2
1
activity [:
,
]
activity :
, :call, :
, :manipulate
parallel
:wait =>
do
1
end
loop
pre_test{
}
post_test{
}
do
1
end
choose do
1
end
1
alternative
do
1
end
1
otherwise do
1
end
1
parallel_branch
do
|
|
1
end
, :
=>
[
]
"
"
{ :
=>
}
,
do
|
|
1
end