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:IK.AbstractBone.java

public AbstractBone(AbstractArmature parArma, DVector tipHeading, DVector rollHeading, String inputTag,
        double inputBoneHeight, frameType coordinateType) throws NullParentForBoneException {

    if (parArma != null) {
        if (this.tag == null || this.tag == "") {
            this.tag = Integer.toString(System.identityHashCode(this));
        } else//  w  ww  .jav a2 s  .co m
            this.tag = inputTag;

        Ray tipHeadingRay = new Ray(parArma.localAxes.origin(), tipHeading);
        tipHeadingRay.getRayScaledTo(inputBoneHeight);
        Ray rollHeadingRay = new Ray(parArma.localAxes.origin(), rollHeading);
        DVector tempTip = new DVector();
        DVector tempRoll = new DVector();
        DVector tempX = new DVector();

        if (coordinateType == frameType.GLOBAL) {
            tempTip = tipHeadingRay.heading();
            tempRoll = rollHeadingRay.heading();
        } else if (coordinateType == frameType.RELATIVE) {
            tempTip = parArma.localAxes.getGlobalOf(tipHeadingRay.heading());
            tempRoll = parArma.localAxes.getGlobalOf(rollHeadingRay.heading());
        } else {
            System.out.println("WOAH WOAH WOAH");
        }

        tempX = tempRoll.cross(tempTip);
        tempRoll = tempX.cross(tempTip);

        this.parentArmature = parArma;
        parentArmature.addToBoneList(this);

        generateAxes(parentArmature.localAxes.origin(), tempX, tempTip, tempRoll);
        this.localAxes.orthogonalize();
        localAxes.setParent(parentArmature.localAxes);
        previousOrientation = localAxes.attachedCopy(true);

        majorRotationAxes = parentArmature.localAxes().getAbsoluteCopy();
        majorRotationAxes.setParent(parentArmature.localAxes());

        this.boneHeight = inputBoneHeight;
        //this.updateSegmentedArmature();   

    } else {
        throw new NullParentForBoneException();
    }

}

From source file:net.datenwerke.sandbox.SandboxLoader.java

@Override
protected Class<?> loadClass(final String name, boolean resolve) throws ClassNotFoundException {
    Class clazz = null;/*from ww  w.  j a  va  2s . c  om*/

    if (debug)
        logger.log(Level.INFO,
                getName() + "(" + System.identityHashCode(this) + ")" + " about to load class: " + name);

    if (null != enhancer)
        enhancer.classtoBeLoaded(this, name, resolve);

    boolean trustedSource = false;

    if (name.startsWith("java.") || bypassClazz(name)) {
        clazz = super.loadClass(name, resolve);

        /* check if it comes from an available jar */
        if (!name.startsWith("java.") && null != whitelistedUcp) {
            String path = name.replace('.', '/').concat(".class");

            Resource res = whitelistedUcp.getResource(path, false);
            if (res != null)
                trustedSource = true;
        }

    } else {
        /* check subcontext */
        if (hasSubloaders) {
            SandboxLoader subLoader = doGetSubLoaderByClassContext(name);
            if (null != subLoader)
                return subLoader.loadClass(name, resolve);
        }

        /* check if we have already handeled this class */
        clazz = findLoadedClass(name);
        if (clazz != null) {
            if (null != whitelistedUcp) {
                String path = name.replace('.', '/').concat(".class");
                Resource res = whitelistedUcp.getResource(path, false);
                if (res != null)
                    trustedSource = true;
            }
        } else {
            try {
                String basePath = name.replace('.', '/');
                String path = basePath.concat(".class");

                ProtectionDomain domain = null;
                try {
                    CodeSource codeSource = new CodeSource(new URL("file", "", codesource.concat(basePath)),
                            (java.security.cert.Certificate[]) null);
                    domain = new ProtectionDomain(codeSource, new Permissions(), this, null);
                } catch (MalformedURLException e) {
                    throw new RuntimeException("Could not create protection domain.");
                }

                /* define package */
                int i = name.lastIndexOf('.');
                if (i != -1) {
                    String pkgName = name.substring(0, i);
                    java.lang.Package pkg = getPackage(pkgName);
                    if (pkg == null) {
                        definePackage(pkgName, null, null, null, null, null, null, null);
                    }
                }

