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:org.nightlabs.jfire.trade.Article.java

@Override
public String toString() {
    return this.getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(this)) + '['
            + organisationID + ',' + ObjectIDUtil.longObjectIDFieldToString(articleID) + ']' + "(version "
            + JDOHelper.getVersion(this) + ')';
}

From source file:org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.java

private static String addSingleFileToDistributedCache(PigContext pigContext, Configuration conf,
        String filename, String prefix) throws IOException {

    if (!pigContext.inIllustrator && !FileLocalizer.fileExists(filename, pigContext)) {
        throw new IOException("Internal error: skew join partition file " + filename + " does not exist");
    }/* w  w w .j  a  v  a  2  s. co m*/

    String symlink = filename;

    // XXX Hadoop currently doesn't support distributed cache in local mode.
    // This line will be removed after the support is added by Hadoop team.
    if (!Utils.isLocal(pigContext, conf)) {
        symlink = prefix + "_" + Integer.toString(System.identityHashCode(filename)) + "_"
                + Long.toString(System.currentTimeMillis());
        filename = filename + "#" + symlink;
        setupDistributedCache(pigContext, conf, new String[] { filename }, false);
    }

    return symlink;
}

From source file:org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.java

public void processReport() throws ReportProcessingException {
    PerformanceLoggingStopWatch swGlobal = getPerformanceMonitorContext()
            .createStopWatch(PerformanceTags.REPORT_PROCESSING);
    try {/*from  www.j  a  v a2  s  .  c  o  m*/
        swGlobal.start();
        if (AbstractReportProcessor.logger.isDebugEnabled()) {
            AbstractReportProcessor.logger.debug(new MemoryUsageMessage(
                    System.identityHashCode(Thread.currentThread()) + ": Report processing time: Starting: "));
        }
        try {
            final long startTime = System.currentTimeMillis();

            fireProcessingStarted(new ReportProgressEvent(this));

            if (isPaginated() == false) {
                // Processes the whole report ..
                prepareReportProcessing();
            }
            PerformanceLoggingStopWatch sw = getPerformanceMonitorContext()
                    .createStopWatch(PerformanceTags.REPORT_GENERATE);
            try {
                sw.start();
                final long paginateTime = System.currentTimeMillis();
                if (AbstractReportProcessor.logger.isDebugEnabled()) {
                    AbstractReportProcessor.logger
                            .debug(new MemoryUsageMessage(System.identityHashCode(Thread.currentThread())
                                    + ": Report processing time: Pagination time: "
                                    + ((paginateTime - startTime) / 1000.0)));
                }
                if (getLogicalPageCount() == 0) {
                    throw new EmptyReportException("Report did not generate any content.");
                }

                // Start from scratch ...
                PageState state = getLogicalPageState(0);
                while (state != null) {
                    state = processPage(state, true);
                }
                final long endTime = System.currentTimeMillis();
                if (AbstractReportProcessor.logger.isDebugEnabled()) {
                    AbstractReportProcessor.logger
                            .debug(new MemoryUsageMessage(System.identityHashCode(Thread.currentThread())
                                    + ": Report processing time: " + ((endTime - startTime) / 1000.0)));
                }
            } finally {
                sw.close();
            }
        } catch (EmptyReportException re) {
            throw re;
        } catch (ReportInterruptedException interrupt) {
            // log interruption stacktrace in case of debug level only
            // since interruption is ok.
            if (AbstractReportProcessor.logger.isDebugEnabled()) {
                AbstractReportProcessor.logger
                        .debug("Report processing interrupted: " + this.getClass().getName(), interrupt);
            }
            throw interrupt;
        } catch (ReportProcessingException re) {
            AbstractReportProcessor.logger
                    .error(System.identityHashCode(Thread.currentThread()) + ": Report processing failed.", re);
            throw re;
        } catch (Exception e) {
            AbstractReportProcessor.logger
                    .error(System.identityHashCode(Thread.currentThread()) + ": Report processing failed.", e);
            throw new ReportProcessingException("Failed to process the report", e);
        }
        fireProcessingFinished(new ReportProgressEvent(this, getLogicalPageCount(), getLogicalPageCount()));
        if (AbstractReportProcessor.logger.isDebugEnabled()) {
            AbstractReportProcessor.logger
                    .debug(System.identityHashCode(Thread.currentThread()) + ": Report processing finished.");
        }
    } finally {
        swGlobal.close();
    }

