/***
 * 
 * 
 * @描(miao)述 任務(wu)線程池(chi)
 */
public class DumpExecuteService {

    private static ExecutorService dumpServerWorkerService; // 游(you)戲服任(ren)務
    private static ExecutorService dumpTableWorkerService; // 表數(shu)據任務
    private static ExecutorService dumpReaderWorkerService; // 讀取數據任務
    private static ExecutorService dumpWriterWorkerService; // 寫(xie)數據(ju)結果任務

    /***
     * 初始化任(ren)務線程池
     * @param concurrencyDBCount 并(bing)發數量(liang)
     */
    public synchronized static void startup(int concurrencyDBCount) {

        if (dumpServerWorkerService != null)
            return;

        if (concurrencyDBCount > 2)
            concurrencyDBCount = 2; // 最多支持兩(liang)個數(shu)據(ju)庫任務并發執行(xing)

        if (concurrencyDBCount < 1)
            concurrencyDBCount = 1;

        dumpServerWorkerService = Executors.newFixedThreadPool(concurrencyDBCount, new NamedThreadFactory(
                "DumpExecuteService.dumpServerWorkerService" + System.currentTimeMillis()));
        dumpTableWorkerService = Executors.newFixedThreadPool(2, new NamedThreadFactory("DumpExecuteService.dumpTableWorkerService"
                + System.currentTimeMillis()));
        dumpWriterWorkerService = Executors.newFixedThreadPool(8, new NamedThreadFactory("DumpExecuteService.dumpWriterWorkerService"
                + System.currentTimeMillis()));
        dumpReaderWorkerService = Executors.newFixedThreadPool(2, new NamedThreadFactory("DumpExecuteService.dumpReaderWorkerService"
                + System.currentTimeMillis()));
    }

    public static Future<Integer> submitDumpServerWorker(DumpServerWorkerLogic worker) {
        return dumpServerWorkerService.submit(worker);
    }

    public static Future<Integer> submitDumpWriteWorker(DumpWriteWorkerLogic worker) {
        return dumpWriterWorkerService.submit(worker);
    }

    public static Future<Integer> submitDumpReadWorker(DumpReadWorkerLogic worker) {
        return dumpReaderWorkerService.submit(worker);
    }

    public static Future<Integer> submitDumpTableWorker(DumpTableWorkerLogic worker) {
        return dumpTableWorkerService.submit(worker);
    }

    /***
     * 關閉線程池
     */
    public synchronized static void shutdown() {

        //執行線程池(chi)關(guan)閉...
    }
}

/**
 * 1) 獲取 游戲服log庫數據庫連接 
   2) 依次處理單張表
 */
public class DumpServerWorkerLogic extends AbstractLogic implements Callable<Integer> {
    private static Logger logger = LoggerFactory.getLogger(DumpServerWorkerLogic.class);

    private final ServerPO server;// 數據庫

    private final String startDate;// 開始時間

    private SourceType sourceType;// 數(shu)據來(lai)源類(lei)型

    private Map<String, Integer> resultDBMap;// 表記(ji)錄計數(shu)

    private GameType gameType;

    public DumpServerWorkerLogic(ServerPO server, String startDate, SourceType sourceType, Map<String, Integer> resultDBMap,
            GameType gameType) {
        CheckUtil.checkNotNull("DumpServerWorkerLogic.server", server);
        CheckUtil.checkNotNull("DumpServerWorkerLogic.startDate", startDate);
        CheckUtil.checkNotNull("DumpServerWorkerLogic.sourceType", sourceType);
        CheckUtil.checkNotNull("DumpServerWorkerLogic.resultDBMap", resultDBMap);
        CheckUtil.checkNotNull("DumpServerWorkerLogic.gameType", gameType);

        this.server = server;
        this.startDate = startDate;
        this.sourceType = sourceType;
        this.resultDBMap = resultDBMap;
        this.gameType = gameType;
    }