                /* first strategy .. check jars */
                if (null != whitelistedUcp) {
                    Resource res = whitelistedUcp.getResource(path, false);
                    if (res != null) {
                        byte[] cBytes = enhance(name, res.getBytes());
                        clazz = defineClass(name, cBytes, 0, cBytes.length, domain);
                        trustedSource = true;
                    }
                }

                /* load class */
                if (clazz == null) {
                    InputStream in = null;
                    try {
                        /* we only load from local sources */
                        in = parent.getResourceAsStream(path);
                        byte[] cBytes = null;
                        if (in != null)
                            cBytes = IOUtils.toByteArray(in);

                        if (null == cBytes && null != enhancer)
                            cBytes = enhancer.loadClass(this, name);
                        if (null == cBytes)
                            throw new ClassNotFoundException("Could not find " + name);

                        /* load and define class */
                        cBytes = enhance(name, cBytes);
                        clazz = defineClass(name, cBytes, 0, cBytes.length, domain);
                    } finally {
                        if (null != in) {
                            try {
                                in.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }
                    }
                }

                /* do we need to resolve */
                if (resolve)
                    resolveClass(clazz);
            } catch (IOException e) {
                throw new ClassNotFoundException("Could not load " + name, e);
            } catch (Exception e) {
                throw new ClassNotFoundException("Could not load " + name, e);
            }
        }
    }

    if (!trustedSource && null != clazz && null != securityManager)
        securityManager.checkClassAccess(name);

    if (null != enhancer)
        enhancer.classLoaded(this, name, clazz);

    return clazz;
}

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

@Override
public String toString() {
    final StringBuffer sb = new StringBuffer(80);
    sb.append(ClassUtils.getSimpleName(this.getClass()));
    sb.append("{this=").append(Integer.toHexString(System.identityHashCode(this)));
    sb.append(", endpoint=").append(endpoint.getEndpointURI());
    sb.append(", disposed=").append(getLifecycleState().isDisposed());
    sb.append('}');
    return sb.toString();
}

From source file:org.gachette.spi.graphprovider.collection.CollectionGraphProvider.java

private int calculateHashCode(Object object) {
    if (object instanceof GachetteProxy) {
        return System.identityHashCode(((GachetteProxy) object).getOriginalObject());
    } else {/*from  ww w  . ja va 2 s  .  co  m*/
        return System.identityHashCode(object);
    }
}

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

public SimpleStyleSheet getComputedStyle() {
    final SimpleStyleSheet computedStyle = (SimpleStyleSheet) this.attributes
            .getAttribute(AttributeNames.Internal.NAMESPACE, AttributeNames.Internal.COMPUTED_STYLE);
    if (computedStyle == null) {
        final int hc = System.identityHashCode(this);
        throw new InvalidReportStateException("No computed style for (" + hc + ") - " + this);
    }//from   w w  w  . j  av a 2s  .c  o m
    return computedStyle;
}

From source file:org.springframework.context.annotation.ConfigurationClassPostProcessor.java

/**
 * Derive further bean definitions from the configuration classes in the registry.
 *///from w  w w  .ja va 2 s.  co m
@Override
public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) {
    int registryId = System.identityHashCode(registry);
    if (this.registriesPostProcessed.contains(registryId)) {
        throw new IllegalStateException(
                "postProcessBeanDefinitionRegistry already called on this post-processor against " + registry);
    }
    if (this.factoriesPostProcessed.contains(registryId)) {
        throw new IllegalStateException(
                "postProcessBeanFactory already called on this post-processor against " + registry);
    }
    this.registriesPostProcessed.add(registryId);

    processConfigBeanDefinitions(registry);
}

From source file:org.apache.hadoop.hive.llap.cache.LlapAllocatorBuffer.java

private String toDebugString(long state) {
    return "0x" + Integer.toHexString(System.identityHashCode(this)) + "(" + State.getArena(state) + ":"
            + State.getHeader(state) + "; " + allocSize + "; " + State.toFlagString(State.getAllFlags(state))
            + ")";
}

