@SuppressWarnings("unchecked")
public void deleteHistoricProcessInstanceById(String historicProcessInstanceId) {
if (getHistoryManager().isHistoryEnabled()) {
CommandContext commandContext = Context.getCommandContext();
HistoricProcessInstanceEntity historicProcessInstance =
findHistoricProcessInstance(historicProcessInstanceId);
commandContext
.getHistoricDetailEntityManager()
.deleteHistoricDetailsByProcessInstanceId(historicProcessInstanceId);
commandContext
.getHistoricVariableInstanceEntityManager()
.deleteHistoricVariableInstanceByProcessInstanceId(historicProcessInstanceId);
commandContext
.getHistoricActivityInstanceEntityManager()
.deleteHistoricActivityInstancesByProcessInstanceId(historicProcessInstanceId);
commandContext
.getHistoricTaskInstanceEntityManager()
.deleteHistoricTaskInstancesByProcessInstanceId(historicProcessInstanceId);
commandContext
.getHistoricIdentityLinkEntityManager()
.deleteHistoricIdentityLinksByProcInstance(historicProcessInstanceId);
commandContext
.getCommentEntityManager()
.deleteCommentsByProcessInstanceId(historicProcessInstanceId);
getDbSqlSession().delete(historicProcessInstance);
// Also delete any sub-processes that may be active (ACT-821)
HistoricProcessInstanceQueryImpl subProcessesQueryImpl =
new HistoricProcessInstanceQueryImpl();
subProcessesQueryImpl.superProcessInstanceId(historicProcessInstanceId);
List<HistoricProcessInstance> selectList =
getDbSqlSession()
.selectList("selectHistoricProcessInstancesByQueryCriteria", subProcessesQueryImpl);
for (HistoricProcessInstance child : selectList) {
deleteHistoricProcessInstanceById(child.getId());
}
}
}
@SuppressWarnings("unchecked")
public List<HistoricProcessInstance> findHistoricProcessInstancesAndVariablesByQueryCriteria(
HistoricProcessInstanceQueryImpl historicProcessInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
// paging doesn't work for combining process instances and variables due to an outer join, so
// doing it in-memory
if (historicProcessInstanceQuery.getFirstResult() < 0
|| historicProcessInstanceQuery.getMaxResults() <= 0) {
return Collections.EMPTY_LIST;
}
int firstResult = historicProcessInstanceQuery.getFirstResult();
int maxResults = historicProcessInstanceQuery.getMaxResults();
// setting max results, limit to 20000 results for performance reasons
historicProcessInstanceQuery.setMaxResults(20000);
historicProcessInstanceQuery.setFirstResult(0);
List<HistoricProcessInstance> instanceList =
getDbSqlSession()
.selectListWithRawParameterWithoutFilter(
"selectHistoricProcessInstancesWithVariablesByQueryCriteria",
historicProcessInstanceQuery,
historicProcessInstanceQuery.getFirstResult(),
historicProcessInstanceQuery.getMaxResults());
if (instanceList != null && !instanceList.isEmpty()) {
if (firstResult > 0) {
if (firstResult <= instanceList.size()) {
int toIndex = firstResult + Math.min(maxResults, instanceList.size() - firstResult);
return instanceList.subList(firstResult, toIndex);
} else {
return Collections.EMPTY_LIST;
}
} else {
int toIndex = Math.min(maxResults, instanceList.size());
return instanceList.subList(0, toIndex);
}
}
}
return Collections.EMPTY_LIST;
}