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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
c2b355ea
编写于
11月 16, 2015
作者:
M
Michael Grosser
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
rescue memcached errors in a consistent way
上级
788d7bce
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
19 addition
and
26 deletion
+19
-26
activesupport/lib/active_support/cache/mem_cache_store.rb
activesupport/lib/active_support/cache/mem_cache_store.rb
+19
-26
未找到文件。
activesupport/lib/active_support/cache/mem_cache_store.rb
浏览文件 @
c2b355ea
...
...
@@ -115,11 +115,10 @@ def read_multi(*names)
def
increment
(
name
,
amount
=
1
,
options
=
nil
)
# :nodoc:
options
=
merged_options
(
options
)
instrument
(
:increment
,
name
,
:amount
=>
amount
)
do
@data
.
incr
(
normalize_key
(
name
,
options
),
amount
)
rescue_error_with
nil
do
@data
.
incr
(
normalize_key
(
name
,
options
),
amount
)
end
end
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
nil
end
# Decrement a cached value. This method uses the memcached decr atomic
...
...
@@ -129,20 +128,16 @@ def increment(name, amount = 1, options = nil) # :nodoc:
def
decrement
(
name
,
amount
=
1
,
options
=
nil
)
# :nodoc:
options
=
merged_options
(
options
)
instrument
(
:decrement
,
name
,
:amount
=>
amount
)
do
@data
.
decr
(
normalize_key
(
name
,
options
),
amount
)
rescue_error_with
nil
do
@data
.
decr
(
normalize_key
(
name
,
options
),
amount
)
end
end
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
nil
end
# Clear the entire cache on all memcached servers. This method should
# be used with care when shared cache is being used.
def
clear
(
options
=
nil
)
@data
.
flush_all
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
nil
rescue_error_with
(
nil
)
{
@data
.
flush_all
}
end
# Get the statistics from the memcached servers.
...
...
@@ -153,10 +148,7 @@ def stats
protected
# Read an entry from the cache.
def
read_entry
(
key
,
options
)
# :nodoc:
deserialize_entry
(
@data
.
get
(
key
,
options
))
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
nil
rescue_error_with
(
nil
)
{
deserialize_entry
(
@data
.
get
(
key
,
options
))
}
end
# Write an entry to the cache.
...
...
@@ -168,18 +160,14 @@ def write_entry(key, entry, options) # :nodoc:
# Set the memcache expire a few minutes in the future to support race condition ttls on read
expires_in
+=
5
.
minutes
end
@data
.
send
(
method
,
key
,
value
,
expires_in
,
options
)
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
false
rescue_error_with
false
do
@data
.
send
(
method
,
key
,
value
,
expires_in
,
options
)
end
end
# Delete an entry from the cache.
def
delete_entry
(
key
,
options
)
# :nodoc:
@data
.
delete
(
key
)
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
false
rescue_error_with
(
false
)
{
@data
.
delete
(
key
)
}
end
private
...
...
@@ -199,10 +187,15 @@ def deserialize_entry(raw_value)
if
raw_value
entry
=
Marshal
.
load
(
raw_value
)
rescue
raw_value
entry
.
is_a?
(
Entry
)
?
entry
:
Entry
.
new
(
entry
)
else
nil
end
end
def
rescue_error_with
(
fallback
)
yield
rescue
Dalli
::
DalliError
=>
e
logger
.
error
(
"DalliError (
#{
e
}
):
#{
e
.
message
}
"
)
if
logger
fallback
end
end
end
end
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