/* 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.bpmn.behavior;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.KPI;
import org.activiti.engine.TaskService;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.delegate.JavaDelegate;
import org.activiti.engine.delegate.TaskListener;
import org.activiti.engine.impl.TaskContext;
import org.activiti.engine.impl.calendar.DueDateBusinessCalendar;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.persistence.entity.TaskRejectLog;
import org.activiti.engine.impl.pvm.delegate.ActivityExecution;
import org.activiti.engine.impl.task.TaskDefinition;
import org.apache.log4j.Logger;
import com.frameworkset.common.poolman.ConfigSQLExecutor;
import com.frameworkset.util.StringUtil;
/**
* activity implementation for the user task.
*
* @author Joram Barrez
*/
public class UserTaskActivityBehavior extends TaskActivityBehavior {
private static Logger log = Logger.getLogger(UserTaskActivityBehavior.class);
public UserTaskActivityBehavior(TaskDefinition taskDefinition) {
this.taskDefinition = taskDefinition;
}
public List<String> getAssignee(TaskEntity task, ActivityExecution execution)
{
List<String> assignees = new ArrayList<String>();
String assign = null;
if (taskDefinition.getAssigneeExpression() != null)
{
assign = (String) taskDefinition.getAssigneeExpression().getValue(execution);
if(!StringUtil.isEmpty(assign))
{
List<String> candiates = extractCandidates(assign);
assignees.addAll(candiates);
}
}
else if (!taskDefinition.getCandidateGroupIdExpressions().isEmpty())
{
for (Expression groupIdExpr : taskDefinition.getCandidateGroupIdExpressions()) {
Object value = groupIdExpr.getValue(execution);
if (value instanceof String) {
List<String> candiates = extractCandidates((String) value);
assignees.addAll(candiates);
} else if (value instanceof Collection) {
assignees.addAll((Collection) value);
} else {
throw new ActivitiIllegalArgumentException("Expression did not resolve to a string or collection of strings");
}
}
}
else if (!taskDefinition.getCandidateUserIdExpressions().isEmpty()) {
for (Expression userIdExpr : taskDefinition.getCandidateUserIdExpressions()) {
Object value = userIdExpr.getValue(execution);
if (value instanceof String) {
List<String> candiates = extractCandidates((String) value);
assignees.addAll(candiates);
} else if (value instanceof Collection) {
assignees.addAll((Collection) value);
}
}
}
return assignees;
}
private void recoredrejectedlog(ActivityExecution execution,TaskEntity newtask,boolean fromsequnce ) throws Exception
{
TaskContext taskContext = execution.getTaskContext();
if(taskContext != null )
{
if(taskContext.isIsrejected() )
{
if(taskContext.isReturntoreject())
{
ConfigSQLExecutor executor = Context.getProcessEngineConfiguration().getExtendExecutor();
executor.insert("recoredrejectedlog", taskContext.getRejectednode(),taskContext.getRejectedtaskid(),newtask.getId(),TaskService.op_returntorejected,execution.getProcessInstanceId());//rejectnode,rejecttaskid,newtaskid
}
else
{
ConfigSQLExecutor executor = Context.getProcessEngineConfiguration().getExtendExecutor();
executor.insert("recoredrejectedlog", taskContext.getRejectednode(),taskContext.getRejectedtaskid(),newtask.getId(),taskContext.getOp(),execution.getProcessInstanceId());//rejectnode,rejecttaskid,newtaskid
}
}
else if(taskContext.isIswithdraw())
{
ConfigSQLExecutor executor = Context.getProcessEngineConfiguration().getExtendExecutor();
executor.insert("recoredrejectedlog",
taskContext.getRejectednode(),
taskContext.getRejectedtaskid(),
newtask.getId(),
taskContext.getOp(),execution.getProcessInstanceId());//rejectnode,rejecttaskid,newtaskid
}
else if(taskContext.isIsjump())
{
ConfigSQLExecutor executor = Context.getProcessEngineConfiguration().getExtendExecutor();
executor.insert("recoredrejectedlog",
taskContext.getRejectednode(),
taskContext.getRejectedtaskid(),
newtask.getId(),
taskContext.getOp(),execution.getProcessInstanceId());//rejectnode,rejecttaskid,newtaskid
}
else if(fromsequnce)
