com.alogic.xscript.plugins.Decr Maven / Gradle / Ivy
package com.alogic.xscript.plugins;
import com.alogic.xscript.AbstractLogiclet;
import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.doc.XsObject;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import org.apache.commons.lang3.StringUtils;
/**
* 对整形变量执行累减操作
*
* @author yyduan
*
* @since 1.6.10.1
*
* @version 1.6.11.16 [20180207 duanyy]
* - value缺省值由0更改为1;
*
* @version 1.6.12.40 [20190814]
* - id参数支持计算
*/
public class Decr extends AbstractLogiclet {
protected String $id;
protected String value = "1";
public Decr(String tag, Logiclet p) {
super(tag, p);
}
@Override
public void configure(Properties p){
super.configure(p);
$id = PropertiesConstants.getRaw(p,"id","");
value = PropertiesConstants.getRaw(p,"value",value);
}
@Override
protected void onExecute(XsObject root,XsObject current,final LogicletContext ctx,final ExecuteWatcher watcher){
String id = PropertiesConstants.transform(ctx,$id,"");
if (StringUtils.isNotEmpty(id)) {
long oldValue = getLong(ctx.GetValue(id, "0"), 0);
long incrValue = getLong(ctx.transform(value), 0);
ctx.SetValue(id, String.valueOf(oldValue - incrValue));
}
}
protected long getLong(String v,long dft){
try{
return Long.parseLong(v);
}catch (NumberFormatException ex){
return dft;
}
}
}