Subject |
draw as |
have |
cause |
has definition |
fork | a short line at which transitions can start and end | one incoming transition | execution to split into two concurrent threads | A symbol in an activity diagram indicating splitting of control into multiple threads |
join | a short line at which transitions can start and end | one outgoing transition that will be taken when all incoming transitions have been triggered | | A symbol in an activity diagram indicating a point where several threads wait for each other. When all threads reach the join, control continues in a single thread |
rendezvous | a short line at which transitions can start and end | multiple outgoing transitions that must be triggered in separate threads once all the incoming transitions are triggered | | In concurrent programming, a situation where several threads meet and wait for each other |
swimlane | a box that form a column, containing activities associated with one class | | | A division in a UML activity diagram showing the activities performed by a particular object |