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:IK.AbstractBone.java

public AbstractBone(AbstractBone par, //parent bone
        double xAngle, //how much the bone should be pitched relative to its parent bone
        double yAngle, //how much the bone should be rolled relative to its parent bone
        double zAngle, //how much the bone should be yawed relative to its parent bone
        String inputTag, //some user specified name for the bone, if desired
        double inputBoneHeight //bone length 
) throws NullParentForBoneException {

    if (par != null) {
        if (this.tag == null || this.tag == "") {
            this.tag = Integer.toString(System.identityHashCode(this));
        } else//from w  w w  . j a  v a2s  .  c  o m
            this.tag = inputTag;
        this.boneHeight = inputBoneHeight;

        AbstractAxes tempAxes = par.localAxes().getAbsoluteCopy();
        Rotation toRot = new Rotation(RotationOrder.XZY, xAngle, yAngle, zAngle);
        Rot newRot = new Rot();
        newRot.rotation = toRot;
        tempAxes.rotateTo(newRot);

        this.parent = par;
        this.parentArmature = this.parent.parentArmature;
        parentArmature.addToBoneList(this);

        generateAxes(parent.getTip(), tempAxes.x().heading(), tempAxes.y().heading(), tempAxes.z().heading());
        this.localAxes.orthogonalize();
        localAxes.setParent(parent.localAxes);
        previousOrientation = localAxes.attachedCopy(true);

        majorRotationAxes = parent.localAxes().getAbsoluteCopy();
        majorRotationAxes.translateTo(parent.getTip());
        majorRotationAxes.setParent(parent.localAxes);

        this.parent.addFreeChild(this);
        this.parent.addChild(this);

        this.updateSegmentedArmature();
    } else {
        throw new NullParentForBoneException();
    }

}

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From source file:org.apache.cayenne.log.CommonsJdbcEventLogger.java

void sqlLiteralForObject(StringBuilder buffer, Object object) {
    if (object == null) {
        buffer.append("NULL");
    } else if (object instanceof String) {
        buffer.append('\'');
        // lets escape quotes
        String literal = (String) object;
        if (literal.length() > TRIM_VALUES_THRESHOLD) {
            literal = literal.substring(0, TRIM_VALUES_THRESHOLD) + "...";
        }// www  .  j a va 2  s  . co  m

        int curPos = 0;
        int endPos = 0;

        while ((endPos = literal.indexOf('\'', curPos)) >= 0) {
            buffer.append(literal.substring(curPos, endPos + 1)).append('\'');
            curPos = endPos + 1;
        }

        if (curPos < literal.length())
            buffer.append(literal.substring(curPos));

        buffer.append('\'');
    }
    // handle byte pretty formatting
    else if (object instanceof Byte) {
        IDUtil.appendFormattedByte(buffer, ((Byte) object).byteValue());
    } else if (object instanceof Number) {
        // process numeric value (do something smart in the future)
        buffer.append(object);
    } else if (object instanceof java.sql.Date) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof java.sql.Time) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof java.util.Date) {
        long time = ((java.util.Date) object).getTime();
        buffer.append('\'').append(new java.sql.Timestamp(time)).append('\'');
    } else if (object instanceof java.util.Calendar) {
        long time = ((java.util.Calendar) object).getTimeInMillis();
        buffer.append(object.getClass().getName()).append('(').append(new java.sql.Timestamp(time)).append(')');
    } else if (object instanceof Character) {
        buffer.append(((Character) object).charValue());
    } else if (object instanceof Boolean) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof Enum<?>) {
        // buffer.append(object.getClass().getName()).append(".");
        buffer.append(((Enum<?>) object).name()).append("=");
        if (object instanceof ExtendedEnumeration) {
            Object value = ((ExtendedEnumeration) object).getDatabaseValue();
            if (value instanceof String)
                buffer.append("'");
            buffer.append(value);
            if (value instanceof String)
                buffer.append("'");
        } else {
            buffer.append(((Enum<?>) object).ordinal());
            // FIXME -- this isn't quite right
        }
    } else if (object instanceof SQLParameterBinding) {
        sqlLiteralForObject(buffer, ((SQLParameterBinding) object).getValue());
    } else if (object.getClass().isArray()) {
        buffer.append("< ");

        int len = Array.getLength(object);
        boolean trimming = false;
        if (len > TRIM_VALUES_THRESHOLD) {
            len = TRIM_VALUES_THRESHOLD;
            trimming = true;
        }

        for (int i = 0; i < len; i++) {
            if (i > 0) {
                buffer.append(",");
            }
            sqlLiteralForObject(buffer, Array.get(object, i));
        }

        if (trimming) {
            buffer.append("...");
        }

        buffer.append('>');
    } else {
        buffer.append(object.getClass().getName()).append("@").append(System.identityHashCode(object));
    }
}

