Example usage for java.lang System identityHashCode

List of usage examples for java.lang System identityHashCode

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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:de.ailis.midi4js.Midi4JS.java

/**
 * Creates a new receiver and returns the handle on it.
 *
 * @return The handle for the receiver.//from w  ww.j  a v  a  2 s. c o  m
 */
public int createReceiver() {
    final Receiver receiver = new MessageReceiver(this);
    final int handle = System.identityHashCode(receiver);
    this.receiverMap.put(handle, receiver);
    return handle;
}

From source file:com.ayuget.redface.ui.fragment.PostsFragment.java

/**
 * Defer posts loading until current fragment is visible in the ViewPager. Avoids screwing with
 * forum's read/unread markers.//w  ww .ja va  2 s.co  m
 */
@Subscribe
public void onPageSelectedEvent(PageSelectedEvent event) {
    if (!isInitialPage() && event.getTopic() == topic && event.getPage() == currentPage && isVisible()) {
        Log.d(LOG_TAG, String.format("@%d -> Fragment(currentPage=%d) received event for page %d selected",
                System.identityHashCode(this), currentPage, event.getPage()));

        if (displayedPosts != null && displayedPosts.size() == 0) {
            loadPage(currentPage);
        }
    }
}

From source file:com.ayuget.redface.ui.fragment.PostsFragment.java

@Subscribe
public void onPageRefreshRequestEvent(PageRefreshRequestEvent event) {
    if (event.getTopic().getId() == topic.getId() && isVisible()) {
        Log.d(LOG_TAG, String.format("@%d -> Fragment(currentPage=%d) -> Refresh requested event",
                System.identityHashCode(this), currentPage));

        savePageScrollPosition();/*  w ww  .  j av  a2 s  .co m*/
        showLoadingIndicator();
        loadPage(currentPage);
    }
}

From source file:com.meltmedia.cadmium.servlets.ClassLoaderLeakPreventor.java

public void contextDestroyed(ServletContextEvent servletContextEvent) {

    final boolean jvmIsShuttingDown = isJvmShuttingDown();
    if (jvmIsShuttingDown) {
        info("JVM is shutting down - skip cleanup");
        return; // Don't do anything more
    }//from www  .  ja va2 s .  c om

    info(getClass().getName() + " shutting down context by removing known leaks (CL: 0x"
            + Integer.toHexString(System.identityHashCode(getWebApplicationClassLoader())) + ")");

    //////////////////
    // Fix known leaks
    //////////////////

    java.beans.Introspector.flushCaches(); // Clear cache of strong references

    // Apache Commons Pool can leave unfinished threads. Anything specific we can do?

    clearBeanELResolverCache();

    fixBeanValidationApiLeak();

    fixJsfLeak();

    fixGeoToolsLeak();

    // Can we do anything about Google Guice ?

    // Can we do anything about Groovy http://jira.codehaus.org/browse/GROOVY-4154 ?

    clearIntrospectionUtilsCache();

    // Can we do anything about Logback http://jira.qos.ch/browse/LBCORE-205 ?

    // Force the execution of the cleanup code for JURT; see https://issues.apache.org/ooo/show_bug.cgi?id=122517
    forceStartOpenOfficeJurtCleanup();

    ////////////////////
    // Fix generic leaks

    // Deregister JDBC drivers contained in web application
    deregisterJdbcDrivers();

    // Unregister MBeans loaded by the web application class loader
    unregisterMBeans();

    // Deregister shutdown hooks - execute them immediately
    deregisterShutdownHooks();

    deregisterPropertyEditors();

    deregisterSecurityProviders();

    clearDefaultAuthenticator();

    deregisterRmiTargets();

    clearThreadLocalsOfAllThreads();

    stopThreads();

    destroyThreadGroups();

    unsetCachedKeepAliveTimer();

    try {
        try { // First try Java 1.6 method
            final Method clearCache16 = ResourceBundle.class.getMethod("clearCache", ClassLoader.class);
            debug("Since Java 1.6+ is used, we can call " + clearCache16);
            clearCache16.invoke(null, getWebApplicationClassLoader());
        } catch (NoSuchMethodException e) {
            // Not Java 1.6+, we have to clear manually
            final Map<?, ?> cacheList = getStaticFieldValue(ResourceBundle.class, "cacheList"); // Java 5: SoftCache extends AbstractMap
            final Iterator<?> iter = cacheList.keySet().iterator();
            Field loaderRefField = null;
            while (iter.hasNext()) {
                Object key = iter.next(); // CacheKey

                if (loaderRefField == null) { // First time
                    loaderRefField = key.getClass().getDeclaredField("loaderRef");
                    loaderRefField.setAccessible(true);
                }
                WeakReference<ClassLoader> loaderRef = (WeakReference<ClassLoader>) loaderRefField.get(key); // LoaderReference extends WeakReference
                ClassLoader classLoader = loaderRef.get();

                if (isWebAppClassLoaderOrChild(classLoader)) {
                    info("Removing ResourceBundle from cache: " + key);
                    iter.remove();
                }

