I\'m tryi开发者_StackOverflow中文版ng to map a tree of POJOs in Hibernate so that I can (a) concisely use UUIDs for primary keys everywhere and (b) externally impose set-like relationships between oth
I\'ve been wondering what\'s the correct practice for generating unique ids? The thing is in my web app I\'ll have a plugin system, when a user registers a plugin I want to generate a unique serial ID
I need to generate an unique number of 32 bits in Java. I need to return the number as Java int, which is required by the interface. Can you please share some ideas on this?
According to the documentation, hibernate 3.6 should have support for the java.util.UUID type. But when I map it like:
I\'m not great with statistical mathematics, etc. I\'ve been wondering, if I use the following: import uuid
UUID libraries generate 32-character UU开发者_StackOverflow社区IDs. I want to generate 8-character only UUIDs, is it possible?It is not possible since a UUID is a 16-byte number per definition. But o
In my web application one model uses identifier that was generated by some UUID tool. As I want that identifier to be part of the URL I am investigating methods to shorten that UUID string. 开发者_运维
Tried Googling but: Question: Best way to externally generate Sequential UID values for a MySQL field which must be representable as a string.
I am looking to generate an ID that is not guessable (i.e. long string of random characters). I am currently using https://github.com/sporkmonger/uuidtools:
I have a postgresql 9 installation on windows, which doesn\'t have built in uuid generator. There is OSSD package, which can be bound to postgresql as uuid g开发者_开发问答enerator, but it\'s for *nix