From source file:org.broadleafcommerce.common.copy.MultiTenantCopyContext.java

public Object removeOriginalIdentifier(Object copy) {
    if (currentEquivalentMap.containsKey(System.identityHashCode(copy))) {
        currentCloneMap.remove(System.identityHashCode(copy));
        String valKey = currentEquivalentMap.remove(System.identityHashCode(copy));
        return Long.parseLong(valKey.substring(valKey.indexOf("_") + 1, valKey.length()));
    }/*from ww  w .  j av  a2 s .  c  o  m*/
    return null;
}

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

public void contextInitialized(ServletContextEvent servletContextEvent) {
    final ServletContext servletContext = servletContextEvent.getServletContext();
    stopThreads = !"false".equals(servletContext.getInitParameter("ClassLoaderLeakPreventor.stopThreads"));
    stopTimerThreads = !"false"
            .equals(servletContext.getInitParameter("ClassLoaderLeakPreventor.stopTimerThreads"));
    executeShutdownHooks = !"false"
            .equals(servletContext.getInitParameter("ClassLoaderLeakPreventor.executeShutdownHooks"));
    threadWaitMs = getIntInitParameter(servletContext, "ClassLoaderLeakPreventor.threadWaitMs",
            THREAD_WAIT_MS_DEFAULT);/*from  ww  w. j a v a2s  .c  o  m*/
    shutdownHookWaitMs = getIntInitParameter(servletContext, "ClassLoaderLeakPreventor.shutdownHookWaitMs",
            SHUTDOWN_HOOK_WAIT_MS_DEFAULT);

    info("Settings for " + this.getClass().getName() + " (CL: 0x"
            + Integer.toHexString(System.identityHashCode(getWebApplicationClassLoader())) + "):");
    info("  stopThreads = " + stopThreads);
    info("  stopTimerThreads = " + stopTimerThreads);
    info("  executeShutdownHooks = " + executeShutdownHooks);
    info("  threadWaitMs = " + threadWaitMs + " ms");
    info("  shutdownHookWaitMs = " + shutdownHookWaitMs + " ms");

    final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();

    try {
        // If package org.jboss is found, we may be running under JBoss
        mayBeJBoss = (contextClassLoader.getResource("org/jboss") != null);
    } catch (Exception ex) {
        // Do nothing
    }

    info("Initializing context by loading some known offenders with system classloader");

    // This part is heavily inspired by Tomcats JreMemoryLeakPreventionListener  
    // See http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java?view=markup
    try {
        // Switch to system classloader in before we load/call some JRE stuff that will cause 
        // the current classloader to be available for garbage collection
        Thread.currentThread().setContextClassLoader(ClassLoader.getSystemClassLoader());

        java.awt.Toolkit.getDefaultToolkit(); // Will start a Thread

        java.security.Security.getProviders();

        java.sql.DriverManager.getDrivers(); // Load initial drivers using system classloader

        javax.imageio.ImageIO.getCacheDirectory(); // Will call sun.awt.AppContext.getAppContext()

        try {
            Class.forName("javax.security.auth.Policy").getMethod("getPolicy").invoke(null);
        } catch (IllegalAccessException iaex) {
            error(iaex);
        } catch (InvocationTargetException itex) {
            error(itex);
        } catch (NoSuchMethodException nsmex) {
            error(nsmex);
        } catch (ClassNotFoundException e) {
            // Ignore silently - class is deprecated
        }

        try {
            javax.xml.parsers.DocumentBuilderFactory.newInstance().newDocumentBuilder();
        } catch (Exception ex) { // Example: ParserConfigurationException
            error(ex);
        }

        try {
            Class.forName("javax.xml.bind.DatatypeConverterImpl"); // Since JDK 1.6. May throw java.lang.Error
        } catch (ClassNotFoundException e) {
            // Do nothing
        }

        try {
            Class.forName("javax.security.auth.login.Configuration", true, ClassLoader.getSystemClassLoader());
        } catch (ClassNotFoundException e) {
            // Do nothing
        }

        // This probably does not affect classloaders, but prevents some problems with .jar files
        try {
            // URL needs to be well-formed, but does not need to exist
            new URL("jar:file://dummy.jar!/").openConnection().setDefaultUseCaches(false);
        } catch (Exception ex) {
            error(ex);
        }