            }
        }
    } catch (Exception ex) {
        error(ex);
    }

    // (CacheKey of java.util.ResourceBundle.NONEXISTENT_BUNDLE will point to first referring classloader...)

    // Release this classloader from Apache Commons Logging (ACL) by calling
    //   LogFactory.release(getCurrentClassLoader());
    // Use reflection in case ACL is not present.
    // Do this last, in case other shutdown procedures want to log something.

    final Class logFactory = findClass("org.apache.commons.logging.LogFactory");
    if (logFactory != null) { // Apache Commons Logging present
        info("Releasing web app classloader from Apache Commons Logging");
        try {
            logFactory.getMethod("release", java.lang.ClassLoader.class).invoke(null,
                    getWebApplicationClassLoader());
        } catch (Exception ex) {
            error(ex);
        }
    }

}

From source file:org.nuxeo.ecm.core.repository.jcr.JCRSession.java

@Override
public String toString() {
    String sessionStr = session == null ? "N/A" : session.toString();
    return System.identityHashCode(this) + ":" + sid + ':' + sessionStr;
}

From source file:org.pentaho.reporting.engine.classic.core.cache.CachingDataFactory.java

private TableModel queryInternal(final String query, final DataRow parameters, final QueryStyle queryStyle)
        throws ReportDataFactoryException {
    if (profileDataSources && CachingDataFactory.logger.isDebugEnabled()) {
        CachingDataFactory.logger/* w w  w  .ja  va2 s . co m*/
                .debug(System.identityHashCode(Thread.currentThread()) + ": Query processing time: Starting");
    }
    final long startTime = System.currentTimeMillis();
    try {
        final StaticDataRow params = new StaticDataRow(parameters);
        final TableModel dataFromQuery;
        switch (queryStyle) {
        case FreeForm:
            dataFromQuery = backend.queryFreeForm(query, params);
            break;
        case Static:
            dataFromQuery = backend.queryStatic(query, params);
            break;
        case General:
            dataFromQuery = backend.queryData(query, params);
            break;
        default:
            throw new IllegalStateException();
        }
        if (dataFromQuery == null) {
            // final DefaultTableModel value = new DefaultTableModel();
            if (debugDataSources && CachingDataFactory.logger.isDebugEnabled()) {
                CachingDataFactory.logger.debug("Query failed for query '" + query + '\'');
            }
            return null;
        } else {
            if (debugDataSources && CachingDataFactory.logger.isDebugEnabled()) {
                CachingDataFactory.printTableModelContents(dataFromQuery);
            }
            // totally new query here.
            CachingDataFactory.logger.debug("Query returned a data-set for query '" + query + '\'');
            return dataFromQuery;
        }
    } finally {
        final long queryTime = System.currentTimeMillis();
        if (profileDataSources && CachingDataFactory.logger.isDebugEnabled()) {
            CachingDataFactory.logger.debug(System.identityHashCode(Thread.currentThread())
                    + ": Query processing time: " + ((queryTime - startTime) / 1000.0));
        }
    }
}

From source file:com.genologics.ri.userdefined.UDF.java

/**
 * Create a message for the MissingUDFException when {@code failMessage} is not set.
 *
 * @param thing The object the UDF is set on.
 * @param name The name of the UDF.//from   w  ww .  j  a va 2s.  c  o  m
 * @param failMessage The fail message supplied by the caller.
 *
 * @return A suitable failure message for the exception.
 */
private static String getMissingUDFMessage(Object thing, String name, String failMessage) {
    if (failMessage == null) {
        if (thing == null) {
            failMessage = "UDF \"" + name + "\" does not exist because 'thing' is null.";
        } else {
            String better = "UDF \"{0}\" does not exist on {1} {2}";
            if (thing instanceof LimsEntityLinkable<?>) {
                LimsEntityLinkable<?> linkable = (LimsEntityLinkable<?>) thing;
                failMessage = MessageFormat.format(better, name, ClassUtils.getShortClassName(thing.getClass()),
                        linkable.getLimsid());
            } else if (thing instanceof Locatable) {
                Locatable locatable = (Locatable) thing;
                failMessage = MessageFormat.format(better, name, ClassUtils.getShortClassName(thing.getClass()),
                        locatable.getUri());
            } else {
                failMessage = MessageFormat.format(better, name, ClassUtils.getShortClassName(thing.getClass()),
                        Integer.toHexString(System.identityHashCode(thing)));
            }
        }
    }
    return failMessage;
}

