public class UUIDType extends NonNullFieldType<UUID>
UUID type. Null values are not supported by this class.
Binary encoding is 16 bytes, consisting of the eight high-order bytes followed by the eight low-order bytes.
name, NAME_PATTERN, REFERENCE_TYPE_NAME, signature, typeToken| Constructor and Description |
|---|
UUIDType() |
| Modifier and Type | Method and Description |
|---|---|
int |
compare(UUID uuid1,
UUID uuid2)
Order two field values.
|
UUID |
fromParseableString(ParseContext ctx)
Parse a value previously encoded by
toParseableString() as a self-delimited String
and positioned at the start of the given parsing context. |
UUID |
read(ByteReader reader)
Read a value from the given input.
|
void |
skip(ByteReader reader)
Read and discard a value from the given input.
|
String |
toParseableString(UUID uuid)
Encode a possibly null value as a
String for later decoding by fromParseableString(). |
void |
write(ByteWriter writer,
UUID uuid)
Write a value to the given output.
|
validateconvert, equals, fromString, genericizeForIndex, getDefaultValue, getDefaultValueObject, getEncodingSignature, getKeyRange, getName, getTypeToken, hashCode, hasPrefix0x00, hasPrefix0xff, toString, toString, validateAndWriteclone, finalize, getClass, notify, notifyAll, wait, wait, waitcomparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLongpublic UUID read(ByteReader reader)
FieldTypepublic void write(ByteWriter writer, UUID uuid)
FieldTypepublic void skip(ByteReader reader)
FieldTypepublic UUID fromParseableString(ParseContext ctx)
FieldTypetoParseableString() as a self-delimited String
and positioned at the start of the given parsing context.fromParseableString in class FieldType<UUID>ctx - parse context starting with a string previously encoded via toParseableString()public String toParseableString(UUID uuid)
FieldTypeString for later decoding by fromParseableString().
The string value must be self-delimiting, i.e., decodable even when followed by arbitrary additional characters,
and must not start with whitespace or closing square bracket ("]").
In addition, each of the characters in the returned String must be one of the valid XML characters
(tab, newline, carriage return, \u0020 - \ud7ff, and \ue000 - \fffdf).
toParseableString in class FieldType<UUID>uuid - actual value (possibly null)value acceptable to fromParseableString()public int compare(UUID uuid1, UUID uuid2)
FieldType
This method must provide a total ordering of all supported Java values that is consistent with the database ordering,
i.e., the unsigned lexicographical ordering of the corresponding byte[] encoded field values.
If null is a supported Java value, then the returned Comparator must accept null parameters without
throwing an exception (note, this is a stronger requirement than the Comparator interface normally requires).
Note: by convention, null values usually sort last.
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