com.logicbus.kvalue.xscript.set.KVSUnionStore Maven / Gradle / Ivy
package com.logicbus.kvalue.xscript.set;
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.SetRow;
/**这个命令类似于 SUNION 命令，但它将结果保存到 dstKey 集合，而不是简单地返回结果集。
*如果 dstKey 已经存在，则将其覆盖。
*dstKey 可以是 key 本身。
*
* @author zhongyi
*
*/
public class KVSUnionStore extends KVRowOperation {
protected String others = "";
protected String dstKey = "";
protected String delimeter = ";";
public KVSUnionStore(String tag, Logiclet p) {
super(tag, p);
}
@Override
public void configure(Properties p) {
super.configure(p);
others = PropertiesConstants.getRaw(p, "others", others);
dstKey = PropertiesConstants.getRaw(p, "dstKey", dstKey);
delimeter = PropertiesConstants.getRaw(p, "delimeter", delimeter);
}
@Override
protected void onExecute(KeyValueRow row, Map root, Map current,
LogicletContext ctx, ExecuteWatcher watcher) {
if (row instanceof SetRow) {
SetRow r = (SetRow) row;
ctx.SetValue(id, String.valueOf(r.unionStore(dstKey, null,ctx.transform(others).split(delimeter))));
}
}
}