Examples with Callback com.ctrip.platform.dal.dao.log.Callback used on opensource projects

Example 1 with Callback

use of com.ctrip.platform.dal.dao.log.Callback in project dal by ctripcorp.

the class ForceSwitchableDataSource method forceSwitch.

public SwitchableDataSourceStatus forceSwitch(FirstAidKit configure, final String ip, final Integer port) {
    synchronized (lock) {
        final SwitchableDataSourceStatus oldStatus = getStatus();
        final String name;
        final DataSourceConfigure usedConfigure;
        forceSwitchedStatus = ForceSwitchedStatus.ForceSwitching;
        try {
            if (isNullDataSource) {
                if (configure instanceof IDataSourceConfigure) {
                    usedConfigure = dataSourceConfigureConvert.desDecrypt(DataSourceConfigure.valueOf((IDataSourceConfigure) configure));
                    name = ((IDataSourceConfigure) configure).getConnectionUrl();
                } else {
                    throw new DalRuntimeException("Force Switch Error: datasource configure is invalid");
                }
            } else {
                usedConfigure = getSingleDataSource().getDataSourceConfigure().clone();
                name = getSingleDataSource().getName();
            }
            final String logName = String.format(FORCE_SWITCH, name);
            LOGGER.logTransaction(DalLogTypes.DAL_CONFIGURE, logName, String.format("isNullDataSource: %s; newIp: %s, newPort: %s", isNullDataSource, ip, port), new Callback() {

                @Override
                public void execute() throws Exception {
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("old connection url: %s", usedConfigure.getConnectionUrl()));
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("old isForceSwitched before force switch: %s, old poolCreated before force switch: %s", oldStatus.isForceSwitched(), oldStatus.isPoolCreated()));
                    usedConfigure.replaceURL(ip, port);
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("new connection url: %s", usedConfigure.getConnectionUrl()));
                    asyncRefreshDataSource(name, usedConfigure, new ForceSwitchListener() {

                        public void onCreatePoolSuccess() {
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolSuccess: %s", name), usedConfigure.getConnectionUrl());
                            poolCreated = true;
                            forceSwitchedStatus = ForceSwitchedStatus.ForceSwitched;
                            oldForceSwitchedStatus = ForceSwitchedStatus.ForceSwitched;
                            isNullDataSource = false;
                            final SwitchableDataSourceStatus status = getStatus();
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolSuccess::notifyListeners: %s", name), "notify listeners' onForceSwitchSuccess");
                            for (final SwitchListener listener : listeners) executor.submit(new Runnable() {

                                @Override
                                public void run() {
                                    try {
                                        listener.onForceSwitchSuccess(status);
                                    } catch (Exception e) {
                                        LOGGER.error("call listener.onForceSwitchSuccess() error ", e);
                                    }
                                }
                            });
                        }

                        public void onCreatePoolFail(final Throwable e) {
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolFail: %s", name), e.getMessage());
                            forceSwitchedStatus = oldForceSwitchedStatus;
                            final SwitchableDataSourceStatus status = getStatus();
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolFail::notifyListeners: %s", name), "notify listeners' onForceSwitchFail");
                            for (final SwitchListener listener : listeners) executor.submit(new Runnable() {

                                @Override
                                public void run() {
                                    try {
                                        listener.onForceSwitchFail(status, e);
                                    } catch (Exception e1) {
                                        LOGGER.error("call listener.onForceSwitchFail() error ", e1);
                                    }
                                }
                            });
                        }
                    });
                }
            });
        } catch (Throwable t) {
            forceSwitchedStatus = oldForceSwitchedStatus;
            LOGGER.error("Force switch error", t);
            throw new DalRuntimeException("Force switch error", t);
        }
        return oldStatus;
    }
}

Example 2 with Callback

use of com.ctrip.platform.dal.dao.log.Callback in project dal by ctripcorp.

the class DalClientFactory method internalInitClientFactory.

