com.logicbus.kvalue.xscript.zset.KVZCountByLex Maven / Gradle / Ivy

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基于Redis的KValue数据库实现

There is a newer version: 1.6.17

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;

public class KVZCountByLex extends KVRowOperation {

	protected String min = "-";
	protected String max = "+";

	public KVZCountByLex(String tag, Logiclet p) {
		super(tag, p);
	}

	@Override
	public void configure(Properties p) {
		super.configure(p);
		min = PropertiesConstants.getRaw(p, "min", min);
		max = PropertiesConstants.getRaw(p, "max", max);
	}

	@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.countByLex(min, max)));
		}

	}

}