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Class ::acs::LockfreeCache
::acs::LockfreeCache create ... \
[ -prefix prefix ]
Class Relations
::nx::Class create ::acs::LockfreeCache \ -superclass ::nx::ObjectMethods (to be applied on instances)
eval (scripted)
if {[info exists from_cache_indicator]} { :upvar $from_cache_indicator from_cache } if {![info exists ${:prefix}] || ![dict exists [set ${:prefix}] $key]} { #ns_log notice "### call cmd <$cmd>" set from_cache 0 set value [:uplevel $cmd] if {$no_empty} { ad_log warning "no_empty flag is deprecated and will be dropped in the future." lappend no_cache "" } if {[info exists no_cache] && $value in $no_cache} { #ns_log notice "### cache eval $key returns <$value> without caching" return $value } #if {$value eq "0"} { # ns_log notice "### cache eval $key returns <$value> with caching" #} dict set ${:prefix} $key $value #ns_log notice "### [list dict set ${:prefix} $key $value]" } else { set from_cache 1 set value [dict get [set ${:prefix}] $key] } #ns_log notice "### will return [list dict get ${:prefix} $key]" return $valueflush (scripted)
if {[info exists ${:prefix}]} { if {$pattern eq "*"} { ns_log notice "### dict flush ${:prefix} <$pattern>" unset -nocomplain ${:prefix} } elseif {[string first "*" $pattern] != -1} { # # A real pattern with wild-card was provided. # set keys [dict keys [set ${:prefix}] $pattern] ns_log notice "### dict flush ${:prefix} <$pattern> -> [llength $keys]" foreach key $keys { dict unset ${:prefix} $key } } elseif [dict exists [set ${:prefix}] $pattern] { # # A "pattern" without a wildcard was provided # dict unset ${:prefix} $pattern } }get (scripted)
if {[info exists ${:prefix}] && [dict exists [set ${:prefix}] $key]} { :upvar $var value set value [dict get [set ${:prefix}] $key] return 1 } return 0
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