        /////////////////////////////////////////////////////
        // Load Sun specific classes that may cause leaks

        final boolean isSunJRE = System.getProperty("java.vendor").startsWith("Sun");

        try {
            Class.forName("com.sun.jndi.ldap.LdapPoolManager");
        } catch (ClassNotFoundException cnfex) {
            if (isSunJRE)
                error(cnfex);
        }

        try {
            Class.forName("sun.java2d.Disposer"); // Will start a Thread
        } catch (ClassNotFoundException cnfex) {
            if (isSunJRE && !mayBeJBoss) // JBoss blocks this package/class, so don't warn
                error(cnfex);
        }

        try {
            Class<?> gcClass = Class.forName("sun.misc.GC");
            final Method requestLatency = gcClass.getDeclaredMethod("requestLatency", long.class);
            requestLatency.invoke(null, 3600000L);
        } catch (ClassNotFoundException cnfex) {
            if (isSunJRE)
                error(cnfex);
        } catch (NoSuchMethodException nsmex) {
            error(nsmex);
        } catch (IllegalAccessException iaex) {
            error(iaex);
        } catch (InvocationTargetException itex) {
            error(itex);
        }

        // Cause oracle.jdbc.driver.OracleTimeoutPollingThread to be started with contextClassLoader = system classloader  
        try {
            Class.forName("oracle.jdbc.driver.OracleTimeoutThreadPerVM");
        } catch (ClassNotFoundException e) {
            // Ignore silently - class not present
        }
    } finally {
        // Reset original classloader
        Thread.currentThread().setContextClassLoader(contextClassLoader);
    }
}

From source file:it.unibo.alchemist.boundary.monitors.RecordingMonitor.java

/**
 * Save in a svg file a screenshot of the current source.
 * /*from   w  w  w . j av  a2 s  . co  m*/
 * @param env
 *            unused
 * @param r
 *            unused
 * @param time
 *            the current time of the simulation that could be added to the
 *            file name
 * @param step
 *            the current step of the simulation that could be added to the
 *            file name
 */
@SuppressWarnings("unchecked")
private void saveScreenshot(final Environment<T> env, final Reaction<T> r, final Time time, final long step) {
    assert source == sourceComponent; // NOPMD
    if (source != null) {
        source.stepDone(env, r, time, step);
        if (System.identityHashCode(fpCache) != System.identityHashCode(getFilePath())) {
            fpCache = getFilePath();
        }

        if (System.identityHashCode(efCache) != System.identityHashCode(getEffectsFile())) {
            efCache = getEffectsFile();
            List<Effect> effects = null;
            try {
                effects = (List<Effect>) FileUtilities.fileToObject(getEffectsFile());
            } catch (IOException | ClassNotFoundException e1) {
                effects = defEffects;
            } finally {
                source.setEffectStack(effects);
                sourceComponent.revalidate();
            }
        }

        final int zoomVal = zoom.getVal();
        final double[] offset = env.getOffset();
        final double[] size = env.getSize();
        offset[0] += size[0] / 2;
        offset[1] += size[1] / 2;
        final Position center = new Continuous2DEuclidean(offset);
        source.zoomTo(center, zoomVal);
        sourceComponent.revalidate();

        //            source.getWormhole().setViewPosition(new Point(width.getVal() * povX.getVal() / 100,
        //                    (height.getVal() * povY.getVal() / 100) + height.getVal()));

        lastStep = step;
        lastUpdate = time.toDouble();
        final String currentStep = isLoggingStep() ? getSeparator() + step : "";
        final String currentTime = isLoggingTime() ? getSeparator() + time : "";

        try {
            final boolean dir = new File(fpCache).mkdirs();
            writer = new PrintStream(new File(fpCache + System.getProperty("file.separator") + screenCounter++
                    + currentStep + currentTime + ".svg"), StandardCharsets.UTF_8.name());
            if (!dir) {
                L.error("Cannot create monitor");
            }
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            L.error("Cannot create monitor", e);
        }

        svgGraphicator = new SVGGraphics2D(width.getVal(), height.getVal());
        source.setDrawLinks(drawLinks);
        //            final Method paintComponent = sourceComponent.getClass().getMethod("paintComponent", Graphics.class);
        //            paintComponent.setAccessible(true);
        //            paintComponent.invoke(sourceComponent, svgGraphicator);
        sourceComponent.paint(svgGraphicator);
        writer.print(svgGraphicator.getSVGDocument());
        writer.close();
    }

}