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体验新版 GitCode,发现更多精彩内容 >>
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056dbf4f
编写于
6月 19, 2012
作者:
A
Aaron Patterson
浏览文件
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差异文件
Merge branch 'remote'
* remote: move fanout back to a global variable, add a mutex for safety
上级
7896f35b
bf8e2058
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
22 addition
and
33 deletion
+22
-33
activesupport/lib/active_support/notifications.rb
activesupport/lib/active_support/notifications.rb
+5
-26
activesupport/lib/active_support/notifications/fanout.rb
activesupport/lib/active_support/notifications/fanout.rb
+17
-7
未找到文件。
activesupport/lib/active_support/notifications.rb
浏览文件 @
056dbf4f
...
...
@@ -135,24 +135,9 @@ module ActiveSupport
# to log subscribers in a thread. You can use any queue implementation you want.
#
module
Notifications
class
Registry
# :nodoc:
def
self
.
instance
Thread
.
current
[
name
]
||=
new
end
attr_reader
:notifier
,
:instrumenter
def
initialize
self
.
notifier
=
Fanout
.
new
end
def
notifier
=
(
notifier
)
@notifier
=
notifier
@instrumenter
=
Instrumenter
.
new
(
notifier
)
end
end
class
<<
self
attr_accessor
:notifier
def
publish
(
name
,
*
args
)
notifier
.
publish
(
name
,
*
args
)
end
...
...
@@ -181,16 +166,10 @@ def unsubscribe(args)
end
def
instrumenter
Registry
.
instance
.
instrumenter
end
def
notifier
Registry
.
instance
.
notifier
end
def
notifier
=
(
notifier
)
Registry
.
instance
.
notifier
=
notifier
Thread
.
current
[
:"instrumentation_
#{
notifier
.
object_id
}
"
]
||=
Instrumenter
.
new
(
notifier
)
end
end
self
.
notifier
=
Fanout
.
new
end
end
activesupport/lib/active_support/notifications/fanout.rb
浏览文件 @
056dbf4f
require
'mutex_m'
module
ActiveSupport
module
Notifications
# This is a default queue implementation that ships with Notifications.
# It just pushes events to all registered log subscribers.
#
# Only one of these objects should instantiated per thread. Concurrent
# access to this class is not allowed.
# This class is thread safe. All methods are reentrant.
class
Fanout
include
Mutex_m
def
initialize
@subscribers
=
[]
@listeners_for
=
{}
super
end
def
subscribe
(
pattern
=
nil
,
block
=
Proc
.
new
)
subscriber
=
Subscribers
.
new
pattern
,
block
@subscribers
<<
subscriber
@listeners_for
.
clear
synchronize
do
@subscribers
<<
subscriber
@listeners_for
.
clear
end
subscriber
end
def
unsubscribe
(
subscriber
)
@subscribers
.
reject!
{
|
s
|
s
.
matches?
(
subscriber
)
}
@listeners_for
.
clear
synchronize
do
@subscribers
.
reject!
{
|
s
|
s
.
matches?
(
subscriber
)
}
@listeners_for
.
clear
end
end
def
start
(
name
,
id
,
payload
)
...
...
@@ -36,7 +44,9 @@ def publish(name, *args)
end
def
listeners_for
(
name
)
@listeners_for
[
name
]
||=
@subscribers
.
select
{
|
s
|
s
.
subscribed_to?
(
name
)
}
synchronize
do
@listeners_for
[
name
]
||=
@subscribers
.
select
{
|
s
|
s
.
subscribed_to?
(
name
)
}
end
end
def
listening?
(
name
)
...
...
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