{
TaskRejectLog taskRejectLog = taskContext.getTaskRejectLog();//串行多实例任务，后续任务记录驳回点轨迹记录（从前面的的任务复制驳回点轨迹）
if(taskRejectLog != null)
{
ConfigSQLExecutor executor = Context.getProcessEngineConfiguration().getExtendExecutor();
executor.insert("recoredrejectedlog", taskRejectLog.getREJECTNODE(),taskRejectLog.getREJECTTASKID(),newtask.getId(),taskRejectLog.getOPTYPE(),execution.getProcessInstanceId());//rejectnode,rejecttaskid,newtaskid
}
}
}
}
public void execute(ActivityExecution execution) throws Exception {
execute( execution,false);
}
public void execute(ActivityExecution execution,boolean fromsequence) throws Exception {
if(execution.getTaskContext().isCOPY() || execution.getTaskContext().isNotify())
{
Context.getCommandContext().getHistoryManager()
.recordCopyUseTaskActivityComplete((ExecutionEntity) execution);
String BUSSINESSCONTROLCLASS = TaskContext.CopyTaskBehavior;
JavaDelegate javaDelegate = Context.getJavaDelegate(BUSSINESSCONTROLCLASS);
super.execute(execution, javaDelegate);
super.leave(execution);
}
else if(execution.getTaskContext().isHasassignee())
{
_execute(execution,fromsequence);
}
else
{
Context.getCommandContext().getHistoryManager()
.recordUseTaskActivityAutoComplete((ExecutionEntity) execution);
String BUSSINESSCONTROLCLASS = execution.getTaskContext().getBUSSINESSCONTROLCLASS();
if(StringUtil.isNotEmpty(BUSSINESSCONTROLCLASS))
{
JavaDelegate javaDelegate = Context.getJavaDelegate(BUSSINESSCONTROLCLASS);
super.execute(execution, javaDelegate);
}
super.leave(execution);
}
}
private void _execute(ActivityExecution execution,boolean fromsequnce) throws Exception {
TaskEntity task = TaskEntity.createAndInsert(execution);
recoredrejectedlog( execution, task , fromsequnce);
task.setExecution(execution);
task.setTaskDefinition(taskDefinition);
if (taskDefinition.getNameExpression() != null) {
String name = (String) taskDefinition.getNameExpression().getValue(execution);
task.setName(name);
}
if (taskDefinition.getDescriptionExpression() != null) {
String description = (String) taskDefinition.getDescriptionExpression().getValue(execution);
task.setDescription(description);
}
if(taskDefinition.getDueDateExpression() != null) {
Object dueDate = taskDefinition.getDueDateExpression().getValue(execution);
if(dueDate != null) {
if (dueDate instanceof Date) {
task.setDueDate((Date) dueDate);
} else if (dueDate instanceof String) {
task.setDueDate(new DueDateBusinessCalendar().resolveDuedate((String) dueDate));
} else {
throw new ActivitiIllegalArgumentException("Due date expression does not resolve to a Date or Date string: " +
taskDefinition.getDueDateExpression().getExpressionText());
}
}
}
if (taskDefinition.getPriorityExpression() != null) {
final Object priority = taskDefinition.getPriorityExpression().getValue(execution);
if (priority != null) {
if (priority instanceof String) {
try {
task.setPriority(Integer.valueOf((String) priority));
} catch (NumberFormatException e) {
throw new ActivitiIllegalArgumentException("Priority does not resolve to a number: " + priority, e);
}
} else if (priority instanceof Number) {
task.setPriority(((Number) priority).intValue());
} else {
throw new ActivitiIllegalArgumentException("Priority expression does not resolve to a number: " +
taskDefinition.getPriorityExpression().getExpressionText());
}
}
}
handleAssignments(task, execution);
// All properties set, now firing 'create' event
task.fireEvent(TaskListener.EVENTNAME_CREATE);
}
public void signal(ActivityExecution execution, String signalName, Object signalData) throws Exception {
leave(execution);
}
// public void signal(ActivityExecution execution, String signalName, Object signalData,TaskContext taskContext) throws Exception {
// leave(execution, taskContext);
// }
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void handleAssignments(TaskEntity task, ActivityExecution execution) {
boolean parserkpi = false;
if (taskDefinition.getAssigneeExpression() != null) {
String assignee = null;
if(this.isUseMixUsetask())
