Example usage for java.lang Thread MIN

Introduction

In this page you can find the example usage for java.lang Thread MIN_PRIORITY.

Prototype

int MIN_PRIORITY

To view the source code for java.lang Thread MIN_PRIORITY.

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The minimum priority that a thread can have.

Usage

From source file:com.sslexplorer.server.ServerLock.java

/**
 * Should be called when the service starts. This checks if a service is
 * already running, and if not creates the lock so future instances know.
 * /*from w  w  w  . j  ava 2s  .  co  m*/
 * @param port port the service is running on
 * @throws IOException
 */
public void start(int port) throws IOException {
    this.port = port;
    this.setup = ContextHolder.getContext().isSetupMode();

    /*
     * Check whether there is already a listener on the port, this means we
     * can throw a more meaningful exception than jetty does if a server
     * other than SSL-Explorer is already running on this port
     */
    checkStatus();
    if (locked) {
        if (port == 443 || port == 8443) {
            throw new IOException("Some other server is already running on port " + port + "."
                    + "Most web servers will run on this port by default, so check if you have such "
                    + "a service is installed (IIS, Apache or Tomcat for example). Either shutdown "
                    + "and disable the conflicting server, or if you wish to run both services "
                    + "concurrently, change the port number on which one listens.");
        } else {
            throw new IOException("Some other server is already running on port " + port + "."
                    + "Check which other services you have enabled that may be causing "
                    + "this conflict. Then, either disable the service, change the port on "
                    + "which it is listening or change the port on which this server listens.");

        }
    }

    //
    PrintWriter pw = new PrintWriter(new FileOutputStream(lockFile));
    pw.println(ContextHolder.getContext().isSetupMode() + ":" + port);
    pw.flush();
    pw.close();
    started = true;

    lastLockChange = lockFile.lastModified();

    /* Start watching the lock file, if it disappears then shut down the
     * server
     */
    Thread t = new Thread("ServerLockMonitor") {
        public void run() {
            while (true) {
                try {
                    Thread.sleep(5000);
                    if (lastLockChange != lockFile.lastModified()) {
                        lastLockChange = lockFile.lastModified();
                        if (log.isDebugEnabled())
                            log.debug("Lock file changed, examining");
                        InputStream in = null;
                        try {
                            in = new FileInputStream(lockFile);
                            ;
                            BufferedReader br = new BufferedReader(new InputStreamReader(in));
                            String s = br.readLine();
                            Util.closeStream(in); // close so we can delete
                            if ("shutdown".equals(s)) {
                                ContextHolder.getContext().shutdown(false);
                                break;
                            } else if ("restart".equals(s)) {
                                ContextHolder.getContext().shutdown(true);
                                break;
                            }
                        } catch (IOException ioe) {
                            Util.closeStream(in);
                            throw ioe;
                        }
                    }
                } catch (Exception e) {
                }
            }
        }
    };
    t.setDaemon(true);
    t.setPriority(Thread.MIN_PRIORITY);
    t.start();

}

From source file:ro.nextreports.designer.NextReports.java

void start() {
    long time = System.currentTimeMillis();

    final SplashScreen splash = new SplashScreen("splash");

    Runnable runnable = new Runnable() {

        public void run() {
            for (int i = 0; i <= 100; i += 5) {
                if (stop) {
                    break;
                }/*from ww  w.j a  v  a2 s . c  om*/
                splash.updateSplash(i);
                try {
                    Thread.sleep(250);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    };
    Thread t = new Thread(runnable);
    t.start();

    // redirect output
    redirectOutput();

    // set engine properties
    System.setProperty(EngineProperties.RUN_PRIORITY_PROPERTY, String.valueOf(Thread.MIN_PRIORITY));
    System.setProperty(EngineProperties.RECORDS_YIELD_PROPERTY, String.valueOf(5000));
    System.setProperty(EngineProperties.MILLIS_YIELD_PROPERTY, String.valueOf(100));

    // set pdf font and encoding
    Globals.setPdfEncoding();
    Globals.setPdfFont();
    // set pdf direction and arabic
    Globals.setPdfDirection();
    Globals.setPdfArabicOptions();

    // set oracle client path
    Globals.setOracleClientPath();

