I have to create an UUID and wanted to use the UUIDGenerator. My XSD File has defined the UUID as an ID which may not start with a number. The UUIDGenerator put a number at the front though and I see no way of modifying it. Why is this? and how should I best generator an ID otherwise?
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- 8394 replies
Your XSD is wrong ;-) A GUID starting with any hexadecimal digit [0-9a-z] is perfectly valid.
You can't modify the UUIDGenerator, but you can use e.g. an AttributeCreator with the following expression to replace the first character with an 'a':
a@Substring(@Value(_uuid),1,35)
+60- Celebrity
- 3704 replies
In addition to @david_r 's comment:
It's possible if you're Doctor Who (or have access to a TARDIS or other form of time travel). The first part of a UUID is timestamp-based...
- 8394 replies
In addition to @david_r 's comment:
It's possible if you're Doctor Who (or have access to a TARDIS or other form of time travel). The first part of a UUID is timestamp-based...
+60- Celebrity
- 3704 replies
In addition to @david_r 's comment:
It's possible if you're Doctor Who (or have access to a TARDIS or other form of time travel). The first part of a UUID is timestamp-based...
However, a UUID can still start with a number and be valid...
+56- Safer
- 2554 replies
Your XSD is wrong ;-) A GUID starting with any hexadecimal digit [0-9a-z] is perfectly valid.
You can't modify the UUIDGenerator, but you can use e.g. an AttributeCreator with the following expression to replace the first character with an 'a':
a@Substring(@Value(_uuid),1,35)
+56- Safer
- 2554 replies
It depends on the implementation. For example, the Python uuid module supports 4 different ways of generating a GUID, of which only uuid1() is based on a timestamp (well, a clock sequence at least).