[Jung-support] [Open Discussion] RE: Aspects of mutliple graph creation

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The following forum message was posted by e-flat at http://sourceforge.net/projects/jung/forums/forum/252062/topic/4818599:

Jonathan:

JUNG 1.x uses int values for its vertex IDs.  Those will wrap around on overflow,
so if you run a single instance long enough you'll get vertices with negative
indices, but everything should still work.

Hypothetically if you have extremely long-lived vertices, you could try to assign
two vertices the same ID once you've gone through all 4B possible values for
an int.  In practice this seems unlikely.

Joshua

Joshua