private static int hash()

in flink-ml-lib/src/main/java/org/apache/flink/ml/feature/hashingtf/HashingTF.java [161:193]

• 33 lines of code
• 11 McCabe index (conditional complexity)

    private static int hash(Object obj) {
        if (obj == null) {
            return 0;
        } else if (obj instanceof Boolean) {
            int value = (Boolean) obj ? 1 : 0;
            return HASH_FUNC.hashInt(value).asInt();
        } else if (obj instanceof Byte) {
            byte value = (Byte) obj;
            return HASH_FUNC.hashInt(value).asInt();
        } else if (obj instanceof Short) {
            short value = (Short) obj;
            return HASH_FUNC.hashInt(value).asInt();
        } else if (obj instanceof Integer) {
            int value = (Integer) obj;
            return HASH_FUNC.hashInt(value).asInt();
        } else if (obj instanceof Long) {
            long value = (Long) obj;
            return HASH_FUNC.hashLong(value).asInt();
        } else if (obj instanceof Float) {
            float value = (Float) obj;
            return HASH_FUNC.hashInt(Float.floatToIntBits(value)).asInt();
        } else if (obj instanceof Double) {
            double value = (Double) obj;
            return HASH_FUNC.hashLong(Double.doubleToLongBits(value)).asInt();
        } else if (obj instanceof String) {
            return HASH_FUNC.hashUnencodedChars((String) obj).asInt();
        } else {
            throw new UnsupportedOperationException(
                    "HashingTF does not support type "
                            + obj.getClass().getCanonicalName()
                            + " of input data.");
        }
    }