/* 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.activiti.engine.impl.persistence.entity;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.impl.HistoricProcessInstanceQueryImpl;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.AbstractManager;
/**
* @author Tom Baeyens
*/
public class HistoricProcessInstanceEntityManager extends AbstractManager {
public HistoricProcessInstanceEntity findHistoricProcessInstance(String processInstanceId) {
if (getHistoryManager().isHistoryEnabled()) {
return (HistoricProcessInstanceEntity) getDbSqlSession().selectById(HistoricProcessInstanceEntity.class, processInstanceId);
}
return null;
}
@SuppressWarnings("unchecked")
public void deleteHistoricProcessInstanceByProcessDefinitionId(String processDefinitionId) {
if (getHistoryManager().isHistoryEnabled()) {
List<String> historicProcessInstanceIds = getDbSqlSession()
.selectList("selectHistoricProcessInstanceIdsByProcessDefinitionId", processDefinitionId);
for (String historicProcessInstanceId: historicProcessInstanceIds) {
deleteHistoricProcessInstanceById(historicProcessInstanceId);
}
}
}
@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());
}
}
}
public long findHistoricProcessInstanceCountByQueryCriteria(HistoricProcessInstanceQueryImpl historicProcessInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
return (Long) getDbSqlSession().selectOne("selectHistoricProcessInstanceCountByQueryCriteria", historicProcessInstanceQuery);
}
return 0;
}
@SuppressWarnings("unchecked")
public List<HistoricProcessInstance> findHistoricProcessInstancesByQueryCriteria(HistoricProcessInstanceQueryImpl historicProcessInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
return getDbSqlSession().selectList("selectHistoricProcessInstancesByQueryCriteria", historicProcessInstanceQuery);
}
return Collections.EMPTY_LIST;
}
@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;
}
@SuppressWarnings("unchecked")
public List<HistoricProcessInstance> findHistoricProcessInstancesByNativeQuery(Map<String, Object> parameterMap, int firstResult, int maxResults) {
return getDbSqlSession().selectListWithRawParameter("selectHistoricProcessInstanceByNativeQuery", parameterMap, firstResult, maxResults);
}
public long findHistoricProcessInstanceCountByNativeQuery(Map<String, Object> parameterMap) {
return (Long) getDbSqlSession().selectOne("selectHistoricProcessInstanceCountByNativeQuery", parameterMap);
}
}