    // set locale
    Globals.setLocale();

    FontUtil.registerFonts(Globals.getFontDirectories());

    // print parameters
    printParameters();

    // create the main frame
    final MainFrame mainFrame = createMainFrame();

    // add global actions
    GlobalHotkeyManager hotkeyManager = GlobalHotkeyManager.getInstance();
    InputMap inputMap = hotkeyManager.getInputMap();
    ActionMap actionMap = hotkeyManager.getActionMap();
    Action queryPerspectiveAction = new OpenQueryPerspectiveAction();
    inputMap.put((KeyStroke) queryPerspectiveAction.getValue(Action.ACCELERATOR_KEY), "queryPerspective");
    actionMap.put("queryPerspective", queryPerspectiveAction);
    Action reportPerspectiveAction = new OpenReportPerspectiveAction();
    inputMap.put((KeyStroke) reportPerspectiveAction.getValue(Action.ACCELERATOR_KEY), "reportPerspective");
    actionMap.put("reportPerspective", reportPerspectiveAction);

    disposeSplash(splash);

    mainFrame.setVisible(true);

    time = System.currentTimeMillis() - time;
    LOG.info("Start in " + time + " ms");

    // do not show start dialog if we start from server
    if (Globals.getServerUrl() == null) {
        showStartDialog(true);
        showSurveyDialog();
    } else {
        new NextReportsServerRequest();
    }
}

From source file:com.spoiledmilk.ibikecph.navigation.routing_engine.SMRoute.java

@Override
public void onResponseReceived(int requestType, Object response) {
    switch (requestType) {
    case SMHttpRequest.REQUEST_GET_ROUTE:
        JsonNode jsonRoot = ((RouteInfo) response).jsonRoot;
        if (jsonRoot == null || jsonRoot.path("status").asInt(-1) != 0) {
            if (listener != null)
                listener.routeNotFound();
        } else {//from  www.  j  a v a  2  s  .  c  o m
            setupRoute(jsonRoot);
            if (listener != null)
                listener.startRoute();
        }
        break;
    case SMHttpRequest.REQUEST_GET_RECALCULATED_ROUTE:
        final JsonNode jRoot = ((RouteInfo) response).jsonRoot;

        if (jRoot == null || jRoot.path("status").asInt() != 0) {
            if (listener != null) {
                listener.serverError();
            }
            recalculationInProgress = false;
            return;
        }

        final Handler h = new Handler();
        Thread t = new Thread(new Runnable() {
            @Override
            public void run() {

                boolean ok = parseFromJson(jRoot, null, isRouteBroken);

                //                        logWaypoints();

                if (ok) {
                    approachingTurn = false;
                    h.post(new Runnable() {
                        @Override
                        public void run() {
                            if (lastLocation != null) {
                                visitLocation(lastLocation);
                            }
                            if (visitedLocations != null && visitedLocations.size() > 0) {
                                // visitLocation(visitedLocations.get(visitedLocations.size() - 1));
                            }
                            if (SMLocationManager.getInstance().hasValidLocation()) {
                                updateDistances(SMLocationManager.getInstance().getLastValidLocation());
                            }
                            if (listener != null) {
                                listener.routeRecalculationDone();
                                listener.updateRoute();
                            }
                            recalculationInProgress = false;
                        }
                    });
                } else {
                    h.post(new Runnable() {
                        @Override
                        public void run() {
                            if (listener != null)
                                listener.serverError();
                            recalculationInProgress = false;
                        }
                    });
                }

            }
        });
        t.setPriority(Thread.MIN_PRIORITY);
        t.start();
    }
}