private static void internalInitClientFactory(final String path) throws Exception {
    if (configureRef.get() != null) {
        iLogger.warn(ALREADY_INITIALIZED);
        iLogger.logEvent(DalLogTypes.DAL, INIT_DAL_JAVA_CLIENT, ALREADY_INITIALIZED);
        return;
    }
    synchronized (DalClientFactory.class) {
        if (configureRef.get() != null) {
            iLogger.warn(ALREADY_INITIALIZED);
            iLogger.logEvent(DalLogTypes.DAL, INIT_DAL_JAVA_CLIENT, ALREADY_INITIALIZED);
            return;
        }
        iLogger.logTransaction(DalLogTypes.DAL, INIT_DAL_JAVA_CLIENT, "Initialize Dal Java Client", new Callback() {

            @Override
            public void execute() throws Exception {
                DalConfigure config = null;
                if (path == null) {
                    DalConfigLoader loader = ServiceLoaderHelper.getInstance(DalConfigLoader.class);
                    if (loader == null)
                        config = DalConfigureFactory.load();
                    else
                        config = loader.load();
                    iLogger.info("Successfully initialized Dal Java Client Factory");
                } else {
                    config = DalConfigureFactory.load(path);
                    iLogger.info("Successfully initialized Dal Java Client Factory with " + path);
                }
                config.validate();
                LogEntry.init();
                DalRequestExecutor.init(config);
                DalStatusManager.initialize(config);
                configureRef.set(config);
            }
        });
    }
}

Example 3 with Callback

use of com.ctrip.platform.dal.dao.log.Callback in project dal by ctripcorp.

the class ForceSwitchableDataSource method getStatus.

public SwitchableDataSourceStatus getStatus() {
    synchronized (lock) {
        org.apache.tomcat.jdbc.pool.DataSource ds = (org.apache.tomcat.jdbc.pool.DataSource) getSingleDataSource().getDataSource();
        final String url = ds.getUrl();
        final String name = getSingleDataSource().getName();
        final String logName = String.format(GET_STATUS, name);
        try {
            LOGGER.logTransaction(DalLogTypes.DAL_CONFIGURE, logName, url, new Callback() {

                @Override
                public void execute() throws Exception {
                    if (!currentHostAndPort.isValid() || isUrlChanged(url)) {
                        currentHostAndPort.setValid(false);
                        LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, "url changed, we will get url from connection");
                        try {
                            final CountDownLatch latch = new CountDownLatch(1);
                            executor.submit(new Runnable() {

                                public void run() {
                                    try (Connection conn = getConnection()) {
                                        HostAndPort hostAndPort = ConnectionStringParser.parseHostPortFromURL(conn.getMetaData().getURL());
                                        hostAndPort.setValid(true);
                                        setIpPortCache(hostAndPort);
                                        setPoolCreated(true);
                                    } catch (Exception e) {
                                        setIpPortCache(ConnectionStringParser.parseHostPortFromURL(url));
                                    } finally {
                                        latch.countDown();
                                    }
                                }
                            });
                            latch.await(1, TimeUnit.SECONDS);
                        } catch (Exception e) {
                            LOGGER.error("get connection error", e);
                        }
                    }
                }
            });
        } catch (Throwable t) {
            LOGGER.error("Get status error", t);
            throw new DalRuntimeException("Get status error", t);
        }
        boolean isForceSwitched;
        if (ForceSwitchedStatus.ForceSwitched.equals(forceSwitchedStatus)) {
            isForceSwitched = true;
        } else {
            isForceSwitched = false;
        }
        if (!currentHostAndPort.isValid()) {
            setIpPortCache(ConnectionStringParser.parseHostPortFromURL(url));
            return buildSwitchableDataSourceStatus(isForceSwitched, currentHostAndPort.getHost(), url, currentHostAndPort.getPort(), false);
        }
        return buildSwitchableDataSourceStatus(isForceSwitched, currentHostAndPort.getHost(), url, currentHostAndPort.getPort(), poolCreated);
    }
}

