mirror of https://github.com/dspinellis/UMLGraph
77 lines
1.5 KiB
XML
77 lines
1.5 KiB
XML
<?xml version="1.0" ?>
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<!-- $Id$ -->
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<notes>
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The following sequence diagram demonstrates the use of the frame and comment elements.
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<h2>Diagram</h2>
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<img src="GUI-DB.gif" alt="Database GUI interface" />
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<h2>Diagram Source Code</h2>
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<fmtcode ext="pic">
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# usage-example for the comment extensions to the
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# Written by Sebastian Setzer
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.PS
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copy "sequence.pic";
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# Define the objects
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actor(U, "");
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object(G,"g:GUI");
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placeholder_object(Dummy1); # more space
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placeholder_object(D);
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step();
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# Message sequences
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active(G);
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step();
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create_message(G,D,"db:DB");
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active(D);
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step();
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inactive(D);
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async(); # use asynchrone messages (not-filled arrowheads)
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comment(D,C,down 1 right, wid 1 ht 0.7 "waiting for" "condition" "dbMailbox")
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message(U,G,"openBrowser");
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message(G,D,"query()"); active(D);
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message(D,G,"result"); inactive(D);
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connect_to_comment(D,C)
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message(U,G,"scroll");
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message(G,D,"query()"); active(D);
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message(D,G,"result"); inactive(D);
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connect_to_comment(D,C)
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message(U,G,"Exit");
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step();
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begin_frame(G,F,"OnExit");
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message(G,D,"shutdown()"); inactive(G); active(D);
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comment(G,C,down .2 right .2, wid 2 ht 0.25 "wait for cond. dbShutdown")
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step();
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comment(D,C,right, wid 2 ht 1 \
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"all queries preceeding the" \
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"shutdown in the mailbox" \
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"are answered already." \
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"DbQuery-Objects can" \
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"be destroyed")
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message(D,G,"done"); inactive(D); active(G);
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sync();
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destroy_message(G,D,"");
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step();
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end_frame(D,F);
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step();
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inactive(G);
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# Complete the lifelines
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step();
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complete(G);
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complete(U);
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.PE
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</fmtcode>
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</notes>
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