From source file:org.mule.transformer.AbstractTransformer.java

@Override
public String toString() {
    StringBuffer sb = new StringBuffer(80);
    sb.append(ClassUtils.getSimpleName(this.getClass()));
    sb.append("{this=").append(Integer.toHexString(System.identityHashCode(this)));
    sb.append(", name='").append(name).append('\'');
    sb.append(", ignoreBadInput=").append(ignoreBadInput);
    sb.append(", returnClass=").append(returnType);
    sb.append(", sourceTypes=").append(sourceTypes);
    sb.append('}');
    return sb.toString();
}

From source file:org.kitodo.filemanagement.locking.LockManagement.java

/**
 * With this method, file management reports that it has opened a read
 * channel for a URI. It wraps around the stream with a stream guard because
 * the lock management must be able to detect when the stream is shut down
 * because it depends on whether the lock in question can be reset, is
 * automatically reset, or other locks can be granted or not.
 * /*from  w  ww . j av  a 2 s.  co  m*/
 * @param uri
 *            URI to which a read channel was opened
 * @param readChannel
 *            the opened input stream
 * @param lockingResult
 *            the authorization object
 * @return the input stream that the user should use. The input stream is
 *         wrapped in an instance of a vigilant input stream that notifies
 *         the lock management when the stream is closed.
 */
public InputStream reportGrant(URI uri, InputStream readChannel, LockResult lockingResult) {
    GrantedAccess permissions = (GrantedAccess) lockingResult;
    if (logger.isTraceEnabled()) {
        logger.trace("For {}, the reading channel {} was opened to {}.", permissions,
                Integer.toHexString(System.identityHashCode(readChannel)), uri);
    }
    AbstractLock lock = permissions.getLock(uri);
    if (lock instanceof UpgradeableReadLock) {
        ((UpgradeableReadLock) lock).noteReadingStarts();
    }
    VigilantInputStream vigilantInputStream = new VigilantInputStream(uri, readChannel, streamManagement,
            permissions);
    streamManagement.registerStreamGuard(vigilantInputStream);
    return vigilantInputStream;
}

From source file:org.jboss.tools.openshift.internal.ui.wizard.deployimage.ServicesAndRoutingPage.java

protected TableViewer createTable(Composite tableContainer) {
    Table table = new Table(tableContainer, SWT.BORDER | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.H_SCROLL);
    table.setLinesVisible(true);// w  w w.  j a  va2s  .c o  m
    table.setHeaderVisible(true);

    TableViewer viewer = new TableViewerBuilder(table, tableContainer).column("Name").align(SWT.LEFT).weight(2)
            .minWidth(50).buildColumn().column("Service Port").align(SWT.LEFT).weight(1).minWidth(25)
            .buildColumn().column("Pod Port").align(SWT.LEFT).weight(1).minWidth(25).buildColumn()
            .column(new ColumnLabelProvider() {
                @Override
                public Image getImage(Object element) {
                    boolean selected = ((ServicePortAdapter) element).isRoutePort();
                    return selected ? OpenShiftImages.CHECKED_IMG : OpenShiftImages.UNCHECKED_IMG;
                }

                @Override
                public String getText(Object element) {
                    return null;
                }

            }).name("Used by route").align(SWT.LEFT).weight(1).buildColumn().buildViewer();
    viewer.addDoubleClickListener(new EditHandler());
    /*
     * required because otherwise values are cached and causes the ObservableMapLabelProvider
     * not to be updated because remove are not propagated.
     */
    viewer.setComparer(new IElementComparer() {

        @Override
        public int hashCode(Object element) {
            return System.identityHashCode(element);
        }

        @Override
        public boolean equals(Object a, Object b) {
            return a == b;
        }
    });
    return viewer;
}