/*
* Copyright 2007-2009 非也
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation。
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses.
*/
package org.fireflow.engine.taskinstance;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.fireflow.engine.EngineException;
import org.fireflow.engine.IProcessInstance;
import org.fireflow.engine.ITaskInstance;
import org.fireflow.engine.IWorkflowSession;
import org.fireflow.engine.RuntimeContext;
import org.fireflow.engine.definition.WorkflowDefinition;
import org.fireflow.engine.impl.TaskInstance;
import org.fireflow.engine.persistence.IPersistenceService;
import org.fireflow.kernel.KernelException;
import org.fireflow.model.DataField;
import org.fireflow.model.SubflowTask;
import org.fireflow.model.Task;
import org.fireflow.model.WorkflowProcess;
import org.fireflow.model.resource.SubWorkflowProcess;
/**
*
* @author 非也
* @version 1.0
* Created on Mar 21, 2009
*/
public class DefaultSubflowTaskInstanceRunner implements ITaskInstanceRunner {
/* (non-Javadoc)
* @see org.fireflow.engine.taskinstance.ITaskInstanceRunner#run(org.fireflow.engine.IWorkflowSession, org.fireflow.engine.RuntimeContext, org.fireflow.engine.IProcessInstance, org.fireflow.engine.ITaskInstance)
*/
public void run(IWorkflowSession currentSession, RuntimeContext runtimeContext, IProcessInstance processInstance,
ITaskInstance taskInstance) throws EngineException, KernelException {
if (!Task.SUBFLOW.equals(taskInstance.getTaskType())) {
throw new EngineException(processInstance,
taskInstance.getActivity(),
"DefaultSubflowTaskInstanceRunner：TaskInstance的任务类型错误，只能为SUBFLOW类型");
}
Task task = taskInstance.getTask();
SubWorkflowProcess Subflow = ((SubflowTask) task).getSubWorkflowProcess();
WorkflowDefinition subWorkflowDef = runtimeContext.getDefinitionService().getTheLatestVersionOfWorkflowDefinition(Subflow.getWorkflowProcessId());
if (subWorkflowDef == null) {
WorkflowProcess parentWorkflowProcess = taskInstance.getWorkflowProcess();
throw new EngineException(taskInstance.getProcessInstanceId(), parentWorkflowProcess,
taskInstance.getTaskId(),
"系统中没有Id为" + Subflow.getWorkflowProcessId() + "的流程定义");
}
WorkflowProcess subWorkflowProcess = subWorkflowDef.getWorkflowProcess();
if (subWorkflowProcess == null) {
WorkflowProcess parentWorkflowProcess = taskInstance.getWorkflowProcess();
throw new EngineException(taskInstance.getProcessInstanceId(), parentWorkflowProcess,
taskInstance.getTaskId(),
"系统中没有Id为" + Subflow.getWorkflowProcessId() + "的流程定义");
}
IPersistenceService persistenceService = runtimeContext.getPersistenceService();
//更改任务的状态和开始时间
((TaskInstance) taskInstance).setState(ITaskInstance.RUNNING);
((TaskInstance) taskInstance).setStartedTime(runtimeContext.getCalendarService().getSysDate());
//TODO wmj2003 应该是update TaskInstance
persistenceService.saveOrUpdateTaskInstance(taskInstance);
IProcessInstance subProcessInstance = currentSession.createProcessInstance(subWorkflowProcess.getName(),taskInstance);
//初始化流程变量,从父实例获得初始值
Map<String ,Object> processVars = ((TaskInstance) taskInstance).getAliveProcessInstance().getProcessInstanceVariables();
List<DataField> datafields = subWorkflowProcess.getDataFields();
for (int i = 0; datafields != null && i < datafields.size(); i++) {
DataField df = datafields.get(i);
//TODO wmj2003 疑问，这里的逻辑都不对吧？ 直接 subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
//还需要判断什么类型啊？反正value是Object
if (df.getDataType().equals(DataField.STRING)) {
if (processVars.get(df.getName()) != null && (processVars.get(df.getName()) instanceof String)) {
subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
} else if (df.getInitialValue() != null) {
subProcessInstance.setProcessInstanceVariable(df.getName(), df.getInitialValue());
} else {
subProcessInstance.setProcessInstanceVariable(df.getName(), "");
}
} else if (df.getDataType().equals(DataField.INTEGER)) {
if (processVars.get(df.getName()) != null && (processVars.get(df.getName()) instanceof Integer)) {
subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
} else if (df.getInitialValue() != null) {
try {
Integer intValue = new Integer(df.getInitialValue());
subProcessInstance.setProcessInstanceVariable(df.getName(), intValue);
} catch (Exception e) {
}
} else {
subProcessInstance.setProcessInstanceVariable(df.getName(), new Integer(0));
}
} else if (df.getDataType().equals(DataField.FLOAT)) {
if (processVars.get(df.getName()) != null && (processVars.get(df.getName()) instanceof Float)) {
subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
} else if (df.getInitialValue() != null) {
Float floatValue = new Float(df.getInitialValue());
subProcessInstance.setProcessInstanceVariable(df.getName(), floatValue);
} else {
subProcessInstance.setProcessInstanceVariable(df.getName(), new Float(0));
}
} else if (df.getDataType().equals(DataField.BOOLEAN)) {
if (processVars.get(df.getName()) != null && (processVars.get(df.getName()) instanceof Boolean)) {
subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
} else if (df.getInitialValue() != null) {
Boolean booleanValue = new Boolean(df.getInitialValue());
subProcessInstance.setProcessInstanceVariable(df.getName(), booleanValue);
} else {
subProcessInstance.setProcessInstanceVariable(df.getName(), Boolean.FALSE);
}
} else if (df.getDataType().equals(DataField.DATETIME)) {
//TODO 需要完善一下 （ 父子流程数据传递——时间类型的数据还未做传递-不知道为什么？）
//wmj2003 20090925 补充上了
if (processVars.get(df.getName()) != null && (processVars.get(df.getName()) instanceof Date)) {
subProcessInstance.setProcessInstanceVariable(df.getName(), processVars.get(df.getName()));
} else if (df.getInitialValue() != null) {
try {
SimpleDateFormat dFormat = new SimpleDateFormat(df.getDataPattern());
Date dateTmp = dFormat.parse(df.getInitialValue());
subProcessInstance.setProcessInstanceVariable(df.getName(), dateTmp);
} catch (ParseException e) {
subProcessInstance.setProcessInstanceVariable(df.getName(), null);
e.printStackTrace();
}
} else {
subProcessInstance.setProcessInstanceVariable(df.getName(), null);
}
}
}
//TODO 应将下面这句删除！这里还需要吗？应该直接subProcessInstance.run()就可以了。
runtimeContext.getPersistenceService().saveOrUpdateProcessInstance(subProcessInstance);
subProcessInstance.run();
}
}