Example usage for java.lang Thread yield

Introduction

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

Prototype

public static native void yield();

Source Link

Document

A hint to the scheduler that the current thread is willing to yield its current use of a processor.

Usage

From source file:de.innovationgate.wgpublisher.WGAUsageStatistics.java

public void dispose() {
    _updateStatsThread.setCanceled(true);
    while (_updateStatsThread.isAlive()) {
        Thread.yield();
    }
}

---

From source file:org.quickserver.net.server.QuickServer.java

/**
 * Starts the QuickServer./*from  w w  w.  j  a v  a  2  s  .c o  m*/
 *
 * @exception org.quickserver.net.AppException 
 *  if Server already running or if it could not load the classes
 *  [ClientCommandHandler, ClientAuthenticationHandler, ClientData].
 * @see #startService
 */
public void startServer() throws AppException {
    logger.log(Level.FINE, "Starting {0}", getName());

    if (isClosed() == false) {
        logger.log(Level.WARNING, "Server {0} already running.", getName());
        throw new AppException("Server " + getName() + " already running.");
    }

    blockingMode = getBasicConfig().getServerMode().getBlocking();

    if (getSecure().isEnable() && blockingMode == false) {
        //TODO we need to fix this..
        logger.warning(
                "QuickServer does not support secure servers under non-blocking mode! So will run in blocking mode.");
        blockingMode = true;
        getBasicConfig().getServerMode().setBlocking(blockingMode);
    }

    if (serverBanner == null) {
        serverBanner = "\n-------------------------------" + "\n Name : " + getName() + "\n Port : " + getPort()
                + "\n-------------------------------\n";
        logger.finest("Default Server Banner Generated");
    }
    try {
        loadApplicationClasses();

        //load class from Advanced Settings
        Class clientIdentifierClass = getClass(getBasicConfig().getAdvancedSettings().getClientIdentifier(),
                true);
        clientIdentifier = (ClientIdentifier) clientIdentifierClass.newInstance();
        clientIdentifier.setQuickServer(QuickServer.this);

        //load class from ObjectPoolConfig
        Class poolManagerClass = getClass(getBasicConfig().getObjectPoolConfig().getPoolManager(), true);
        poolManager = (PoolManager) poolManagerClass.newInstance();

        //load class QSObjectPoolMaker
        Class qsObjectPoolMakerClass = getClass(getBasicConfig().getAdvancedSettings().getQsObjectPoolMaker(),
                true);
        qsObjectPoolMaker = (QSObjectPoolMaker) qsObjectPoolMakerClass.newInstance();

        loadServerHooksClasses();
        processServerHooks(ServerHook.PRE_STARTUP);

        if (getSecure().isLoad() == true)
            loadSSLContext(); //v1.4.0

        loadBusinessLogic();
    } catch (ClassNotFoundException e) {
        logger.log(Level.SEVERE, "Could not load class/s: " + e, e);
        throw new AppException("Could not load class/s : " + e);
    } catch (InstantiationException e) {
        logger.log(Level.SEVERE, "Could not instantiate class/s: " + e, e);
        throw new AppException("Could not instantiate class/s: " + e);
    } catch (IllegalAccessException e) {
        logger.log(Level.SEVERE, "Illegal access to class/s: " + e, e);
        throw new AppException("Illegal access to class/s: " + e);
    } catch (IOException e) {
        logger.log(Level.SEVERE, "IOException: " + e, e);
        throw new AppException("IOException: " + e);
    } catch (Exception e) {
        logger.log(Level.SEVERE, "Exception: " + e, e);
        logger.log(Level.FINE, "StackTrace:\n{0}", MyString.getStackTrace(e));
        throw new AppException("Exception : " + e);
    }

    //v1.3.3
    if (getSecurityManagerClass() != null) {
        System.setSecurityManager(getSecurityManager());
    }

    setServiceState(Service.INIT);
    t = new Thread(this, "QuickServer - " + getName());
    t.start();

    do {
        Thread.yield();
    } while (getServiceState() == Service.INIT);

    if (getServiceState() != Service.RUNNING) {
        if (exceptionInRun != null)
            throw new AppException("Could not start server " + getName() + "! Details: " + exceptionInRun);
        else
            throw new AppException("Could not start server " + getName());
    }
    lastStartTime = new java.util.Date();
    logger.log(Level.FINE, "Started {0}, Date: {1}", new Object[] { getName(), lastStartTime });
}

---

From source file:org.apache.hadoop.hbase.rest.RowResourceBase.java

protected static Response deleteRow(String table, String row) throws IOException {
    StringBuilder path = new StringBuilder();
    path.append('/');
    path.append(table);//  w  w  w. ja va2 s  .  c o  m
    path.append('/');
    path.append(row);
    Response response = client.delete(path.toString());
    Thread.yield();
    return response;
}

---

From source file:org.jimcat.services.jobs.Job.java

/**
 * helper methode to check running state. it may block.
 * //from  w ww.  ja  v a 2  s .  c o m
 * @return true - job can continue, false if not
 */
protected JobState checkState() {
    // check if job is suspended
    // to test if the job is suspended try aquireing the lock
    // if suspended the job will automatically wait
    suspendSemaphore.acquireUninterruptibly();
    suspendSemaphore.release();

    // check state after suspension
    synchronized (stateLock) {
        // be fair
        Thread.yield();
        return state;
    }
}

---

From source file:org.sonatype.nexus.test.booter.Jetty7NexusBooter.java

/**
 * Cleans the references to IT-realm, making it garbage collectable (naturally, this can be only "best effort").
 *//*from ww  w.j  a  v  a  2s . c  o  m*/
protected void clean() {
    if (nexusClassloader != null) {
        try {
            world.disposeRealm(nexusClassloader.getId());
        } catch (NoSuchRealmException e) {
            // huh?
        }
    }

    // drop references
    this.jetty7 = null;
    this.nexusClassloader = null;

    // give some relief for other (like JVM internal) threads
    Thread.yield();

    // force GC, may help
    System.gc();
}

---

From source file:org.apache.hadoop.hbase.rest.TestRowResource.java

@Test
public void testSingleCellGetPutBinary() throws IOException {
    final String path = "/" + TABLE + "/" + ROW_3 + "/" + COLUMN_1;
    final byte[] body = Bytes.toBytes(VALUE_3);
    Response response = client.put(path, Constants.MIMETYPE_BINARY, body);
    assertEquals(response.getCode(), 200);
    Thread.yield();

    response = client.get(path, Constants.MIMETYPE_BINARY);
    assertEquals(response.getCode(), 200);
    assertTrue(Bytes.equals(response.getBody(), body));
    boolean foundTimestampHeader = false;
    for (Header header : response.getHeaders()) {
        if (header.getName().equals("X-Timestamp")) {
            foundTimestampHeader = true;
            break;
        }//www  . ja  va2 s . c  o  m
    }
    assertTrue(foundTimestampHeader);

    response = deleteRow(TABLE, ROW_3);
    assertEquals(response.getCode(), 200);
}

---

From source file:gedi.util.FileUtils.java

/**
*Make sure that there is no strong reference left to the buffer!
* @param ref//from w w  w.  j  a va2  s . com
* @return
*/
public static boolean unmapSynchronous(WeakReference<MappedByteBuffer> ref) {
    MappedByteBuffer buffer = ref.get();
    if (buffer == null)
        return true;
    // first write all data
    buffer.force();

    // need to dispose old direct buffer, see bug
    // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4724038

    boolean useSystemGc = true;
    try {
        ((DirectBuffer) buffer).cleaner().clean();
        useSystemGc = false;
    } catch (Throwable e) {
        // useSystemGc is already true
    } finally {
    }
    if (useSystemGc) {
        buffer = null;
        long start = System.currentTimeMillis();
        while (ref.get() != null) {
            if (System.currentTimeMillis() - start > GC_TIMEOUT_MS) {
                return false;
            }
            System.gc();
            Thread.yield();
        }
    }
    return true;
}

---

From source file:org.mule.transport.ldap.functional.MuleEmbeddedTestCase.java

public void testDispatchReceiveAddStress() throws Exception {
    final MuleClient client = new MuleClient(muleContext);

    final int count = 500;

    final Runnable rec = new Runnable() {

        public void run() {

            int current = 0;

            try {

                while (current < count) {
                    MuleMessage result = client.request("ldap://ldap.in", 15000);

                    assertNotNull(result);
                    assertTrue(result.getPayload() instanceof LDAPResponse);
                    assertEquals(((LDAPResponse) result.getPayload()).getResultCode(), LDAPException.SUCCESS);
                    assertEquals(((LDAPResponse) result.getPayload()).getType(), LDAPMessage.ADD_RESPONSE);
                    logger.debug("got " + current);
                    current++;//from  ww  w  .  ja  va2  s.c  o  m
                }

            } catch (Exception e) {
                fail(e.toString());

            }

            assertTrue(current == count);

        }

    };

    final Thread t = new Thread(rec);
    t.start();

    Thread.yield();

    // we send a message on the endpoint we created, i.e. vm://Single
    for (int i = 0; i < count; i++) {
        client.dispatch("ldap://ldap.out", TestHelper.getRandomEntryAddRequest(), null);
    }

    t.join();

    try {
        DSManager.getInstance().stop();
    } catch (final Exception e) {

    }
}

---

From source file:org.apache.hadoop.hbase.rest.TestRowResource.java

@Test
public void testSingleCellGetJSON() throws IOException, JAXBException {
    final String path = "/" + TABLE + "/" + ROW_4 + "/" + COLUMN_1;
    Response response = client.put(path, Constants.MIMETYPE_BINARY, Bytes.toBytes(VALUE_4));
    assertEquals(response.getCode(), 200);
    Thread.yield();
    response = client.get(path, Constants.MIMETYPE_JSON);
    assertEquals(response.getCode(), 200);
    response = deleteRow(TABLE, ROW_4);/*from w  ww .  j a va 2 s. c o m*/
    assertEquals(response.getCode(), 200);
}

---

From source file:org.apache.hadoop.hbase.rest.RowResourceBase.java

protected static Response putValueJson(String url, String table, String row, String column, String value)
        throws IOException, JAXBException {
    RowModel rowModel = new RowModel(row);
    rowModel.addCell(new CellModel(Bytes.toBytes(column), Bytes.toBytes(value)));
    CellSetModel cellSetModel = new CellSetModel();
    cellSetModel.addRow(rowModel);//from  w w  w. java 2s  .  c  o  m
    String jsonString = jsonMapper.writeValueAsString(cellSetModel);
    Response response = client.put(url, Constants.MIMETYPE_JSON, Bytes.toBytes(jsonString));
    Thread.yield();
    return response;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• »