {
return newCaseActivityInstanceEventEntity(caseExecutionEntity);
}
}
/** find a cached entity by primary key */
protected T findInCache(Class type, String id) {
return Context.getCommandContext()
.getDbEntityManager()
.getCachedEntity(type, id);
}
}