    @Override
    public Integer call() {

        // 獲取(qu)連接, 并取(qu)得該庫的所(suo)有表(biao)
        Connection conn = null;
        try {
            conn = JdbcUtils.getDbConnection(server);
        }
        catch (Exception e) {
            throw new GameRuntimeException(e.getMessage(), e);
        }
        List<String> tableNames = null;
        DumpDbInfoBO dumpDbInfoBO = DumpConfig.getDumpDbInfoBO();

        int totalRecordCount = 0;
        try {
            switch (this.sourceType) {
            case GAME_LOG:
                tableNames = JdbcUtils.getAllTableNames(conn);
                break;
            case INFOCENTER:
                tableNames = dumpDbInfoBO.getIncludeInfoTables();
                tableNames.add("pay_action");
                break;
            case EVENT_LOG:
                tableNames = new ArrayList<String>();
                Date date = DateTimeUtil.string2Date(startDate, "yyyy-MM-dd");
                String sdate = DateTimeUtil.date2String(date, "yyyyMMdd");
                String smonth = DateTimeUtil.date2String(date, "yyyyMM");
                tableNames.add("log_device_startup" + "_" + smonth);
                tableNames.add("log_device" + "_" + sdate);
                break;
            }

            // 遍歷table
            for (String tableName : tableNames) {
                // 過(guo)濾(lv)
                if (dumpDbInfoBO.getExcludeTables().contains(tableName))
                    continue;
                DumpTableWorkerLogic tableTask = new DumpTableWorkerLogic(conn, server, tableName, startDate, resultDBMap,
                        gameType, sourceType);
                Future<Integer> tableFuture = DumpExecuteService.submitDumpTableWorker(tableTask);
                int count = tableFuture.get();
                totalRecordCount += count;
                logger.info(String.format("DumpServerWorkerLogic %s-%s.%s be done", startDate, server.getLogDbName(), tableName));
            }
            return totalRecordCount;
        } catch (Exception e) {
            throw new GameRuntimeException(e, "DumpTableWorkerLogic fail. server={%s}, errorMsg={%s} ",server.getId(), e.getMessage());
        } finally {
            JdbcUtils.closeConnection(conn);
        }

    }

}

/***
 * 
 * 
 * @描述(shu) 創建一個表查(cha)詢結果寫(xie)任(ren)務(wu) (一個表一個)
 */
public class DumpTableWorkerLogic implements Callable<Integer> {
    private static Logger logger = LoggerFactory.getLogger(DumpTableWorkerLogic.class);

    private final String tableName;
    private final Connection conn;

    private ServerPO server;

    private String startDate;

    private Map<String, Integer> resultDBMap;// 表記錄(lu)計(ji)數(shu)

    private GameType gameType;

    private SourceType sourceType;// 數據來源類型

    public DumpTableWorkerLogic(Connection conn, ServerPO server, String tableName, String startDate, Map<String, Integer> resultDBMap,
            GameType gameType, SourceType sourceType) {
        CheckUtil.checkNotNull("DumpTableWorkerLogic.conn", conn);
        CheckUtil.checkNotNull("DumpTableWorkerLogic.tableName", tableName);
        CheckUtil.checkNotNull("DumpTableWorkerLogic.server", server);
        CheckUtil.checkNotNull("DumpTableWorkerLogic.startDate", startDate);
        CheckUtil.checkNotNull("DumpTableWorkerLogic.resultDBMap", resultDBMap);
        CheckUtil.checkNotNull("DumpTableWorkerLogic.gameType", gameType);
        CheckUtil.checkNotNull("DumpServerWorkerLogic.sourceType", sourceType);

        this.conn = conn;
        this.tableName = tableName;
        this.server = server;
        this.startDate = startDate;
        this.resultDBMap = resultDBMap;
        this.gameType = gameType;
        this.sourceType = sourceType;

        logger.info("DumpTableWorkerLogic[{}] Reg", tableName);
    }

    @Override
    public Integer call() {
        logger.info("DumpTableWorkerLogic[{}] Start", tableName);

        // 寫檢查(cha)結果任(ren)務
        DumpWriteWorkerLogic writerWorker = new DumpWriteWorkerLogic(server, tableName, startDate, resultDBMap, gameType,
                sourceType);
        Future<Integer> writeFuture = DumpExecuteService.submitDumpWriteWorker(writerWorker);
        logger.info("DumpTableWorkerLogic[{}] writer={}", tableName);

