com.logicbus.kvalue.xscript.zset.KVZIncrby Maven / Gradle / Ivy
package com.logicbus.kvalue.xscript.zset;
import java.util.Map;
import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.logicbus.kvalue.xscript.KVRowOperation;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import com.logicbus.kvalue.core.KeyValueRow;
import com.logicbus.kvalue.core.SortedSetRow;
/**为有序集 key 的成员 item 的 score 值加上增量 increment 。
* 返回成员的新 score 值
* @author zhongyi
*
*/
public class KVZIncrby extends KVRowOperation {
protected String item = "";
protected String increment = "0";
public KVZIncrby(String tag, Logiclet p) {
super(tag, p);
}
@Override
public void configure(Properties p) {
super.configure(p);
item = PropertiesConstants.getRaw(p, "item", item);
increment = PropertiesConstants.getRaw(p, "increment", increment);
}
@Override
protected void onExecute(KeyValueRow row, Map root, Map current,
LogicletContext ctx, ExecuteWatcher watcher) {
if (row instanceof SortedSetRow) {
SortedSetRow r = (SortedSetRow) row;
ctx.SetValue(id, String.valueOf(r.incr(ctx.transform(item), getDouble(ctx.transform(increment), 0d))));
}
}
}