From source file:net.sf.ginp.browser.FolderManagerImpl.java

/**
 *  Gets the picturesInDirectory attribute of the PicCollection object.
 *
 *@param  relPath  Description of the Parameter
 *@return          The picturesInDirectory value
 *//* w w w.ja v  a  2s . c  o m*/
private String[] getPicturesInDirectory(final String root, final String relPath) {
    long duration = System.currentTimeMillis() - picCacheTimeout;

    if ((picCacheTimeout < 0) || (duration > MAX_CACHE)) {
        synchronized (picCache) {
            //Clearing a cache while doing a get can
            //cause hashmap to hang.  Hence all the synchronized blocks
            picCacheTimeout = System.currentTimeMillis();
            picCache.clear();
        }
    }

    synchronized (picCache) {
        if (picCache.get(root + relPath) != null) {
            String[] cached = (String[]) picCache.get(root + relPath);

            return cached;
        }
    }

    Vector pics = new Vector();

    try {
        File dir = new File(root + relPath);

        if (dir.isDirectory()) {
            String[] files = dir.list();

            for (int i = 0; i < files.length; i++) {
                File file = new File(root + relPath + "/" + files[i]);

                if ((!file.isDirectory()) && ((files[i].toLowerCase()).endsWith(".jpg")
                        || (files[i].toLowerCase()).endsWith(".jpeg"))) {
                    pics.add(files[i]);

                    if (log.isDebugEnabled()) {
                        log.debug("Adding picture file: " + files[i]);
                    }
                }
            }

            // Add Featured Pics
            File fl = new File(root + relPath + "ginpfolder.xml");

            if (fl.exists()) {
                FileReader fr = new FileReader(fl);
                LineNumberReader lr = new LineNumberReader(fr);
                StringBuffer sb = new StringBuffer();
                String temp;

                while ((temp = lr.readLine()) != null) {
                    sb.append(temp + "\n");
                }

                String featuredpicsXML = StringTool.getXMLTagContent("featuredpics", sb.toString());
                String[] picsXML = StringTool.splitToArray(featuredpicsXML, "<pic>");

                for (int i = 0; i < picsXML.length; i++) {
                    if (picsXML[i].indexOf("</pic>") != -1) {
                        temp = picsXML[i].substring(0, picsXML[i].indexOf("</pic>"));
                        fl = new File(root + relPath + temp);

                        if (fl.exists()) {
                            pics.add(temp);
                        }
                    }
                }
            }
        }
    } catch (IOException ex) {
        log.error(ex);
    }

    String[] retPictures = new String[pics.size()];

    for (int i = 0; i < pics.size(); i++) {
        retPictures[i] = (String) pics.get(i);
    }

    String[] sorted = sortPictures(retPictures);

    synchronized (picCache) {
        if (picCache.get(root + relPath) == null) {
            picCache.put(root + relPath, sorted);
        } else {
            return (String[]) picCache.get(root + relPath);
        }
    }

    // Only One Thread Per Directory Should Ever Get Here
    // (Unless it takes longer than 2 minutes to make)
    synchronized (MakeThumbs.class) {
        if ((mth == null) || ((mthThread != null) && !mthThread.isAlive())) {
            mth = new MakeThumbs();
            mthThread = new Thread(mth);
            mthThread.setDaemon(true);
            mthThread.setPriority(Thread.MIN_PRIORITY);
            mthThread.start();
        }
    }

    mth.addToQueue(root + relPath, sorted);

    return sorted;
}

From source file:org.alfresco.mobile.android.application.managers.RenditionManagerImpl.java

public void display(RenditionRequest request) {
    // Prerequisites
    if (session == null) {
        setSession(SessionUtils.getSession(appContext));
    }/* w ww .ja v  a 2  s  .c  o  m*/
    if (picasso == null) {
        picasso = new Builder(appContext).build();
    }

    // Cancel any previous request
    if (picasso != null) {
        picasso.cancelRequest(request.iv.get());
    }

    // Wrong identifier so display placeholder directly
    String url = null;
    if (TextUtils.isEmpty(request.itemId) || session == null) {
        request.iv.get().setImageResource(request.placeHolderId);
        return;
    }