        // 數據查詢任(ren)務
        DumpReadWorkerLogic readerWorker = new DumpReadWorkerLogic(conn, tableName, writerWorker, startDate);
        DumpExecuteService.submitDumpReadWorker(readerWorker);
        logger.info("DumpTableWorkerLogic[{}] reader={}", tableName);

        try {
            int writeCount = writeFuture.get();
            logger.info("DumpTableWorkerLogic[{}] ---" + startDate + "---" + server.getId() + "---" + tableName + "---導出(chu)數據(ju)條數---"
                    + writeCount);
            return writeCount;
        }  catch (Exception e) {
            throw new GameRuntimeException(e, "DumpTableWorkerLogic fail. tableName={%s}, errorMsg={%s} ",tableName, e.getMessage());
        }
    }

}

/***
 * mysql讀取數(shu)據任務
 * 
 */
public class DumpReadWorkerLogic implements Callable<Integer> {

    private static Logger logger = LoggerFactory.getLogger(DumpReadWorkerLogic.class);

    private String tableName;

    private final Connection conn;

    private DumpWriteWorkerLogic writerWorker; // 寫結(jie)果數(shu)據任務(wu)

    private String startDate;// 開始導出日期

    private static final int LIMIT = 50000;// 限制(zhi)sql一(yi)次(ci)讀出條數

    public DumpReadWorkerLogic(Connection conn, String tableName, DumpWriteWorkerLogic writerWorker, String startDate) {
        CheckUtil.checkNotNull("MysqlDataReadWorker.conn", conn);
        CheckUtil.checkNotNull("MysqlDataReadWorker.tableName", tableName);
        CheckUtil.checkNotNull("MysqlDataReadWorker.startDate", startDate);

        this.conn = conn;
        this.tableName = tableName;
        this.writerWorker = writerWorker;
        this.startDate = startDate;

        logger.info("DumpReadWorkerLogic Reg. tableName={}", this.tableName);
    }

    @Override
    public Integer call() {
        try {
            List<Map<String, Object>> result = JdbcUtils.queryForList(conn, "show full fields from " + tableName);

            int index = 0;
            String querySql = "";

            int totalCount = 0;
            while (true) {
                int offset = index * LIMIT;
                querySql = DumpLogic.getTableQuerySql(result, tableName, true, startDate) + " limit " + offset + "," + LIMIT;
                int row = DumpLogic.query(conn, querySql, writerWorker);
                totalCount += row;
                logger.info("tableName=" + tableName + ", offset=" + offset + ", index=" + index + ", row=" + row + ", limit=" + LIMIT);
                if (row < LIMIT)
                    break;
                index++;
            }
            writerWorker.prepareClose();
            logger.info(startDate + "---" + tableName + "---Read.End");
            return totalCount;
        }
        catch (Exception e) {
            throw new GameRuntimeException(e, "MysqlDataReadWorker fail. tableName={%s}, errorMsg={%s} ",tableName, e.getMessage());
        }
    }

}

/***
 * 
 * 
 * @描述 mysql數(shu)據(ju)導(dao)出(chu)任務
 */
public class DumpWriteWorkerLogic implements Callable<Integer> {

    private static final Logger logger = LoggerFactory.getLogger(DumpWriteWorkerLogic.class);
    private String tableName;// 表名(ming)

    private AtomicBoolean alive; // 線程是否(fou)活(huo)著

    private BufferedWriter writer;

    private ArrayBlockingQueue<String> queue; // 消息(xi)隊列

    private ServerPO server;// 服務器

    private String startDate;// 開(kai)始時(shi)間

    private Map<String, Integer> resultDBMap;// 當天某服某表數量記錄

    private GameType gameType;

    private SourceType sourceType;// 數(shu)據來源類型

    public DumpWriteWorkerLogic(ServerPO server, String tableName, String startDate, Map<String, Integer> resultDBMap, GameType gameType,
            SourceType sourceType) {
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.tableName", tableName);
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.server", server);
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.startDate", startDate);
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.resultDBMap", resultDBMap);
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.gameType", gameType);
        CheckUtil.checkNotNull("DumpWriteWorkerLogic.sourceType", sourceType);