{
if(execution.getTaskContext().isIsmulti())
{
assignee = (String)execution.getVariable(this.getCollectionElementVariable());
}
else
{
assignee = (String) taskDefinition.getAssigneeExpression().getValue(execution);
}
}
else
{
assignee = (String) taskDefinition.getAssigneeExpression().getValue(execution);
}
List<String> candiates = new ArrayList<String>();
if(assignee != null )
{
if(assignee.indexOf(",") >0)
{
String[] ases = assignee.split("\\,");
candiates = Arrays.asList(ases);
task.addCandidateUsers(candiates);
}
else
{
candiates.add(assignee);
task.setAssignee(assignee);
}
}
if(!parserkpi)//设置流程kpi指标
{
KPI kpi = null;
try
{
kpi = Context.getProcessEngineConfiguration().getKPIService().buildKPI(execution, candiates,task.getCreateTime());
}
catch(Exception e)
{
log.warn("BuildKPI failed:",e);
}
if(kpi != null)
{
task.setALERTTIME(kpi.getALERTTIME());
task.setOVERTIME(kpi.getOVERTIME());
task.setIS_CONTAIN_HOLIDAY(kpi.getIS_CONTAIN_HOLIDAY());
task.setDURATION_NODE(kpi.getDURATION_NODE());
task.setNOTICERATE(kpi.getNOTICERATE());
task.synstatetoHistory();
}
parserkpi = true;
}
}
if (!taskDefinition.getCandidateGroupIdExpressions().isEmpty()) {
for (Expression groupIdExpr : taskDefinition.getCandidateGroupIdExpressions()) {
Object value = groupIdExpr.getValue(execution);
if (value instanceof String) {
List<String> candiates = extractCandidates((String) value);
task.addCandidateGroups(candiates);
} else if (value instanceof Collection) {
task.addCandidateGroups((Collection) value);
} else {
throw new ActivitiIllegalArgumentException("Expression did not resolve to a string or collection of strings");
}
}
}
if (!taskDefinition.getCandidateUserIdExpressions().isEmpty()) {
for (Expression userIdExpr : taskDefinition.getCandidateUserIdExpressions()) {
Object value = null;
if(this.isUseMixUsetask())
{
if(execution.getTaskContext().isIsmulti())
{
value = (String)execution.getVariable(this.getCollectionElementVariable());
}
else
{
value = userIdExpr.getValue(execution);
}
}
else
{
value = userIdExpr.getValue(execution);
}
if (value instanceof String) {
List<String> candiates = extractCandidates((String) value);
if(candiates.size() == 1)
{
// task.addCandidateUsers(candiates);
task.setAssignee(candiates.get(0));
}
else
{
task.addCandidateUsers(candiates);
}
if(!parserkpi)//设置流程kpi指标
{
KPI kpi = null;
try
{
kpi = Context.getProcessEngineConfiguration().getKPIService().buildKPI(execution, candiates,task.getCreateTime());
}
catch(Exception e)
{
log.warn("BuildKPI Service failed:",e);
}
if(kpi != null)
{
task.setALERTTIME(kpi.getALERTTIME());
task.setOVERTIME(kpi.getOVERTIME());
task.setIS_CONTAIN_HOLIDAY(kpi.getIS_CONTAIN_HOLIDAY());
task.setDURATION_NODE(kpi.getDURATION_NODE());
task.setNOTICERATE(kpi.getNOTICERATE());
task.synstatetoHistory();
}
parserkpi = true;
}
} else if (value instanceof Collection) {
Collection c = (Collection)value;
if(c.size() == 1)
{
// task.addCandidateUsers(candiates);
task.setAssignee(String.valueOf(c.iterator().next()));
}
else
{
task.addCandidateUsers(c);
}
if(!parserkpi)
{
KPI kpi = null;
try
{
kpi = Context.getProcessEngineConfiguration().getKPIService().buildKPI(execution, (Collection) value,task.getCreateTime());
}
catch(Exception e)
{
log.warn("BuildKPI Service failed:",e);
}
if(kpi != null)
{
task.setALERTTIME(kpi.getALERTTIME());
task.setOVERTIME(kpi.getOVERTIME());
task.setIS_CONTAIN_HOLIDAY(kpi.getIS_CONTAIN_HOLIDAY());
task.setDURATION_NODE(kpi.getDURATION_NODE());
task.setNOTICERATE(kpi.getNOTICERATE());
task.synstatetoHistory();
}
parserkpi = true;
}
} else {
throw new ActivitiException("Expression did not resolve to a string or collection of strings");
}
}
}
}
/**
* Extract a candidate list from a string.
*
* @param str
* @return
*/
protected List<String> extractCandidates(String str) {
return Arrays.asList(str.split("[\\s]*,[\\s]*"));
}
// getters and setters //////////////////////////////////////////////////////
public TaskDefinition getTaskDefinition() {
return taskDefinition;
}
}