    // Let's find how to display the itemId
    switch (request.typeId) {
    case TYPE_NODE:
        if (session instanceof RepositorySession) {
            url = getDocumentRendition(request.itemId, DocumentFolderService.RENDITION_THUMBNAIL);
            if (request.renditionTypeId == RenditionRequest.RENDITION_PREVIEW) {
                url = getDocumentRendition(request.itemId, DocumentFolderService.RENDITION_PREVIEW);
            }
            startPicasso(url, request);
            return;
        } else if (hasReference(request.itemId, request.renditionTypeId)) {
            url = getReference(request.itemId, request.renditionTypeId);
            startPicasso(url, request);
            return;
        }
        break;
    case TYPE_WORKFLOW:
        url = ((AbstractWorkflowService) session.getServiceRegistry().getWorkflowService())
                .getProcessDiagramUrl(request.itemId).toString();
        startPicasso(url, request);
        return;
    case TYPE_PERSON:
        if (session instanceof RepositorySession
                && session.getRepositoryInfo().getMajorVersion() >= OnPremiseConstant.ALFRESCO_VERSION_4) {
            url = OnPremiseUrlRegistry.getAvatarUrl(session, request.itemId);
            startPicasso(url, request);
            return;
        } else if (hasReference(request.itemId, request.renditionTypeId)) {
            url = getReference(request.itemId, request.renditionTypeId);
            startPicasso(url, request);
            return;
        }
        break;
    default:
        break;
    }

    // We don't know the url associated to the itemId, we need to find it
    // first.
    displayPlaceHolder(request.iv, request.placeHolderId);
    if (getReference(request.itemId, request.renditionTypeId) == null && activityRef != null) {
        addReference(request.itemId, AWAIT, request.renditionTypeId);
        urlRetrieverThread thread = new urlRetrieverThread(activityRef.get(), session, request);
        thread.setPriority(Thread.MIN_PRIORITY);
        if (request.renditionTypeId == RenditionRequest.RENDITION_PREVIEW) {
            thread.setPriority(Thread.NORM_PRIORITY);
        }
        final AsyncDrawable asyncDrawable = new AsyncDrawable(activityRef.get().getResources(), thread);
        request.iv.get().setImageDrawable(asyncDrawable);
        if (thread.getState() == Thread.State.NEW) {
            thread.start();
        }
    } else {
        request.iv.get().setImageResource(request.placeHolderId);
    }
}

From source file:net.gleamynode.oil.impl.wal.store.FileLogStore.java

private void parseProperties() {
    String file;/*from   w  w  w  .java2s.c  om*/
    int maxItemSize;
    int bufferFlushInterval;
    int bufferSize;
    String threadName;
    int threadPriority;

    // file
    file = properties.getProperty(FileLogStoreConstants.PROP_FILE);

    if (file == null) {
        throw new IllegalPropertyException();
    }

    // maxItemSize
    String value = properties.getProperty(FileLogStoreConstants.PROP_MAX_ITEM_SIZE,
            String.valueOf(FileLogStoreConstants.DEFAULT_MAX_ITEM_SIZE));

    try {
        maxItemSize = Integer.parseInt(value);
    } catch (Exception e) {
        throw new IllegalPropertyException(e);
    }

    if (maxItemSize <= 0) {
        throw new IllegalPropertyException();
    }

    // bufferFlushInterval
    value = properties.getProperty(FileLogStoreConstants.PROP_BUFFER_FLUSH_INTERVAL,
            String.valueOf(FileLogStoreConstants.DEFAULT_BUFFER_FLUSH_INTERVAL));

    try {
        bufferFlushInterval = Integer.parseInt(value);
    } catch (Exception e) {
        throw new IllegalPropertyException(e);
    }

    if (bufferFlushInterval < 1) {
        throw new IllegalPropertyException();
    }

    // bufferSize
    value = properties.getProperty(FileLogStoreConstants.PROP_BUFFER_SIZE,
            String.valueOf(FileLogStoreConstants.DEFAULT_BUFFER_SIZE));

    try {
        bufferSize = Integer.parseInt(value);
    } catch (Exception e) {
        throw new IllegalPropertyException(e);
    }

    if (bufferSize < 1) {
        throw new IllegalPropertyException();
    }

    // threadName
    threadName = properties
            .getProperty(FileLogStoreConstants.PROP_THREAD_NAME, FileLogStoreConstants.DEFAULT_THREAD_NAME)
            .trim();

    if (threadName.length() == 0) {
        throw new IllegalPropertyException();
    }

