Example usage for java.util Arrays hashCode

Introduction

In this page you can find the example usage for java.util Arrays hashCode.

Prototype

public static int hashCode(Object a[]) 

Source Link

Document

Returns a hash code based on the contents of the specified array.

Usage

From source file:com.opengamma.maths.lowlevelapi.datatypes.primitive.CompressedSparseColumnFormatMatrix.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.hashCode(_rowIdx);
    result = prime * result + _cols;//from   w ww  .j a  va2s .c o  m
    result = prime * result + _els;
    result = prime * result + Arrays.hashCode(_colPtr);
    result = prime * result + _rows;
    result = prime * result + Arrays.hashCode(_values);
    return result;
}

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From source file:com.impetus.ankush.common.domain.NodeMonitoring.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.hashCode(monitoringInfoBytes);
    result = prime * result + ((nodeId == null) ? 0 : nodeId.hashCode());
    result = prime * result + Arrays.hashCode(technologyDataBytes);
    result = prime * result + ((updateTime == null) ? 0 : updateTime.hashCode());
    return result;
}

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From source file:org.mc4j.ems.connection.support.classloader.ClassLoaderFactory.java

public ClassLoader buildClassLoader(ConnectionSettings settings) {

    String tempDirString = (String) settings.getControlProperties().get(ConnectionFactory.JAR_TEMP_DIR);
    File tempDir = null;/*from  w  w w .  j  a  v  a2 s.  com*/
    if (tempDirString != null) {
        tempDir = new File(tempDirString);
    }

    Boolean useContextClassLoader = Boolean.valueOf(
            settings.getAdvancedProperties().getProperty(ConnectionFactory.USE_CONTEXT_CLASSLOADER, "false"));
    if (useContextClassLoader.booleanValue()) {
        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
        URL implURL = storeImplToTemp("org-mc4j-ems-impl.jar", tempDir);
        ClassLoader loader = new URLClassLoader(new URL[] { implURL }, contextClassLoader);
        return loader;
    }

    List<URL> entries = new ArrayList<URL>();

    if (settings.getClassPathEntries() != null) {
        for (File file : settings.getClassPathEntries()) {
            try {
                if (Boolean.valueOf(settings.getControlProperties()
                        .getProperty(ConnectionFactory.COPY_JARS_TO_TEMP, "false"))) {
                    entries.add(getCachedTempForFile(file, tempDir));
                } else {
                    entries.add(file.toURI().toURL());
                }
            } catch (MalformedURLException e) {
                throw new EmsConnectException("Unable to read class path library url", e);
            }
        }
    }

    // Now load in the implementation jar
    // URL implURL = new URL(null, "deepjar://org-mc4j-ems-impl.jar", new Handler());
    URL implURL = storeImplToTemp("org-mc4j-ems-impl.jar", tempDir);

    entries.add(implURL);

    if (settings.getConnectionType() instanceof LocalVMTypeDescriptor) {
        // Need tools.jar if its not already loaded
        try {
            Class.forName("com.sun.tools.attach.VirtualMachine");
        } catch (ClassNotFoundException e) {
            // Try to load tools.jar
            File toolsJar = null;
            toolsJar = findToolsJarForHome(System.getProperty("java.home"));
            if (toolsJar == null) {
                toolsJar = findToolsJarForHome(System.getProperty("env_java_home"));
            }

            if (toolsJar != null) {
                try {
                    log.debug("Found tools.jar at " + toolsJar.getPath());
                    entries.add(toolsJar.toURI().toURL());
                } catch (MalformedURLException e1) {
                    /* Unnexpected */ }
            } else {
                throw new EmsConnectException(
                        "Unable to find tools.jar. Add it to your classpath to use Sun local vm connections.");
            }
        }
    }

    // Add internal support jars for JSR160 on < jdk5
    if ((settings.getConnectionType() instanceof JSR160ConnectionTypeDescriptor)
            && settings.getConnectionType().getConnectionClasspathEntries() == null
            && Double.parseDouble(System.getProperty("java.version").substring(0, 3)) < 1.5) {
        entries.add(storeImplToTemp("lib/jsr160-includes/mx4j.jar", tempDir));
        entries.add(storeImplToTemp("lib/jsr160-includes/mx4j-remote.jar", tempDir));
    }

    // TODO: Check if file exists, log warning if not

    URL[] entryArray = entries.toArray(new URL[entries.size()]);
    ClassLoader loader = null;

    long key = Arrays.hashCode(entryArray);

    WeakReference<ClassLoader> loaderReference = classLoaderCache.get(key);
    if (loaderReference != null) {
        loader = classLoaderCache.get(key).get();
    }

    if (loader == null) {

        // WARNING: Relatively disgusting hack. hiding classes is not a good thing
        if (settings.getConnectionType().isUseChildFirstClassLoader()) {
            loader = new ChildFirstClassloader(entryArray, ClassLoaderFactory.class.getClassLoader());
        } else {
            // TODO was NestedJarClassLoader
            //loader = new ChildFirstClassloader(entryArray, ClassLoaderFactory.class.getClassLoader());
            loader = new URLClassLoader(entryArray, ClassLoaderFactory.class.getClassLoader());
            //loader = new NestedJarClassLoader(entryArray, ClassLoaderFactory.class.getClassLoader());
        }

        classLoaderCache.put(key, new WeakReference<ClassLoader>(loader));

        if (log.isDebugEnabled()) {
            StringBuffer buf = new StringBuffer("Classloader built with: \n");
            for (URL url : entries) {
                buf.append("\t").append(url).append("\n");
            }
            log.info(buf.toString());
        }