---

From source file:ObjectUtils.java

/**
 * <p>Appends the toString that would be produced by <code>Object</code>
 * if a class did not override toString itself. <code>null</code>
 * will throw a NullPointerException for either of the two parameters. </p>
 *
 * <pre>/*w  w w.j  a  v  a  2  s .  c  om*/
 * ObjectUtils.identityToString(buf, "")            = buf.append("java.lang.String@1e23"
 * ObjectUtils.identityToString(buf, Boolean.TRUE)  = buf.append("java.lang.Boolean@7fa"
 * ObjectUtils.identityToString(buf, Boolean.TRUE)  = buf.append("java.lang.Boolean@7fa")
 * </pre>
 *
 * @param buffer  the buffer to append to
 * @param object  the object to create a toString for
 * @since 2.4
 */
public static void identityToString(StringBuffer buffer, Object object) {
    if (object == null) {
        throw new NullPointerException("Cannot get the toString of a null identity");
    }
    buffer.append(object.getClass().getName()).append('@')
            .append(Integer.toHexString(System.identityHashCode(object)));
}

---

From source file:org.eclipse.smila.utils.xml.XMLUtils.java

/**
 * A 32 byte GUID generator (Globally Unique ID). These artificial keys SHOULD <strong>NOT </strong> be seen by the
 * user, not even touched by the DBA but with very rare exceptions, just manipulated by the database and the programs.
 * //from  w  w  w .j  a  v a 2  s  .c o m
 * Usage: Add an id field (type java.lang.String) to your EJB, and add setId(XXXUtil.generateGUID(this)); to the
 * ejbCreate method.
 * 
 * @return String
 * @param o
 *          -
 */
public static final String generateGUID(Object o) {
    final Log log = LogFactory.getLog(XMLUtils.class);
    final StringBuffer tmpBuffer = new StringBuffer(16);
    if (s_hexServerIP == null) {
        java.net.InetAddress localInetAddress = null;
        try {
            // get the inet address
            localInetAddress = java.net.InetAddress.getLocalHost();
        } catch (final java.net.UnknownHostException uhe) {
            if (log.isErrorEnabled()) {
                log.error(
                        "ConfigurationUtil: Could not get the local IP address using InetAddress.getLocalHost()!",
                        uhe);
            }
            return null;
        }
        final byte[] serverIP = localInetAddress.getAddress();
        s_hexServerIP = hexFormat(getInt(serverIP), 8);
    }
    final String hashcode = hexFormat(System.identityHashCode(o), 8);
    tmpBuffer.append(s_hexServerIP);
    tmpBuffer.append(hashcode);

    final long timeNow = System.currentTimeMillis();
    final int timeLow = (int) timeNow & 0xFFFFFFFF;
    final int node = SEEDER.nextInt();

    final StringBuffer guid = new StringBuffer(32);
    guid.append(hexFormat(timeLow, 8));
    guid.append(tmpBuffer.toString());
    guid.append(hexFormat(node, 8));
    return guid.toString();
}

---

From source file:nz.co.senanque.vaadinsupport.application.MaduraSessionManager.java

public void deregister(AbstractComponent field) {
    m_fields.remove(System.identityHashCode(field));
    m_labels.remove(System.identityHashCode(field));
}

---

From source file:org.droid2droid.install.DownloadApkActivity.java

private void setDialog(Intent intent) {
    int id = intent.getIntExtra(Notifications.EXTRA_ID, -1);
    DownloadFile df = mTransInfo = AbstractSrvRemoteAndroid.getDowloadFile(id);
    Log.d(TAG_INSTALL, PREFIX_LOG + "setDialog intent=" + System.identityHashCode(intent) + " id=" + id);
    assert df != null;
    if (df == null) {
        if (E)//w  w  w  .  jav  a  2s.co m
            Log.e(TAG_INSTALL, PREFIX_LOG + "ERROR phatom id " + id + " when want to open DownloadApkActivity");
        return;
    }

    mLine1.setText(getString(R.string.download_line1, df.from));
    mLine2.setText(getString(R.string.download_line2, df.label));
    mLine3.setText(getString(R.string.download_line3, Formatter.formatFileSize(this, df.size)));
    mLine5.setText(getString(R.string.download_line5));
    onProgressUpdate();
}