    // threadPriority
    value = properties.getProperty(FileLogStoreConstants.PROP_THREAD_PRIORITY,
            String.valueOf(FileLogStoreConstants.DEFAULT_THREAD_PRIORITY));

    try {
        threadPriority = Integer.parseInt(value);
    } catch (Exception e) {
        throw new IllegalPropertyException(e);
    }

    if ((threadPriority < Thread.MIN_PRIORITY) || (threadPriority > Thread.MAX_PRIORITY)) {
        throw new IllegalPropertyException();
    }

    this.file = new File(file);
    this.maxItemSize = maxItemSize;
    this.bufferFlushInterval = bufferFlushInterval;
    this.bufferSize = bufferSize;
    this.threadName = threadName;
    this.threadPriority = threadPriority;
}

From source file:ca.farrelltonsolar.classic.ModbusTask.java

private void init(Context ctx) {
    context = ctx;/*from ww  w  .j a  v a 2 s. c o m*/
    readings = new Readings();
    dayLogEntry = new LogEntry();
    minuteLogEntry = new LogEntry();
    Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
    Log.d(getClass().getName(),
            String.format("ModbusTask created thread is %s", Thread.currentThread().getName()));
}

From source file:io.cloudslang.content.database.services.dbconnection.DBConnectionManager.java

/**
 * @param aDbType   one of the supported db type, for example ORACLE, NETCOOL
 * @param aDbUrl    connection url/*from  w w  w .j a v a 2 s.  c om*/
 * @param aUsername username to connect to db
 * @param aPassword password to connect to db
 * @return a Connection to db
 * @throws SQLException
 */
public synchronized Connection getConnection(DBType aDbType, String aAuthType, String aDbUrl, String aUsername,
        String aPassword, Properties properties) throws SQLException {
    if (isEmpty(aDbUrl)) {
        throw new SQLException("Failed to check out connection dbUrl is empty");
    }

    if (aDbType == null || !(MSSQL_DB_TYPE.equalsIgnoreCase(aDbType.toString())
            && AUTH_WINDOWS.equalsIgnoreCase(aAuthType))) {
        if (isEmpty(aUsername)) {
            throw new SQLException("Failed to check out connection,username is empty. dburl = " + aDbUrl);
        }

        if (isEmpty(aPassword)) {
            throw new SQLException("Failed to check out connection, password is empty. username = " + aUsername
                    + " dbUrl = " + aDbUrl);
        }
    }

    customizeDBConnectionManager(properties);

    if (!this.isPoolingEnabled) {
        //just call driver manager to create connection
        return this.getPlainConnection(aDbUrl, aUsername, aPassword);
    } else {
        //want connection pooling
        if (aDbType == null) {
            throw new SQLException("Failed to check out connection db type is null");
        }

        //if the runnable has been shutdown when dbmspoolsize is 0
        //then need to resumbit to the thread and start it again
        if (datasourceCleaner.getState() == STATE_CLEANER.SHUTDOWN) {
            //submit it to the thread to run
            cleanerThread = new Thread(datasourceCleaner);
            cleanerThread.setPriority(Thread.MIN_PRIORITY);
            cleanerThread.start();
        }
        //will use pooled datasource provider
        return getPooledConnection(aDbType, aDbUrl, aUsername, aPassword);
    }

}

From source file:com.iwedia.adapters.FragmentTabAdapter.java

/**
 * Starts background thread./*from w w  w .j a  v  a  2s  . c o  m*/
 */
private synchronized void startThread() {
    stopThread();
    mTimerThread = new Thread(new Runnable() {
        @Override
        public void run() {
            Thread thisThread = Thread.currentThread();
            while (true) {
                if (thisThread == mTimerThread) {
                    mHandler.sendEmptyMessage(MESSAGE_REFRESH_TIME);
                }
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                }
            }
        }
    });
    mTimerThread.setPriority(Thread.MIN_PRIORITY);
    mTimerThread.start();
}

From source file:com.rokolabs.app.common.image.ImageCache.java

public void saveBitmapToDisk(final String data, final File bitmap) {
    mSavingThreadPool.submit(new Runnable() {

        @Override/* w w w  . j  a v  a  2 s  .  c o m*/
        public void run() {
            Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
            saveBitmapToDiskSync(data, bitmap);
            bitmap.delete();
        }
    });
}

Example usage for java.lang Thread MIN_PRIORITY

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Prototype

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