com.alogic.event.handler.Script Maven / Gradle / Ivy
package com.alogic.event.handler;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.w3c.dom.Element;
import com.alogic.event.Event;
import com.alogic.event.EventProperties;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.doc.XsObject;
import com.alogic.xscript.doc.json.JsonObject;
import com.anysoft.stream.Handler;
import com.anysoft.stream.ScriptHandler;
import com.anysoft.util.BaseException;
import com.anysoft.util.Factory;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import com.anysoft.util.Settings;
import com.anysoft.util.XmlTools;
/**
* 脚本处理
*
* @author yyduan
* @version 1.6.11.26 [20180328 duanyy]
* - 支持dispatcher，用于触发进一步事件处理
*
* @version 1.6.12.38 [20190715]
* - 将event对象作为上下文对象
*/
public class Script extends ScriptHandler{
protected Handler dispatcher = null;
@Override
protected void onConfigure(Element e, Properties p) {
super.onConfigure(e, p);
Element dispatcherElem = XmlTools.getFirstElementByPath(e, "dispatcher");
if (dispatcherElem != null){
Factory> factory = new Factory>();
dispatcher = factory.newInstance(dispatcherElem, p);
}
}
@Override
protected void onHandle(Event evt, long timestamp) {
if (stmt == null){
LOG.error("The script is null");
return ;
}
String result = "core.ok";
String reason = "ok";
try {
Map root = new HashMap();
evt.toJson(root);
XsObject doc = new JsonObject("root",root);
LogicletContext ctx = new LogicletContext(new EventProperties(evt,Settings.get()));
ctx.SetValue("$task", evt.id());
ctx.SetValue("$event", evt.getEventType());
ctx.SetValue("$async", BooleanUtils.toStringTrueFalse(evt.isAsync()));
if (dispatcher != null){
ctx.setObject("$dispatcher", dispatcher);
}
ctx.setObject("$event-read",evt);
try {
stmt.execute(doc, doc, ctx, null);
}finally {
ctx.removeObject("$event-read");
ctx.removeObject("$dispatcher");
}
result = PropertiesConstants.getString(ctx, "$code", result);
reason = PropertiesConstants.getString(ctx, "$reason", reason);
}catch (BaseException ex){
result = ex.getCode();
reason = ex.getMessage();
LOG.error(ExceptionUtils.getStackTrace(ex));
}finally{
Handler dftHandler = this.getSlidingHandler();
if (dftHandler != null){
evt.setProperty("$code", result, true);
evt.setProperty("$reason", reason, true);
dftHandler.handle(evt, timestamp);
}
}
}
}