com.logicbus.kvalue.xscript.KVExist Maven / Gradle / Ivy
package com.logicbus.kvalue.xscript;
import java.util.Map;
import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.logicbus.kvalue.core.KeyValueRow;
/**
* 当前ROW是否存在，将结果存入指定变量
*
* @author duanyy
*
*/
public class KVExist extends KVRowOperation {
public KVExist(String tag, Logiclet p) {
super(tag, p);
}
@Override
protected void onExecute(KeyValueRow row, Map root, Map current,
LogicletContext ctx, ExecuteWatcher watcher) {
ctx.SetValue(id, Boolean.toString(row.exists()));
}
}