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

import java.util.StringTokenizer;
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 {
	private static final Logger logger = ControllerWorkerMain.getLogger();;

	@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();
		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);
		}

		String gearmanServerHost = ControllerWorkerMain.getApplication_ini().getString(
				"gearman.server.host");
		int gearmanServerPort = Integer.parseInt(ControllerWorkerMain
				.getApplication_ini().getString("gearman.server.port"));
		long waitTime = Long.parseLong(ControllerWorkerMain.getApplication_ini()
				.getString("gearman.worker.waitTime"));
		int updateRate = Integer.parseInt(ControllerWorkerMain.getApplication_ini()
				.getString("gearman.worker.updateRate"));
		String blacklist = ControllerWorkerMain.getApplication_ini().getString(
				"gearman.worker.ps.blacklist");
		StringTokenizer blacklistTokenizer = new StringTokenizer(blacklist, ",");
		String whitelist = ControllerWorkerMain.getApplication_ini().getString(
				"gearman.worker.ps.whitelist");
		StringTokenizer whitelistTokenizer = new StringTokenizer(whitelist, ",");
		Vector<String> psWhitelist = new Vector<String>();
		Vector<String> psBlacklist = new Vector<String>();
		while (whitelistTokenizer.hasMoreTokens()) {
			String whiteEntry = whitelistTokenizer.nextToken();
			psWhitelist.add(whiteEntry);
		}
		while (blacklistTokenizer.hasMoreTokens()) {
			String blackEntry = blacklistTokenizer.nextToken();
			psBlacklist.add(blackEntry);
		}

		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;
	}
}