activiti 排他网管 ：判断流程走向（十四）

package com.base.pf.m150workflow.f070task.controller;

import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.ExecutionListener;
import org.activiti.engine.impl.el.FixedValue;
import org.springframework.web.context.ContextLoader;
import org.springframework.web.context.WebApplicationContext;

import com.base.pf.m150workflow.f070task.service.TasksService;
import com.base.pf.m150workflow.f070task.service.VariableService;

/**
 * 排他网管：执行监听

 * 该类是为了根据业务ID，表名，字段，查询该业务值，来判断流程走向
 * 
 * @author ZHEN.L
 * 
 */
public class GateWayTaskListiner implements ExecutionListener {

	private static final long serialVersionUID = 102702298968012874L;

	private VariableService variableService;
	private TasksService tasksService;

	private FixedValue tableName; // 同流程图中名称
	private FixedValue tableField; // 同流程图中字段名称

	public void notify(DelegateExecution task) throws Exception {
		String table = String.valueOf(tableName.getValue(task));
		String field = String.valueOf(tableField.getValue(task));
		WebApplicationContext context = ContextLoader
				.getCurrentWebApplicationContext();
		tasksService = (TasksService) context.getBean("tasksService");
		variableService = (VariableService) context.getBean("variableService");
		String bussinessId = tasksService
				.findBussinessIdByProcessInstanceId(task.getProcessInstanceId());
		Object value = variableService.findVariable(table, field, bussinessId);
		task.setVariable(field, value);
	}

	public FixedValue getTableName() {
		return tableName;
	}

	public void setTableName(FixedValue tableName) {
		this.tableName = tableName;
	}

	public FixedValue getTableField() {
		return tableField;
	}

	public void setTableField(FixedValue tableField) {
		this.tableField = tableField;
	}

}