/* 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 org.camunda.bpm.engine.impl.persistence.entity;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureOnlyOneNotNull;
import java.util.List;
import org.camunda.bpm.engine.history.HistoricVariableInstance;
import org.camunda.bpm.engine.history.HistoricVariableInstanceQuery;
import org.camunda.bpm.engine.impl.HistoricVariableInstanceQueryImpl;
import org.camunda.bpm.engine.impl.Page;
import org.camunda.bpm.engine.impl.persistence.AbstractHistoricManager;
/**
* @author Christian Lipphardt (camunda)
*/
public class HistoricVariableInstanceManager extends AbstractHistoricManager {
public void deleteHistoricVariableInstanceByProcessInstanceId(String historicProcessInstanceId) {
deleteHistoricVariableInstancesByProcessCaseInstanceId(historicProcessInstanceId, null);
}
public void deleteHistoricVariableInstanceByCaseInstanceId(String historicCaseInstanceId) {
deleteHistoricVariableInstancesByProcessCaseInstanceId(null, historicCaseInstanceId);
}
protected void deleteHistoricVariableInstancesByProcessCaseInstanceId(String historicProcessInstanceId, String historicCaseInstanceId) {
ensureOnlyOneNotNull("Only the process instance or case instance id should be set", historicProcessInstanceId, historicCaseInstanceId);
if (isHistoryEnabled()) {
// delete entries in DB
List<HistoricVariableInstance> historicVariableInstances;
if (historicProcessInstanceId != null) {
historicVariableInstances = findHistoricVariableInstancesByProcessInstanceId(historicProcessInstanceId);
}
else {
historicVariableInstances = findHistoricVariableInstancesByCaseInstanceId(historicCaseInstanceId);
}
for (HistoricVariableInstance historicVariableInstance : historicVariableInstances) {
((HistoricVariableInstanceEntity) historicVariableInstance).delete();
}
// delete entries in Cache
List <HistoricVariableInstanceEntity> cachedHistoricVariableInstances = getDbEntityManager().getCachedEntitiesByType(HistoricVariableInstanceEntity.class);
for (HistoricVariableInstanceEntity historicVariableInstance : cachedHistoricVariableInstances) {
// make sure we only delete the right ones (as we cannot make a proper query in the cache)
if ((historicProcessInstanceId != null && historicProcessInstanceId.equals(historicVariableInstance.getProcessInstanceId()))
|| (historicCaseInstanceId != null && historicCaseInstanceId.equals(historicVariableInstance.getCaseInstanceId()))) {
historicVariableInstance.delete();
}
}
}
}
@SuppressWarnings("unchecked")
public List<HistoricVariableInstance> findHistoricVariableInstancesByProcessInstanceId(String processInstanceId) {
return getDbEntityManager().selectList("selectHistoricVariablesByProcessInstanceId", processInstanceId);
}
@SuppressWarnings("unchecked")
public List<HistoricVariableInstance> findHistoricVariableInstancesByCaseInstanceId(String caseInstanceId) {
return getDbEntityManager().selectList("selectHistoricVariablesByCaseInstanceId", caseInstanceId);
}
public long findHistoricVariableInstanceCountByQueryCriteria(HistoricVariableInstanceQueryImpl historicProcessVariableQuery) {
return (Long) getDbEntityManager().selectOne("selectHistoricVariableInstanceCountByQueryCriteria", historicProcessVariableQuery);
}
@SuppressWarnings("unchecked")
public List<HistoricVariableInstance> findHistoricVariableInstancesByQueryCriteria(HistoricVariableInstanceQueryImpl historicProcessVariableQuery, Page page) {
return getDbEntityManager().selectList("selectHistoricVariableInstanceByQueryCriteria", historicProcessVariableQuery, page);
}
public HistoricVariableInstanceEntity findHistoricVariableInstanceByVariableInstanceId(String variableInstanceId) {
return (HistoricVariableInstanceEntity) getDbEntityManager().selectOne("selectHistoricVariableInstanceByVariableInstanceId", variableInstanceId);
}
public void deleteHistoricVariableInstancesByTaskId(String taskId) {
if (isHistoryEnabled()) {
HistoricVariableInstanceQuery historicProcessVariableQuery = new HistoricVariableInstanceQueryImpl().taskIdIn(taskId);
List<HistoricVariableInstance> historicProcessVariables = historicProcessVariableQuery.list();
for(HistoricVariableInstance historicProcessVariable : historicProcessVariables) {
((HistoricVariableInstanceEntity) historicProcessVariable).delete();
}
}
}
}