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后台执行器，定时器框架
There is a newer version: 1.6.17
package com.alogic.timer.core;

import java.util.HashMap;
import java.util.Map;

import org.w3c.dom.Element;

import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.Script;
import com.alogic.xscript.doc.XsObject;
import com.alogic.xscript.doc.json.JsonObject;
import com.alogic.xscript.log.LogInfo;
import com.anysoft.util.Properties;
import com.anysoft.util.XmlElementProperties;
import com.anysoft.util.XmlTools;


/**
 * 脚本处理者
 * 
 * @author duanyy
 * @since 1.6.3.37
 * 
 * @version 1.6.3.38 [duanyy 20150812] 

 * - 去掉编译和执行日志 

 * 
 * @version 1.6.4.16 [duanyy 20151110] 

 * - 根据sonar建议优化代码 

 * 
 * @version 1.6.8.14 [20170509 duanyy] 

 * - 增加xscript的中间文档模型,以便支持多种报文协议 

 */
public class ScriptDoer extends Doer.Abstract{
	protected Logiclet stmt = null;
	
	@Override
	public void execute(Task task) {
		if (stmt == null){
			LOG.error("The script is null");
			return ;
		}		
		try {
			// 向队列报告任务已经开始
			reportState(Task.State.Running, 0);
			Map root = new HashMap();
			XsObject doc = new JsonObject("root",root);
			
			LogicletContext ctx = new LogicletContext(task.getParameters());
			// 执行任务
			stmt.execute(doc, doc, ctx, null);
			// 任务完成
			reportState(Task.State.Done, 10000);
		} catch (Exception t) {
			LOG.error("Failed to execute script", t);
			// 任务失败
			reportState(Task.State.Failed, 10000);
		}
	}

	@Override
	public void configure(Element _e, Properties _properties){
		Properties p = new XmlElementProperties(_e,_properties);
		configure(p);		
		
		Element script = XmlTools.getFirstElementByPath(_e, "script");
		if (script != null){
			stmt = new TheScript(this, "script");
			stmt.configure(script, p);
		}
	}

	
	/**
	 * 处理进度报告
	 * 
	 * @param logInfo 日志信息
	 */
	public void report(LogInfo logInfo) {
		Task currentTask = getCurrentTask();
		if (currentTask != null){
			//当前有任务处理才有意义
			String id = logInfo.activity();
			String taskId = currentTask.id();
			
			if (id.equals(taskId)){
				//报告的是整个任务的进度
				int progress = logInfo.progress();
				
				if (progress >= -1){
					//百分比进度
					reportState(Task.State.Running, progress);
				}
			}
		}
	}	
	
	/**
	 * TheScript
	 * 
	 * 对xscript中的Script进行了重写，重点在截取日志信息。
	 * 
	 * @author duanyy
	 *
	 */
	protected static class TheScript extends Script{
		protected ScriptDoer doer = null;
		
		public TheScript(ScriptDoer _doer,String xmlTag) {
			super(xmlTag, null);
			doer = _doer;
		}
		@Override
		public void log(LogInfo logInfo){
			super.log(logInfo);
			if (doer != null){
				doer.report(logInfo);
			}			
		}
	}
}