    }
    return loader;
}

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From source file:com.linkedin.databus.core.DbusEventPart.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + (_schemaDigest == null ? 0 : Arrays.hashCode(_schemaDigest));
    result = prime * result + (_data == null ? 0 : _data.hashCode());
    return result;
}

---

From source file:au.org.ala.biocache.dto.SearchRequestParams.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((dir == null) ? 0 : dir.hashCode());
    result = prime * result + ((displayString == null) ? 0 : displayString.hashCode());
    result = prime * result + ((facet == null) ? 0 : facet.hashCode());
    result = prime * result + Arrays.hashCode(facets);
    result = prime * result + ((fl == null) ? 0 : fl.hashCode());
    result = prime * result + ((flimit == null) ? 0 : flimit.hashCode());
    result = prime * result + ((foffset == null) ? 0 : foffset.hashCode());
    result = prime * result + ((formattedQuery == null) ? 0 : formattedQuery.hashCode());
    result = prime * result + ((fprefix == null) ? 0 : fprefix.hashCode());
    result = prime * result + Arrays.hashCode(fq);
    result = prime * result + ((fsort == null) ? 0 : fsort.hashCode());
    result = prime * result + ((pageSize == null) ? 0 : pageSize.hashCode());
    result = prime * result + ((q == null) ? 0 : q.hashCode());
    result = prime * result + ((qc == null) ? 0 : qc.hashCode());
    result = prime * result + ((sort == null) ? 0 : sort.hashCode());
    result = prime * result + ((start == null) ? 0 : start.hashCode());
    return result;
}

---

From source file:com.opengamma.analytics.math.cube.DoublesCube.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = super.hashCode();
    result = prime * result + Arrays.hashCode(_values);
    result = prime * result + Arrays.hashCode(_xData);
    result = prime * result + Arrays.hashCode(_yData);
    result = prime * result + Arrays.hashCode(_zData);
    return result;
}

---

From source file:com.opengamma.maths.lowlevelapi.datatypes.primitive.CompressedSparseRowFormatMatrix.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.hashCode(_colIdx);
    result = prime * result + _cols;/*ww  w.  ja va  2s.c o m*/
    result = prime * result + _els;
    result = prime * result + Arrays.hashCode(_rowPtr);
    result = prime * result + _rows;
    result = prime * result + Arrays.hashCode(_values);
    return result;
}

---

From source file:org.apache.fop.render.pdf.pdfbox.PSPDFGraphics2D.java

@Override
public boolean drawImage(Image img, int x1, int y1, ImageObserver observer) {
    PSGenerator tmp = gen;/*from w  w w  .j  av  a  2 s  .co m*/
    if (gen instanceof PSDocumentHandler.FOPPSGenerator) {
        PSDocumentHandler.FOPPSGenerator fopGen = (PSDocumentHandler.FOPPSGenerator) tmp;
        PSDocumentHandler handler = fopGen.getHandler();
        if (handler.getPSUtil().isOptimizeResources()) {
            try {
                final int width = img.getWidth(observer);
                final int height = img.getHeight(observer);
                if (width == -1 || height == -1) {
                    return false;
                }
                BufferedImage buf = getImage(width, height, img, observer);
                if (buf == null) {
                    return false;
                }
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                DataBufferInt db = (DataBufferInt) buf.getRaster().getDataBuffer();
                DataOutputStream dos = new DataOutputStream(bos);
                dos.writeInt(width);
                dos.writeInt(height);
                for (int i : db.getData()) {
                    dos.writeInt(i);
                }
                String format = DataBufferInt.class.getName();
                int hash = Arrays.hashCode(bos.toByteArray());
                URI uri = fopGen.getImages().get(hash);
                if (uri == null) {
                    uri = new TempResourceURIGenerator("img" + hash + "." + format).generate();
                    fopGen.getImages().put(hash, uri);
                    BufferedOutputStream outputStream = fopGen.getTempStream(uri);
                    outputStream.write(bos.toByteArray());
                    outputStream.close();
                }
                PSResource form = handler.getFormForImage(uri.toASCIIString());
                ImageInfo info = new ImageInfo(uri.toASCIIString(), "image/" + format);
                ImageSize size = new ImageSize(width, height, handler.getUserAgent().getTargetResolution());
                size.calcSizeFromPixels();
                info.setSize(size);
                float res = handler.getUserAgent().getSourceResolution() / 72;
                Rectangle rect = new Rectangle(0, 0, (int) (size.getWidthMpt() * res),
                        (int) (size.getHeightMpt() * res));
                gen.saveGraphicsState();
                gen.concatMatrix(getTransform());
                writeClip(getClip());
                PSImageUtils.drawForm(form, info, rect, gen);
                gen.restoreGraphicsState();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
            return true;
        }
    }
    return super.drawImage(img, x1, y1, observer);
}

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From source file:com.opengamma.analytics.financial.credit.isdayieldcurve.ISDADateCurve.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.hashCode(_curveDates);
    result = prime * result + _name.hashCode();
    result = prime * result + Arrays.hashCode(_shiftedTimePoints);
    long temp;/*www . j av  a  2s. c o m*/
    temp = Double.doubleToLongBits(_zeroDiscountFactor);
    result = prime * result + (int) (temp ^ (temp >>> 32));
    return result;
}

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From source file:org.multibit.crypto.KeyCrypterOpenSSL.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.hashCode(openSSLSaltedBytes);
    return result;
}

---

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