Class TclOO:类记录器mixin
请推荐TclOO类记录器mixin/trait 当用作类记录器时,记录器包括中断:Class TclOO:类记录器mixin,class,logging,tcl,mixins,Class,Logging,Tcl,Mixins,请推荐TclOO类记录器mixin/trait 当用作类记录器时,记录器包括中断: #!/usr/bin/env tclsh package require logger package require logger::utils ::oo::class create Main { variable log constructor {} { set this_inst [namespace current] set this_klaz [info
#!/usr/bin/env tclsh
package require logger
package require logger::utils
::oo::class create Main {
variable log
constructor {} {
set this_inst [namespace current]
set this_klaz [info object class $this_inst]
set log [::logger::init $this_klaz]
::logger::utils::applyAppender \
-appender "console" \
-appenderArgs {-conversionPattern {%d \[%p\] \[%M\] %m}} \
-serviceCmd $log
}
method invoke {} {
${log}::info "hello"
}
}
set main [Main new]
$main invoke
生成对象命名空间:
2018/05/15 08:54:43 [info] [::oo::Obj12] hello
2018/05/15 08:54:43 [info] [::Main::invoke] hello
而不是类/方法命名空间:
2018/05/15 08:54:43 [info] [::oo::Obj12] hello
2018/05/15 08:54:43 [info] [::Main::invoke] hello
这是
::logger::utils::createLogProc
中的错误,因为%M
替换不知道TclOO。如果是,则不会使用调用该方法的对象的名称,而是使用该方法的名称。(它似乎是为了与[incr Tcl]配合使用而设计的,而[incr Tcl]确实像您希望的那样命名方法。)
理想情况下,应该为每个类设置一次记录器,而不是为每个实例设置一次记录器。以下是您如何做到这一点:
package require logger
package require logger::utils
::oo::class create Main {
variable log
self {
variable log
method init {} {
set log [::logger::init [self]]
::logger::utils::applyAppender \
-appender "console" \
-appenderArgs {-conversionPattern {%d \[%p\] \[%M\] %m}} \
-serviceCmd $log
}
method logger {} {return $log}
}
constructor {} {
set log [[self class] logger]
}
method invoke {} {
${log}::info "hello"
}
}
Main init
set main [Main new]
$main invoke
但这并不能解决问题。这实际上是因为它像下面这样查找%M
替换的值:
if {[info level] < 2} {
set method "global"
} else {
set method [lindex [info level -1] 0]
}
if {[info level] < 2} {
set method "global"
} elseif {[uplevel 1 {namespace which self}] == "::oo::Helpers::self"} {
set method [uplevel 1 {string cat [self class] "::" [self method]}]
} else {
set method [lindex [info level -1] 0]
}
如果{[info level]<2}{
设置方法“全局”
}否则{
设置方法[lindex[信息级别-1]0]
}
然而,它可能应该做更多类似的事情:
if {[info level] < 2} {
set method "global"
} else {
set method [lindex [info level -1] 0]
}
if {[info level] < 2} {
set method "global"
} elseif {[uplevel 1 {namespace which self}] == "::oo::Helpers::self"} {
set method [uplevel 1 {string cat [self class] "::" [self method]}]
} else {
set method [lindex [info level -1] 0]
}
如果{[info level]<2}{
设置方法“全局”
}elseif{[uplevel1{namespace which self}]==“::oo::Helpers::self”}{
set方法[uplevel 1{string cat[self-class]::“[self-method]}]
}否则{
设置方法[lindex[信息级别-1]0]
}
模式#1:向方法转发器提供命令
混合:
::oo::class create WithLogger {
self {
variable klaz_log
method init_log {} {
variable klaz_log [::logger::init [self]]
::logger::utils::applyAppender ... $klaz_log
}
method klaz_log {} {
return $klaz_log
}
}
method withLogger {} {
set this_klaz [self class]
$this_klaz init_log
set klaz_log [$this_klaz klaz_log]
{*}"proc log {level args} {tailcall ${klaz_log}::\${level} {*}\$args}"
}
}
用法:
::oo::class create Main {
mixin -append WithLogger
constructor {} {
my withLogger ; # needs setup
}
method invoke {} {
log info "hello" ; # uses command-to-method forwarder
}
}
set main [Main new]
$main invoke
输出:
2018/05/16 15:08:59 [info] [::Main::invoke] hello
是的
namespace current
不会生成您在此处期望的信息。我可能需要花一些时间来解释问题是什么,但核心问题是,您想要的信息没有以非TclOO感知记录器想要的方式找到。也许有一个正确的类名称空间访问的示例,以及在logger.tcl
source中的特定位置来解决这个问题?很好,谢谢。提交罚单: