Example usage for java.lang System identityHashCode

Introduction

In this page you can find the example usage for java.lang System identityHashCode.

Prototype

@HotSpotIntrinsicCandidate
public static native int identityHashCode(Object x);

Source Link

Document

Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode().

Usage

From source file:org.codebistro.jsonrpc.Client.java

public Object invoke(Object proxyObj, Method method, Object[] args) throws Throwable {
    String methodName = method.getName();
    if (methodName.equals("hashCode")) {
        return new Integer(System.identityHashCode(proxyObj));
    } else if (methodName.equals("equals")) {
        return (proxyObj == args[0] ? Boolean.TRUE : Boolean.FALSE);
    } else if (methodName.equals("toString")) {
        return proxyObj.getClass().getName() + '@' + Integer.toHexString(proxyObj.hashCode());
    }/*ww w.j  av a2 s. c o m*/
    JSONObject message = new JSONObject();
    String tag = proxyMap.get(proxyObj);
    String methodTag = tag == null ? "" : tag + ".";
    methodTag += methodName;
    message.put("method", methodTag);

    JSONArray params = new JSONArray();
    if (args != null) {
        for (Object arg : args) {
            SerializerState state = new SerializerState();
            params.put(message2Object.marshall(state, arg));
        }
    }
    message.put("params", params);
    message.put("id", 1);
    JSONObject responseMessage = session.sendAndReceive(message);
    if (!responseMessage.has("result"))
        processException(responseMessage);
    Object rawResult = responseMessage.get("result");
    if (rawResult == null) {
        processException(responseMessage);
    }
    Class<?> returnType = method.getReturnType();
    if (returnType.equals(Void.TYPE))
        return null;
    SerializerState state = new SerializerState();
    return message2Object.unmarshall(state, returnType, rawResult);
}

From source file:org.compass.core.transaction.LocalTransaction.java

public void begin() throws CompassException {
    if (log.isDebugEnabled()) {
        log.debug("Starting a new local transcation on thread [" + Thread.currentThread().getName()
                + "] Compass [" + System.identityHashCode(compass) + "] Session ["
                + System.identityHashCode(session) + "]");
    }//from  ww w . j  av a  2s .c  o m
    session.getSearchEngine().begin();
    state = STARTED;
}

From source file:com.github.dbourdette.glass.tools.UtilsTool.java

public String hash(Object object) {
    if (object == null) {
        return "";
    }/*from   w  w  w. j  a  va2 s  . c  om*/

    return object.getClass().getSimpleName() + "-" + System.identityHashCode(object);
}

From source file:at.ac.tuwien.infosys.jcloudscale.utility.ReferenceHashmap.java

@Override
public V put(K key, V value) {

    int hash = System.identityHashCode(key);

    // add to key map
    List<WeakReference<K>> _keys = keys.get(hash);
    if (_keys == null) {
        _keys = new ArrayList<WeakReference<K>>();
        keys.put(hash, _keys);/*from w w  w. j  a va  2s .  co  m*/
    }
    _keys.add(new WeakReference<K>(key));

    // add to value map
    List<Entry<WeakReference<K>, V>> _entries = values.get(hash);
    if (_entries == null) {
        _entries = new ArrayList<>();
        values.put(hash, _entries);
    }
    _entries.add(new MapEntry<>(new WeakReference<K>(key), value));

    size++;

    return null;

}

From source file:org.apache.qpid.server.filter.JMSSelectorFilter.java

public boolean matches(Filterable message) {

    boolean match = _matcher.matches(wrap(message));
    if (_logger.isDebugEnabled()) {
        _logger.debug(message + " match(" + match + ") selector(" + System.identityHashCode(_selector) + "):"
                + _selector);/*from w ww. j  a v  a2 s  .  c o m*/
    }
    return match;
}

From source file:chronos.web.controllers.IndexController.java

/**
 * @param model//from w  w  w .  ja  v a 2 s. c o  m
 *        {@link Model}
 */
@RequestMapping("/index.html")
public final void index(final Model model) {
    model.addAttribute("now", new Date());
    try {
        final StdSchedulerFactory factory = new StdSchedulerFactory();
        factory.initialize();
        final Scheduler scheduler = factory.getScheduler();
        logger.debug("Got scheduler "
                + getUniqueIdentifier(scheduler.getSchedulerName(), scheduler.getSchedulerInstanceId()) + "@"
                + System.identityHashCode(scheduler));
        model.addAttribute("jobGroups", extractJobGroups(scheduler));
        model.addAttribute("triggerGroups", extractTriggers(scheduler));
    } catch (final SchedulerException e) {
        logger.error(e.getMessage(), e);
    }
}

From source file:gridool.util.GridUtils.java

@Nonnull
public static String generateJobId(@Nonnull String localNodeId, @Nonnull GridJob job) {
    final long time = System.nanoTime();
    final int hashcode = System.identityHashCode(job);
    long tid = Thread.currentThread().getId();
    return localNodeId + '#' + Long.toString(time) + '/' + Integer.toString(hashcode) + 'T'
            + Long.toString(tid);
}

From source file:org.springmodules.cache.interceptor.MetadataCacheAttributeSource.java

private String key(Method m, Class t) {
    return t.toString() + System.identityHashCode(m);
}

From source file:org.ops4j.gaderian.impl.ShutdownCoordinatorImpl.java

private void shutdown(RegistryShutdownListener s) {
    if (alreadyShutdown == null) {
        alreadyShutdown = new HashSet();
    }// w  ww. j  a  va2  s .co m
    final Long id = new Long(System.identityHashCode(s));
    if (!alreadyShutdown.contains(id)) {
        try {
            s.registryDidShutdown();
        } catch (RuntimeException ex) {
            _log.error(ImplMessages.shutdownCoordinatorFailure(s, ex), ex);
        } finally {
            alreadyShutdown.add(id);
        }
    }
}

From source file:org.apache.mnemonic.collections.DurableSinglyLinkedListNGTest.java

@BeforeClass
public void setUp() {
    m_rand = Utils.createRandom();/*from   ww w  .j  a va  2s  .c o  m*/
    m_act = new NonVolatileMemAllocator(Utils.getNonVolatileMemoryAllocatorService("pmalloc"),
            1024 * 1024 * 1024, "./pobj_NodeValue.dat", true);
    cKEYCAPACITY = m_act.handlerCapacity();
    m_act.setBufferReclaimer(new Reclaim<ByteBuffer>() {
        @Override
        public boolean reclaim(ByteBuffer mres, Long sz) {
            System.out.println(String.format("Reclaim Memory Buffer: %X  Size: %s",
                    System.identityHashCode(mres), null == sz ? "NULL" : sz.toString()));
            return false;
        }
    });
    m_act.setChunkReclaimer(new Reclaim<Long>() {
        @Override
        public boolean reclaim(Long mres, Long sz) {
            System.out.println(String.format("Reclaim Memory Chunk: %X  Size: %s",
                    System.identityHashCode(mres), null == sz ? "NULL" : sz.toString()));
            return false;
        }
    });

    for (long i = 0; i < cKEYCAPACITY; ++i) {
        m_act.setHandler(i, 0L);
    }
}