/**
* Copyright 1996-2013 Founder International Co.,Ltd.
*
* 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.
*
* @author kenshin
*/
package com.founder.fix.fixflow.core.impl.cmd;
import java.util.Map;
import org.eclipse.bpmn2.BaseElement;
import org.eclipse.bpmn2.FlowNode;
import com.founder.fix.fixflow.core.exception.FixFlowException;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.command.MessageStartProcessInstanceCommand;
import com.founder.fix.fixflow.core.impl.interceptor.Command;
import com.founder.fix.fixflow.core.impl.interceptor.CommandContext;
import com.founder.fix.fixflow.core.impl.persistence.ProcessDefinitionManager;
import com.founder.fix.fixflow.core.impl.runtime.ProcessInstanceEntity;
import com.founder.fix.fixflow.core.runtime.ProcessInstance;
public class MessageStartProcessInstanceCmd <T> implements Command<ProcessInstance>{
/**
* 流程定义id，唯一编号,不能为空。(数据库中的 id)
*/
protected String processDefinitionId;
/**
* 流程定义key(xml定义里的 process id,数据库中的 key)
*/
protected String processDefinitionKey;
/**
* 业务关联键
*/
protected String businessKey;
/**
* 启动
*/
protected String startAuthor;
/**
* 瞬态流程实例变量Map
*/
protected Map<String, Object> transientVariables = null;
/**
* 持久化流程实例变量Map
*/
protected Map<String, Object> variables = null;
protected String messageId;
protected String nodeId;
/**
* 流程实例启动操作
* @param processDefinitionKey
* @param processDefinitionId
* @param businessKey
* @param startAuthor
* @param transientVariables
* @param variables
*/
public MessageStartProcessInstanceCmd(MessageStartProcessInstanceCommand messageStartProcessInstanceCommand) {
String processDefinitionKey=messageStartProcessInstanceCommand.getProcessDefinitionKey();
String processDefinitionId=messageStartProcessInstanceCommand.getProcessDefinitionId();
String businessKey=messageStartProcessInstanceCommand.getBusinessKey();
String startAuthor=messageStartProcessInstanceCommand.getStartAuthor();
Map<String, Object> transientVariables= messageStartProcessInstanceCommand.getTransientVariables();
Map<String, Object> variables=messageStartProcessInstanceCommand.getVariables();
this.messageId=messageStartProcessInstanceCommand.getMessageId();
this.nodeId=messageStartProcessInstanceCommand.getNodeId();
this.processDefinitionKey = processDefinitionKey;
this.processDefinitionId = processDefinitionId;
this.businessKey = businessKey;
this.startAuthor = startAuthor;
this.transientVariables = transientVariables;
this.variables = variables;
}
public ProcessInstance execute(CommandContext commandContext) {
ProcessDefinitionManager processDefinitionManager = commandContext.getProcessDefinitionManager();
ProcessDefinitionBehavior processDefinition = null;
if (processDefinitionId != null) {
processDefinition = processDefinitionManager.findLatestProcessDefinitionById(processDefinitionId);
if (processDefinition == null) {
throw new FixFlowException("通过 processDefinitionId 没有找到指定流程 = '" + processDefinitionId + "'");
}
} else if (processDefinitionKey != null) {
processDefinition = processDefinitionManager.findLatestProcessDefinitionByKey(processDefinitionKey);
if (processDefinition == null) {
throw new FixFlowException("通过 processDefinitionKey 没有找到指定流程 '" + processDefinitionKey + "'");
}
} else {
throw new FixFlowException("processDefinitionKey 和 processDefinitionId 不能都为空");
}
ProcessInstanceEntity processInstanceEntity = null;
try {
processInstanceEntity = processDefinition.createProcessInstance(businessKey);
processInstanceEntity.setStartAuthor(startAuthor);
processInstanceEntity.getContextInstance().setTransientVariableMap(transientVariables);
processInstanceEntity.getContextInstance().setVariableMap(variables);
BaseElement baseElement=processDefinition.getDefinitions().getElement(nodeId);
if(baseElement !=null){
processInstanceEntity.start((FlowNode)baseElement);
}
else{
throw new FixFlowException("没有找到messageId为 "+ messageId+" 的消息启动节点");
}
commandContext.getProcessInstanceManager().saveProcessInstance(processInstanceEntity);
} catch (Exception e) {
throw new FixFlowException("流程实例启动异常! "+ e.getMessage(), e);
}
return processInstanceEntity;
}
}