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:Main.java

public static int hash(Object... values) {
    return Arrays.hashCode(values);
}

From source file:Main.java

/**
 * Get the hashcode for a bitmap.// w ww.ja v  a  2s.  com
 */
private static String hashBitmap(Bitmap bmp) {
    int[] allpixels = new int[bmp.getHeight() * bmp.getWidth()];
    bmp.getPixels(allpixels, 0, bmp.getWidth(), 0, 0, bmp.getWidth(), bmp.getHeight());
    return Integer.toHexString(Arrays.hashCode(allpixels));
}

From source file:Main.java

public static int hashCode(@Nullable Object... objects) {
    return Arrays.hashCode(objects);
}

From source file:org.openlegacy.terminal.utils.TerminalEqualsHashcodeUtil.java

public static int snapshotHashcode(TerminalSnapshot terminalSnapshot) {
    return Arrays.hashCode(terminalSnapshot.getRows().toArray())
            + terminalSnapshot.getSnapshotType().hashCode();
}

From source file:org.openlegacy.terminal.utils.TerminalEqualsHashcodeUtil.java

public static int rowHashCode(TerminalRow row) {
    return Arrays.hashCode(row.getFields().toArray());
}

From source file:Main.java

public static int hashCode(Object target) {
    if (target == null)
        return 0;
    final int prime = 31;
    int result = 1;

    Class<?> current = target.getClass();
    do {//from   w  w w.  ja  v  a  2s  . co m
        for (Field f : current.getDeclaredFields()) {
            if (Modifier.isStatic(f.getModifiers()) || Modifier.isTransient(f.getModifiers())
                    || f.isSynthetic()) {
                continue;
            }

            Object self;
            try {
                f.setAccessible(true);
                self = f.get(target);
            } catch (IllegalAccessException e) {
                throw new IllegalStateException(e);
            }
            if (self == null) {
                result = prime * result + 0;
            } else if (self.getClass().isArray()) {
                if (self.getClass().equals(boolean[].class)) {
                    result = prime * result + Arrays.hashCode((boolean[]) self);
                } else if (self.getClass().equals(char[].class)) {
                    result = prime * result + Arrays.hashCode((char[]) self);
                } else if (self.getClass().equals(byte[].class)) {
                    result = prime * result + Arrays.hashCode((byte[]) self);
                } else if (self.getClass().equals(short[].class)) {
                    result = prime * result + Arrays.hashCode((short[]) self);
                } else if (self.getClass().equals(int[].class)) {
                    result = prime * result + Arrays.hashCode((int[]) self);
                } else if (self.getClass().equals(long[].class)) {
                    result = prime * result + Arrays.hashCode((long[]) self);
                } else if (self.getClass().equals(float[].class)) {
                    result = prime * result + Arrays.hashCode((float[]) self);
                } else if (self.getClass().equals(double[].class)) {
                    result = prime * result + Arrays.hashCode((double[]) self);
                } else {
                    result = prime * result + Arrays.hashCode((Object[]) self);
                }
            } else {
                result = prime * result + self.hashCode();
            }

            System.out.println(f.getName() + ": " + result);
        }
        current = current.getSuperclass();
    } while (!Object.class.equals(current));

    return result;
}

From source file:VASSAL.tools.HashCode.java

public static final int hash(final boolean[] a) {
    return Arrays.hashCode(a);
}

From source file:com.netflix.zeno.diff.DiffByteArray.java

@Override
public int hashCode() {
    return Arrays.hashCode(bytes);
}

From source file:VASSAL.tools.HashCode.java

public static final int hash(final byte[] a) {
    return Arrays.hashCode(a);
}

From source file:com.opengamma.analytics.math.interpolation.data.Interpolator2DDataBundle.java

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