---

From source file:org.envirocar.app.storage.DbAdapterImpl.java

/**
 * @param ctx the used android context/*  w w  w  .  j  a v  a  2 s.c o m*/
 * @param maxTimeBetweenMeasurements maximum time between two measurements (ms). if
 * the difference is higher, a new track is created for the new measurement
 * @param maxDistanceBetweenMeasurements maximum distance between two measurements (km). if
 * the distance is higher, a new track is created for the new measurement
 * @throws InstantiationException if the connection to the database fails
 */
public static void init(Context ctx, long maxTimeBetweenMeasurements, double maxDistanceBetweenMeasurements)
        throws InstantiationException {
    instance = new DbAdapterImpl(ctx);
    instance.maxTimeBetweenMeasurements = maxTimeBetweenMeasurements;
    instance.maxDistanceBetweenMeasurements = maxDistanceBetweenMeasurements;
    instance.openConnection();
    logger.info("init DbAdapterImpl; Hash: " + System.identityHashCode(instance));
}

---

From source file:com.lizardtech.expresszip.model.Job.java

public Job(ExportProps param, ExportOptionsViewComponent view) {
    jobParams = param;/*from   w ww .jav  a2  s .c o m*/
    parent = view;

    url = view.getApplication().getMainWindow().getURL();
    if (exportDir == null) {
        exportDir = new File(ExpressZipApplication.Configuration.getProperty("exportdirectory"),
                jobParams.getJobName());
        exportDir.mkdir();
    }
    String JobRunID = String.format("%d", System.identityHashCode(this));
    logger = Logger.getLogger(JobRunID);
    logger.setAdditivity(false);
    try {
        outputLogFile = new File(exportDir, getLogName());
        outputLogAppender = new FileAppender(new HTMLLayout(), outputLogFile.getPath());
        logger.addAppender(outputLogAppender);
    } catch (IOException e) {
        BasicConfigurator.configure();
    }

    // Set up GeoTIFF writer compression and tiling
    geoTiffWPs = new GeoTiffWriteParams();
    geoTiffWPs.setCompressionMode(GeoTiffWriteParams.MODE_EXPLICIT);
    geoTiffWPs.setCompressionType("LZW");
    geoTiffWPs.setCompressionQuality(0.75F);
    geoTiffWPs.setTilingMode(GeoTiffWriteParams.MODE_EXPLICIT);
    geoTiffWPs.setTiling(256, 256);
}

---

From source file:org.apache.geode.internal.util.ArrayUtils.java

public static String objectRefString(Object obj) {
    return obj != null
            ? obj.getClass().getSimpleName() + '@' + Integer.toHexString(System.identityHashCode(obj))
            : "(null)";
}

---

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

/**
 * Random sample from the cumulative probability distribution function that is used during fitting
 * /*from  w  w  w .  j  a  v a2  s . c o m*/
 * @return The histogram
 */
private int[] simulateFromPDF() {
    final double[] g = pdf(0, _photons, _gain, _noise, (int) _bias);

    // Get cumulative probability
    double sum = 0;
    for (int i = 0; i < g.length; i++) {
        final double p = g[i];
        g[i] += sum;
        sum += p;
    }
    for (int i = 0; i < g.length; i++)
        g[i] /= sum;
    g[g.length - 1] = 1; // Ensure value of 1 at the end

    // Randomly sample
    RandomGenerator random = new Well44497b(System.currentTimeMillis() + System.identityHashCode(this));
    int[] h = new int[g.length];
    final int steps = simulationSize;
    for (int n = 0; n < steps; n++) {
        if (n % 64 == 0)
            IJ.showProgress(n, steps);
        final double p = random.nextDouble();
        for (int i = 0; i < g.length; i++)
            if (p <= g[i]) {
                h[i]++;
                break;
            }
    }
    return h;
}

---

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