Examples with XLog org.apache.oozie.util.XLog used on opensource projects

Example 1 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class Services method init.

/**
 * Initialize all services define in the {@link #CONF_SERVICE_CLASSES} configuration property.
 *
 * @throws ServiceException thrown if any of the services could not initialize.
 */
public void init() throws ServiceException {
    XLog log = new XLog(LogFactory.getLog(getClass()));
    log.trace("Initializing");
    SERVICES = this;
    try {
        loadServices();
    } catch (RuntimeException rex) {
        XLog.getLog(getClass()).fatal(rex.getMessage(), rex);
        throw rex;
    } catch (ServiceException ex) {
        XLog.getLog(getClass()).fatal(ex.getMessage(), ex);
        SERVICES = null;
        throw ex;
    }
    InstrumentationService instrService = get(InstrumentationService.class);
    if (instrService != null) {
        Instrumentation instr = instrService.get();
        for (Service service : services.values()) {
            if (service instanceof Instrumentable) {
                ((Instrumentable) service).instrument(instr);
            }
        }
        instr.addVariable("oozie", "version", new Instrumentation.Variable<String>() {

            @Override
            public String getValue() {
                return BuildInfo.getBuildInfo().getProperty(BuildInfo.BUILD_VERSION);
            }
        });
        instr.addVariable("oozie", "mode", new Instrumentation.Variable<String>() {

            @Override
            public String getValue() {
                return getSystemMode().toString();
            }
        });
    }
    log.info("Initialized");
    log.info("Running with JARs for Hadoop version [{0}]", VersionInfo.getVersion());
    log.info("Oozie System ID [{0}] started!", getSystemId());
}

Example 2 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class Services method setSystemMode.

/**
 * Set and set system mode.
 *
 * @param sysMode system mode
 */
public synchronized void setSystemMode(SYSTEM_MODE sysMode) {
    if (this.systemMode != sysMode) {
        XLog log = XLog.getLog(getClass());
        log.info(XLog.OPS, "Exiting " + this.systemMode + " Entering " + sysMode);
    }
    this.systemMode = sysMode;
}

Example 3 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class Services method loadServices.

/**
 * Loads the specified services.
 *
 * @param classes services classes to load.
 * @param list    list of loaded service in order of appearance in the
 *                configuration.
 * @throws ServiceException thrown if a service class could not be loaded.
 */
private void loadServices(Class<?>[] classes, List<Service> list) throws ServiceException {
    XLog log = new XLog(LogFactory.getLog(getClass()));
    for (Class<?> klass : classes) {
        try {
            Service service = (Service) klass.newInstance();
            log.debug("Loading service [{0}] implementation [{1}]", service.getInterface(), service.getClass());
            if (!service.getInterface().isInstance(service)) {
                throw new ServiceException(ErrorCode.E0101, klass, service.getInterface().getName());
            }
            list.add(service);
        } catch (ServiceException ex) {
            throw ex;
        } catch (Exception ex) {
            throw new ServiceException(ErrorCode.E0102, klass, ex.getMessage(), ex);
        }
    }
}

Example 4 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class Services method loadServices.

/**
 * Loads services defined in <code>services</code> and
 * <code>services.ext</code> and de-dups them.
 *
 * @return List of final services to initialize.
 * @throws ServiceException throw if the services could not be loaded.
 */
private void loadServices() throws ServiceException {
    XLog log = new XLog(LogFactory.getLog(getClass()));
    try {
        Map<Class<?>, Service> map = new LinkedHashMap<Class<?>, Service>();
        Class<?>[] classes = ConfigurationService.getClasses(conf, CONF_SERVICE_CLASSES);
        log.debug("Services list obtained from property '" + CONF_SERVICE_CLASSES + "'");
        Class<?>[] classesExt = ConfigurationService.getClasses(conf, CONF_SERVICE_EXT_CLASSES);
        log.debug("Services list obtained from property '" + CONF_SERVICE_EXT_CLASSES + "'");
        List<Service> list = new ArrayList<Service>();
        loadServices(classes, list);
        loadServices(classesExt, list);
        // removing duplicate services, strategy: last one wins
        for (Service service : list) {
            if (map.containsKey(service.getInterface())) {
                log.debug("Replacing service [{0}] implementation [{1}]", service.getInterface(), service.getClass());
            }
            map.put(service.getInterface(), service);
        }
        for (Map.Entry<Class<?>, Service> entry : map.entrySet()) {
            setService(entry.getValue().getClass());
        }
    } catch (RuntimeException rex) {
        log.fatal("Runtime Exception during Services Load. Check your list of [{0}] or [{1}]", CONF_SERVICE_CLASSES, CONF_SERVICE_EXT_CLASSES, rex);
        throw new ServiceException(ErrorCode.E0103, rex.getMessage(), rex);
    }
}

Example 5 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class Services method destroy.

/**
 * Destroy all services.
 */
public void destroy() {
    XLog log = new XLog(LogFactory.getLog(getClass()));
    log.trace("Shutting down");
    boolean deleteRuntimeDir = false;
    if (conf != null) {
        deleteRuntimeDir = conf.getBoolean(CONF_DELETE_RUNTIME_DIR, false);
    }
    if (services != null) {
        List<Service> list = new ArrayList<Service>(services.values());
        Collections.reverse(list);
        for (Service service : list) {
            try {
                log.trace("Destroying service[{0}]", service.getInterface());
                if (service.getInterface() == XLogService.class) {
                    log.info("Shutdown");
                }
                service.destroy();
            } catch (Throwable ex) {
                log.error("Error destroying service[{0}], {1}", service.getInterface(), ex.getMessage(), ex);
            }
        }
    }
    if (deleteRuntimeDir) {
        try {
            IOUtils.delete(new File(runtimeDir));
        } catch (IOException ex) {
            log.error("Error deleting runtime directory [{0}], {1}", runtimeDir, ex.getMessage(), ex);
        }
    }
    services = null;
    conf = null;
    SERVICES = null;
}