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path: root/gearman/controllerWorker/ControllerWorker/ShutdownWorker.java
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package ControllerWorker;

import java.util.Vector;

import org.gearman.client.GearmanJobResult;
import org.gearman.client.GearmanJobResultImpl;
import org.gearman.util.ByteUtils;
import org.gearman.worker.AbstractGearmanFunction;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;

import org.apache.log4j.Logger;

public class ShutdownWorker extends AbstractGearmanFunction {
	static final Logger logger = Logger.getLogger(ShutdownWorker.class);
	@Override
	public String getName() {
		return "shutdown";
	}

	@Override
	public GearmanJobResult executeFunction() {
		
		String data = ByteUtils.fromUTF8Bytes((byte[]) this.data);
		Vector<Client> clients = new Vector<Client>();
		JSONObject jsonObject = (JSONObject) JSONValue.parse(data);
		String event = jsonObject.get("eventName").toString();
		String gearmanServerHost = jsonObject.get("gearmanServerHost")
				.toString();
		int gearmanServerPort = Integer.parseInt(jsonObject.get(
				"gearmanServerPort").toString());
		int updateRate = Integer.parseInt(jsonObject.get("updateRate")
				.toString());
		long waitTime = Long.parseLong(jsonObject.get("waitTime").toString());
		JSONArray jsonArray = (JSONArray) jsonObject.get("clients");

		for (Object clientObj : jsonArray) {
			JSONObject clientJsonObj = (JSONObject) clientObj;
			Client client = new Client(clientJsonObj, "The shutdown process of the client has been started.");
			clients.add(client);
		}

		JSONArray whitelist = (JSONArray) jsonObject.get("whitelist");
		JSONArray blacklist = (JSONArray) jsonObject.get("blacklist");
		Vector<String> psWhitelist = new Vector<String>();
		Vector<String> psBlacklist = new Vector<String>();

		for (Object whiteEntry : whitelist) {
			psWhitelist.add(whiteEntry.toString());
		}

		for (Object blackEntry : blacklist) {
			psBlacklist.add(blackEntry.toString());
		}

		Shutdown shutdown = new Shutdown(event, clients, updateRate, waitTime,
				psWhitelist, psBlacklist, gearmanServerHost, gearmanServerPort);
		StatusWorker.SHUTDOWNTHREADS.put(event, shutdown);
		shutdown.start();
		logger.info("Shutdown of " + event + " started");
		String res = "Shutdown started";

		byte[] warnings = new byte[0];
		byte[] exceptions = new byte[0];
		int numerator = 0;
		int denominator = 0;
		GearmanJobResult gjr = new GearmanJobResultImpl(this.jobHandle, true,
				res.getBytes(), warnings, exceptions, numerator, denominator);
		return gjr;
	}
}