/* 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.ActivitiIllegalArgumentException;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.impl.HistoricTaskInstanceQueryImpl;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.history.HistoryLevel;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.AbstractManager;
/**
* @author Tom Baeyens
*/
public class HistoricTaskInstanceEntityManager extends AbstractManager {
@SuppressWarnings("unchecked")
public void deleteHistoricTaskInstancesByProcessInstanceId(String processInstanceId) {
if (getHistoryManager().isHistoryLevelAtLeast(HistoryLevel.AUDIT)) {
List<String> taskInstanceIds = (List<String>) getDbSqlSession().selectList("selectHistoricTaskInstanceIdsByProcessInstanceId", processInstanceId);
for (String taskInstanceId: taskInstanceIds) {
deleteHistoricTaskInstanceById(taskInstanceId);
}
}
}
public long findHistoricTaskInstanceCountByQueryCriteria(HistoricTaskInstanceQueryImpl historicTaskInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
return (Long) getDbSqlSession().selectOne("selectHistoricTaskInstanceCountByQueryCriteria", historicTaskInstanceQuery);
}
return 0;
}
@SuppressWarnings("unchecked")
public List<HistoricTaskInstance> findHistoricTaskInstancesByQueryCriteria(HistoricTaskInstanceQueryImpl historicTaskInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
return getDbSqlSession().selectList("selectHistoricTaskInstancesByQueryCriteria", historicTaskInstanceQuery);
}
return Collections.EMPTY_LIST;
}
@SuppressWarnings("unchecked")
public List<HistoricTaskInstance> findHistoricTaskInstancesAndVariablesByQueryCriteria(HistoricTaskInstanceQueryImpl historicTaskInstanceQuery) {
if (getHistoryManager().isHistoryEnabled()) {
// paging doesn't work for combining task instances and variables due to an outer join, so doing it in-memory
if (historicTaskInstanceQuery.getFirstResult() < 0 || historicTaskInstanceQuery.getMaxResults() <= 0) {
return Collections.EMPTY_LIST;
}
int firstResult = historicTaskInstanceQuery.getFirstResult();
int maxResults = historicTaskInstanceQuery.getMaxResults();
// setting max results, limit to 20000 results for performance reasons
historicTaskInstanceQuery.setMaxResults(20000);
historicTaskInstanceQuery.setFirstResult(0);
List<HistoricTaskInstance> instanceList = getDbSqlSession().selectListWithRawParameterWithoutFilter("selectHistoricTaskInstancesWithVariablesByQueryCriteria",
historicTaskInstanceQuery, historicTaskInstanceQuery.getFirstResult(), historicTaskInstanceQuery.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;
}
public HistoricTaskInstanceEntity findHistoricTaskInstanceById(String taskId) {
if (taskId == null) {
throw new ActivitiIllegalArgumentException("Invalid historic task id : null");
}
if (getHistoryManager().isHistoryEnabled()) {
return (HistoricTaskInstanceEntity) getDbSqlSession().selectOne("selectHistoricTaskInstance", taskId);
}
return null;
}
public void deleteHistoricTaskInstanceById(String taskId) {
if (getHistoryManager().isHistoryEnabled()) {
HistoricTaskInstanceEntity historicTaskInstance = findHistoricTaskInstanceById(taskId);
if(historicTaskInstance!=null) {
CommandContext commandContext = Context.getCommandContext();
commandContext
.getHistoricDetailEntityManager()
.deleteHistoricDetailsByTaskId(taskId);
commandContext
.getHistoricVariableInstanceEntityManager()
.deleteHistoricVariableInstancesByTaskId(taskId);
commandContext
.getCommentEntityManager()
.deleteCommentsByTaskId(taskId);
commandContext
.getAttachmentEntityManager()
.deleteAttachmentsByTaskId(taskId);
commandContext.getHistoricIdentityLinkEntityManager()
.deleteHistoricIdentityLinksByTaskId(taskId);
getDbSqlSession().delete(historicTaskInstance);
}
}
}
@SuppressWarnings("unchecked")
public List<HistoricTaskInstance> findHistoricTaskInstancesByNativeQuery(Map<String, Object> parameterMap, int firstResult, int maxResults) {
return getDbSqlSession().selectListWithRawParameter("selectHistoricTaskInstanceByNativeQuery", parameterMap, firstResult, maxResults);
}
public long findHistoricTaskInstanceCountByNativeQuery(Map<String, Object> parameterMap) {
return (Long) getDbSqlSession().selectOne("selectHistoricTaskInstanceCountByNativeQuery", parameterMap);
}
}