        this.tableName = tableName;
        this.server = server;
        this.startDate = startDate;
        this.queue = new ArrayBlockingQueue<>(65536);
        this.alive = new AtomicBoolean(true);
        this.gameType = gameType;
        this.sourceType = sourceType;
        this.writer = createWriter();
        this.resultDBMap = resultDBMap;

        logger.info("DumpWriteWorkerLogic Reg. tableName={}", this.tableName);
    }

    /***
     * 創建writer, 若文件不存在，會(hui)新建文件
     * 
     * @param serverId
     * @return
     */
    private BufferedWriter createWriter() {
        try {
            File toFile = FileUtils.getFilenameOfDumpTable(sourceType, tableName, startDate, gameType, ".txt");
            if (!toFile.exists()) {
                FileUtils.createFile(sourceType, tableName, startDate, gameType);
            }
            return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(toFile, true), Charsets.UTF_8), 5 * 1024 * 1024);
        } catch (Exception e) {
            throw new GameRuntimeException(e, "DumpWriteWorkerLogic createWriter fail. server={%s}, errorMsg={%s} ",server.getId(), e.getMessage());
        }
    }

    /***
     * 寫入文件
     * 
     * @param line
     *            一條(tiao)記錄
     */
    private void writeToFile(String line) {
        try {
            this.writer.write(line + "\n");
        } catch (Exception e) {
            throw new GameRuntimeException(e, "DumpWriteWorkerLogic writeToFile fail. errorMsg={%s} ", e.getMessage());
        }
    }

    /**
     * 記錄數據到消(xiao)息(xi)隊(dui)列(lie); 如果消(xiao)息(xi)隊(dui)列(lie)滿了, 會阻塞直到可以put為止
     * 
     * @param result
     */
    public void putToWriterQueue(String line) {

        CheckUtil.checkNotNull("DumpWriteWorkerLogic putToWriterQueue", line);

        try {
            queue.put(line);
        } catch (InterruptedException e) {
            throw new GameRuntimeException(e, "DumpWriteWorkerLogic putToWriterQueue fail. errorMsg={%s} ", e.getMessage());
        }
    }

    /**
     * 準備關閉 (通知(zhi)一(yi)下"需要處理的用戶(hu)數據都處理完畢了"; task 寫完數據, 就可以(yi)完畢了)
     */
    public void prepareClose() {
        alive.set(false);
    }

    @Override
    public Integer call() {
        logger.info("DumpWriteWorkerLogic Start. tableName={}", this.tableName);
        try {
            int totalCount = 0;
            while (alive.get() || !queue.isEmpty()) {
                List<String> dataList = new ArrayList<String>();
                queue.drainTo(dataList);
                int count = processDataList(dataList);
                totalCount += count;
            }
            logger.info("DumpWriteWorkerLogic ---" + startDate + "---" + tableName + "---Writer.End");
            return totalCount;
        } catch (Exception exp) {
            throw new GameRuntimeException(exp, "DumpWriteWorkerLogic call() fail. errorMsg={%s} ", exp.getMessage());
        } finally {
            FileUtil.close(this.writer);
        }
    }

    /***
     * 處理數據(ju)：寫入本地文件及(ji)map
     * 
     * @param dataList
     *            數據(ju)集合
     * @return
     */
    private int processDataList(List<String> dataList) {
        int totalCount = 0;

        // 所有記錄
        String key = server.getId() + "#" + tableName + "#" + sourceType.getIndex();
        if (dataList != null && dataList.size() > 0) {

            for (String line : dataList) {

                // 按行寫入文(wen)件
                writeToFile(line);

                // 記錄(lu)到result_data_record_count
                if (resultDBMap.get(key) != null) {
                    resultDBMap.put(key, resultDBMap.get(key) + 1);
                }
                else {
                    resultDBMap.put(key, 1);
                }

                totalCount++;
            }
        }

        return totalCount;
    }

}