Module: SolidCacheDashboard::CacheEntry

Defined in:
lib/solid_cache_dashboard/cache_entry.rb

Constant Summary collapse

ACTIVE =

Constants

:active
EXPIRED = 
:expired
STATUSES = 
[ACTIVE, EXPIRED]
STATUS_COLORS = 
{
  ACTIVE => "green",
  EXPIRED => "amber"
}

Class Method Summary collapse

Class Method Details

.determine_expiration_status(entry) ⇒ Object

Calculates the expiration status for a cache entry



20
21
22
23
 
# File 'lib/solid_cache_dashboard/cache_entry.rb', line 20

def self.determine_expiration_status(entry)
  return ACTIVE unless entry.respond_to?(:expires_at) && entry.expires_at
  entry.expires_at <= Time.now ? EXPIRED : ACTIVE
end

.estimate_overhead(entry) ⇒ Object

Estimates the overhead size of a cache entry based on the SolidCache::Entry constants



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/solid_cache_dashboard/cache_entry.rb', line 35

def self.estimate_overhead(entry)
  if defined?(SolidCache.configuration) && SolidCache.configuration.respond_to?(:encrypt?) && SolidCache.configuration.encrypt?
    estimated_encryption_overhead = defined?(SolidCache::Entry::ESTIMATED_ENCRYPTION_OVERHEAD) ?
                                   SolidCache::Entry::ESTIMATED_ENCRYPTION_OVERHEAD :
                                   170
    estimated_row_overhead = defined?(SolidCache::Entry::ESTIMATED_ROW_OVERHEAD) ?
                           SolidCache::Entry::ESTIMATED_ROW_OVERHEAD :
                           140
    estimated_row_overhead + estimated_encryption_overhead
  else
    defined?(SolidCache::Entry::ESTIMATED_ROW_OVERHEAD) ?
    SolidCache::Entry::ESTIMATED_ROW_OVERHEAD :
    140
  end
end

.size_breakdown(entry) ⇒ Object

Returns size breakdown information for a given entry



26
27
28
29
30
31
32
 
# File 'lib/solid_cache_dashboard/cache_entry.rb', line 26

def self.size_breakdown(entry)
  {
    key_size: entry.key.to_s.bytesize,
    value_size: entry.value.to_s.bytesize,
    overhead_size: estimate_overhead(entry)
  }
end

.status_color(status) ⇒ Object

Returns the appropriate color for the given status



15
16
17
 
# File 'lib/solid_cache_dashboard/cache_entry.rb', line 15

def self.status_color(status)
  STATUS_COLORS[status] || "zinc"
end