public static int compare()

in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/ArrowTypeComparator.java [49:124]
73 lines of code
29 McCabe index (conditional complexity)

    public static int compare(ArrowType arrowType, Object lhs, Object rhs)
    {
        if (lhs == null && rhs == null) {
            return 0;
        }
        else if (lhs == null) {
            return 1;
        }
        else if (rhs == null) {
            return -1;
        }

        Types.MinorType type = Types.getMinorTypeForArrowType(arrowType);
        switch (type) {
            case INT:
            case UINT4:
                return Integer.compare((int) lhs, (int) rhs);
            case TINYINT:
            case UINT1:
                return Byte.compare((byte) lhs, (byte) rhs);
            case SMALLINT:
                return Short.compare((short) lhs, (short) rhs);
            case UINT2:
                return Character.compare((char) lhs, (char) rhs);
            case BIGINT:
            case UINT8:
                return Long.compare((long) lhs, (long) rhs);
            case FLOAT8:
                return Double.compare((double) lhs, (double) rhs);
            case FLOAT4:
                return Float.compare((float) lhs, (float) rhs);
            case VARCHAR:
                return lhs.toString().compareTo(rhs.toString());
            case VARBINARY:
                return Arrays.compareUnsigned((byte[]) lhs, (byte[]) rhs);
            case DECIMAL:
                return ((BigDecimal) lhs).compareTo((BigDecimal) rhs);
            case BIT:
                return Boolean.compare((boolean) lhs, (boolean) rhs);
            case DATEMILLI:
                return ((java.time.LocalDateTime) lhs).compareTo((java.time.LocalDateTime) rhs);
            case DATEDAY:
                return ((Integer) lhs).compareTo((Integer) rhs);
            case TIMESTAMPMILLITZ:
                if (lhs instanceof Long) {
                    ZonedDateTime lhsZdt = DateTimeFormatterUtil.constructZonedDateTime(((Long) lhs).longValue());
                    ZonedDateTime rhsZdt = DateTimeFormatterUtil.constructZonedDateTime(((Long) rhs).longValue());
                    return lhsZdt.compareTo(rhsZdt);
                }
                else if (lhs instanceof org.joda.time.LocalDateTime) {
                    ZonedDateTime lhsZdt = getZonedDateTime((org.joda.time.LocalDateTime) lhs);
                    ZonedDateTime rhsZdt = getZonedDateTime((org.joda.time.LocalDateTime) rhs);
                    return lhsZdt.compareTo(rhsZdt);
                }
                else {
                    return ((java.time.LocalDateTime) lhs).compareTo((java.time.LocalDateTime) rhs);
                }
            case MAP:
            case LIST:
            case STRUCT: // struct maps to java.util.map
                //This could lead to thrashing if used to sort a collection
                if (lhs.equals(rhs)) {
                    return 0;
                }
                else if (lhs.hashCode() < rhs.hashCode()) {
                    return -1;
                }
                else {
                    return 1;
                }
            default:
                //logging because throwing in a comparator gets swallowed in many unit tests that use equality asserts
                logger.warn("compare: Unknown type " + type + " object: " + lhs.getClass());
                throw new IllegalArgumentException("Unknown type " + type + " object: " + lhs.getClass());
        }
    }