}

From source file:org.apache.hadoop.hive.ql.exec.tez.WorkloadManager.java

@VisibleForTesting
/**/*www  .  j a va  2s .com*/
 * Adds a test event that's processed at the end of WM iteration.
 * This allows tests to wait for an iteration to finish without messing with the threading
 * logic (that is prone to races if we e.g. remember the state before and wait for it to change,
 * self-deadlocking when triggering things explicitly and calling a blocking API, and hanging
 * forever if we wait for "another iteration"). If addTestEvent is called after all the other
 * calls of interest, it is guaranteed that the events from those calls will be processed
 * fully when the future is triggered.
 */
Future<Boolean> addTestEvent() {
    SettableFuture<Boolean> testEvent = SettableFuture.create();
    currentLock.lock();
    try {
        LOG.info("Adding test event " + System.identityHashCode(testEvent));
        current.testEvents.add(testEvent);
        notifyWmThreadUnderLock();
    } finally {
        currentLock.unlock();
    }
    return testEvent;
}

From source file:org.mule.transport.AbstractConnector.java

@Override
public String toString() {
    final StringBuffer sb = new StringBuffer(120);
    final String nl = System.getProperty("line.separator");
    sb.append(ClassUtils.getSimpleName(this.getClass()));
    // format message for multi-line output, single-line is not readable
    sb.append(nl);/*from w w  w  . jav a2  s . c  o  m*/
    sb.append("{");
    sb.append(nl);
    sb.append("  name=").append(name);
    sb.append(nl);
    sb.append("  lifecycle=")
            .append(lifecycleManager == null ? "<not in lifecycle>" : lifecycleManager.getCurrentPhase());
    sb.append(nl);
    sb.append("  this=").append(Integer.toHexString(System.identityHashCode(this)));
    sb.append(nl);
    sb.append("  numberOfConcurrentTransactedReceivers=").append(numberOfConcurrentTransactedReceivers);
    sb.append(nl);
    sb.append("  createMultipleTransactedReceivers=").append(createMultipleTransactedReceivers);
    sb.append(nl);
    sb.append("  connected=").append(connected);
    sb.append(nl);
    sb.append("  supportedProtocols=").append(supportedProtocols);
    sb.append(nl);
    sb.append("  serviceOverrides=");
    if (serviceOverrides != null) {
        for (Map.Entry<Object, Object> entry : serviceOverrides.entrySet()) {
            sb.append(nl);
            sb.append("    ").append(String.format("%s=%s", entry.getKey(), entry.getValue()));
        }
    } else {
        sb.append("<none>");
    }
    sb.append(nl);
    sb.append('}');
    sb.append(nl);
    return sb.toString();
}

From source file:com.xpn.xwiki.api.Document.java

/**
 * Drop permissions for the remainder of the rendering cycle.
 * After this is called://from   w  w w.j  a  va 2 s  .  c  o  m
 * <ul>
 * <li>1. {@link com.xpn.xwiki.api.Api#hasProgrammingRights()} will always return false.</li>
 * <li>2. {@link com.xpn.xwiki.api.XWiki#getDocumentAsAuthor(org.xwiki.model.reference.DocumentReference)},
 * {@link com.xpn.xwiki.api.XWiki#getDocumentAsAuthor(String)}, {@link com.xpn.xwiki.api.Document#saveAsAuthor()},
 * {@link com.xpn.xwiki.api.Document#saveAsAuthor(String)},
 * {@link com.xpn.xwiki.api.Document#saveAsAuthor(String, boolean)}, and
 * {@link com.xpn.xwiki.api.Document#deleteAsAuthor()} will perform all of their actions as if the document's
 * content author was the guest user (XWiki.XWikiGuest).</li>
 * </ul>
 * <p>
 * This sandboxing will expire at the end of the rendering cycle and can be suspended by
 * beginning a new rendering cycle. A rendering cycle can be begin by calling
 * {@link #getRenderedContent(String)}, {@link #display(String)} (or variations thereof)
 * or by invoking the include macro or using {@link com.xpn.xwiki.api.XWiki#includeTopic(String)}
 * <p>
 * NOTE: Even if you include the same document, permissions will be regained.
 * What this does is sandbox the remainder of the code on the page because although
 * it can temporarily suspend the permissions drop, it cannot get itself to be executed
 * with permissions because if it calls itself, it will hit the drop function first.
 * <p>
 * If you are interested in a more secure sandboxing method where code is guaranteed not
 * to have permissions for the remainder of the request, you should consider
 * {@link com.xpn.xwiki.api.Context#dropPermissions()}.
 * <p>
 *
 * @since 3.2M2
 */
public void dropPermissions() {
    // Set the droppedPermissions key to the context so if the context is cloned and
    // pushed, it will return false until it is popped again.
    final ExecutionContext context = Utils.getComponent(Execution.class).getContext();
    context.setProperty(XWikiConstant.DROPPED_PERMISSIONS, System.identityHashCode(context));
}