Example 4 with Callback

use of com.ctrip.platform.dal.dao.log.Callback in project dal by ctripcorp.

the class ForceSwitchableDataSource method restore.

public SwitchableDataSourceStatus restore() {
    synchronized (lock) {
        final SwitchableDataSourceStatus oldStatus = getStatus();
        final String name = getSingleDataSource().getName();
        final String logName = String.format(RESTORE, name);
        try {
            LOGGER.logTransaction(DalLogTypes.DAL_CONFIGURE, logName, "restore", new Callback() {

                @Override
                public void execute() throws Exception {
                    DataSourceConfigure configure = getSingleDataSource().getDataSourceConfigure().clone();
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("old connection url: %s", configure.getConnectionUrl()));
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("old isForceSwitched before restore: %s, old poolCreated before restore: %s", oldStatus.isForceSwitched(), oldStatus.isPoolCreated()));
                    if (!ForceSwitchedStatus.ForceSwitched.equals(forceSwitchedStatus)) {
                        LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("%s is not force switched, return", name));
                        return;
                    }
                    final DataSourceConfigure newConfigure = DataSourceConfigure.valueOf(provider.forceLoadDataSourceConfigure());
                    LOGGER.logEvent(DalLogTypes.DAL_CONFIGURE, logName, String.format("new connection url: %s", newConfigure.getConnectionUrl()));
                    asyncRefreshDataSource(name, newConfigure, new RestoreListener() {

                        public void onCreatePoolSuccess() {
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolSuccess: %s", name), newConfigure.getConnectionUrl());
                            poolCreated = true;
                            forceSwitchedStatus = ForceSwitchedStatus.UnForceSwitched;
                            oldForceSwitchedStatus = ForceSwitchedStatus.UnForceSwitched;
                            final SwitchableDataSourceStatus status = getStatus();
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolSuccess::notifyListeners: %s", name), "notify listeners' onRestoreSuccess");
                            for (final SwitchListener listener : listeners) executor.submit(new Runnable() {

                                @Override
                                public void run() {
                                    try {
                                        listener.onRestoreSuccess(status);
                                    } catch (Exception e1) {
                                        LOGGER.error("call listener.onRestoreSuccess() error ", e1);
                                    }
                                }
                            });
                        }

                        public void onCreatePoolFail(final Throwable e) {
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolFail: %s", name), e.getMessage());
                            final SwitchableDataSourceStatus status = getStatus();
                            LOGGER.logEvent(DalLogTypes.DAL_DATASOURCE, String.format("onCreatePoolFail::notifyListeners: %s", name), "notify listeners' onRestoreFail");
                            for (final SwitchListener listener : listeners) executor.submit(new Runnable() {

                                @Override
                                public void run() {
                                    try {
                                        listener.onRestoreFail(status, e);
                                    } catch (Exception e1) {
                                        LOGGER.error("call listener.onRestoreFail() error ", e1);
                                    }
                                }
                            });
                        }
                    });
                }
            });
        } catch (Throwable t) {
            LOGGER.error("Restore error", t);
            throw new DalRuntimeException("Restore error", t);
        }
        return oldStatus;
    }
}

Example 5 with Callback

use of com.ctrip.platform.dal.dao.log.Callback in project dal by ctripcorp.

the class DalTransaction method rollbackOnly.

private void rollbackOnly(int level) throws Exception {
    final String name = String.format(DAL_TRANSACTION_EXECUTE_ROLLBACK_ONLY, logicDbName == null ? "" : logicDbName);
    final String msg = getRollbackOnlyMessage(level);
    iLogger.logTransaction(SQL_Transaction, name, msg, new Callback() {

        @Override
        public void execute() {
            rollback();
            iLogger.logEvent(SQL_Transaction, name, msg);
        }
    }, msg);
}