35 lines
715 B
Julia
35 lines
715 B
Julia
|
# This file is a part of Julia. License is MIT: https://julialang.org/license
|
||
|
|
|
||
|
|
import Base: put!, wait, isready, take!, fetch
|
||
|
|
|
||
|
|
mutable struct DictChannel <: AbstractChannel
|
||
|
|
d::Dict
|
||
|
|
cond_take::Condition # waiting for data to become available
|
||
|
|
DictChannel() = new(Dict(), Condition())
|
||
|
|
end
|
||
|
|
|
||
|
|
function put!(D::DictChannel, k, v)
|
||
|
|
D.d[k] = v
|
||
|
|
notify(D.cond_take)
|
||
|
|
D
|
||
|
|
end
|
||
|
|
|
||
|
|
function take!(D::DictChannel, k)
|
||
|
|
v=fetch(D,k)
|
||
|
|
delete!(D.d, k)
|
||
|
|
v
|
||
|
|
end
|
||
|
|
|
||
|
|
isready(D::DictChannel) = length(D.d) > 1
|
||
|
|
isready(D::DictChannel, k) = haskey(D.d,k)
|
||
|
|
function fetch(D::DictChannel, k)
|
||
|
|
wait(D,k)
|
||
|
|
D.d[k]
|
||
|
|
end
|
||
|
|
|
||
|
|
function wait(D::DictChannel, k)
|
||
|
|
while !isready(D, k)
|
||
|
|
wait(D.cond_take)
|
||
|
|
end
|
||
|
|
end
|