From source file:gdsc.smlm.ij.plugins.CreateData.java

/**
 * Get a random generator. The generators used in the simulation can be adjusted by changing this method.
 * // w ww.  j  a va2  s.co m
 * @param seedAddition
 *            Added to the seed generated from the system time
 * @return A random generator
 */
private RandomGenerator createRandomGenerator(int seedAddition) {
    return new Well44497b(System.currentTimeMillis() + System.identityHashCode(this) + seedAddition);
    //return new Well19937c(System.currentTimeMillis() + System.identityHashCode(this));
}

From source file:org.apache.geode.internal.cache.Oplog.java

private void writeOneKeyEntryForKRF(KRFEntry ke) throws IOException {
    DiskEntry de = ke.getDiskEntry();/*from www.  j  a v a 2s .  c o m*/
    long diskRegionId = ke.getDiskRegionView().getId();
    long oplogKeyId;
    byte userBits;
    long valueOffset;
    int valueLength;
    Object deKey;
    VersionHolder tag = ke.versionTag;

    synchronized (de) {
        DiskId di = de.getDiskId();
        if (di == null) {
            return;
        }
        if (de.isRemovedFromDisk()) {
            // the entry was concurrently removed
            return;
        }
        synchronized (di) {
            // Make sure each one is still in this oplog.
            if (di.getOplogId() != getOplogId()) {
                return;
            }
            userBits = di.getUserBits();
            oplogKeyId = di.getKeyId();
            valueOffset = di.getOffsetInOplog();
            valueLength = di.getValueLength();
            deKey = de.getKey();
            if (valueOffset < 0) {
                assert (EntryBits.isAnyInvalid(userBits) || EntryBits.isTombstone(userBits));
            }
        }

        if (tag == null) {
            if (EntryBits.isWithVersions(userBits) && de.getVersionStamp() != null) {
                tag = de.getVersionStamp().asVersionTag();
            } else if (de.getVersionStamp() != null) {
                throw new AssertionError("No version bits on entry we're writing to the krf " + de);
            }
        }
    }
    if (logger.isTraceEnabled(LogMarker.PERSIST_WRITES)) {
        logger.trace(LogMarker.PERSIST_WRITES,
                "krf oplogId={} key={} oplogKeyId={} de={} vo={} vl={} diskRegionId={} version tag={}", oplogId,
                deKey, oplogKeyId, System.identityHashCode(de), valueOffset, valueLength, diskRegionId, tag);
    }
    byte[] keyBytes = EntryEventImpl.serialize(deKey);

    // skip the invalid entries, theire valueOffset is -1
    writeOneKeyEntryForKRF(keyBytes, userBits, valueLength, diskRegionId, oplogKeyId, valueOffset, tag);
}

From source file:android.app.Activity.java

void dumpInner(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
    writer.print(prefix);//from w w w .  j  av  a  2  s  .  c  om
    writer.print("Local Activity ");
    writer.print(Integer.toHexString(System.identityHashCode(this)));
    writer.println(" State:");
    String innerPrefix = prefix + "  ";
    writer.print(innerPrefix);
    writer.print("mResumed=");
    writer.print(mResumed);
    writer.print(" mStopped=");
    writer.print(mStopped);
    writer.print(" mFinished=");
    writer.println(mFinished);
    writer.print(innerPrefix);
    writer.print("mLoadersStarted=");
    writer.println(mLoadersStarted);
    writer.print(innerPrefix);
    writer.print("mChangingConfigurations=");
    writer.println(mChangingConfigurations);
    writer.print(innerPrefix);
    writer.print("mCurrentConfig=");
    writer.println(mCurrentConfig);
    if (mLoaderManager != null) {
        writer.print(prefix);
        writer.print("Loader Manager ");
        writer.print(Integer.toHexString(System.identityHashCode(mLoaderManager)));
        writer.println(":");
        mLoaderManager.dump(prefix + "  ", fd, writer, args);
    }
    mFragments.dump(prefix, fd, writer, args);
    writer.print(prefix);
    writer.println("View Hierarchy:");
    dumpViewHierarchy(prefix + "  ", writer, getWindow().getDecorView());
}