July 2004
Intermediate to advanced
752 pages
35h 59m
English
book
Unified Modeling Language Reference Manual, The, Second Edition
by James Rumbaugh, Ivar Jacobson, Grady Booch
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history state
A pseudostate that indicates that the enclosing composite state remembers its previously active substate after it exits.
See also composite state, pseudostate, state machine, transition.
Semantics
A history state allows a composite state to remember the last substate that was active in it prior to the most recent exit from the composite state. A transition to the history state causes the former active substate to be made active again after executing any specified entry activity or activities on the path to the substate. Incoming transitions may be connected to the history state from outside the composite state or from the initial state.
A history state may have one outgoing unlabeled transition. This transition indicates the initial ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.