Module: TmpCache::Prototype::Methods

Defined in:
lib/tmp_cache/cache.rb

Instance Method Summary collapse

Instance Method Details

#cache ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 16

def cache
  @cache ||= Hash.new{|h,k| h = {:expire => 0, :value => nil}}
end

#each(&block) ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 58

def each(&block)
  gc
  cache.each do |k,v|
    yield k, v[:value]
  end
end

#gc ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 36

def gc
  cache.each do |k,c|
    if c[:expire] != nil and Time.now.to_i > c[:expire].to_i
      cache.delete k
    end
  end
end

#get(key) ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 28

def get(key)
  if cache[key][:expire] < Time.now.to_i
    return cache[key][:value] = nil
  else
    return cache[key][:value]
  end
end

#keys ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 48

def keys
  gc
  cache.keys
end

#reset ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 44

def reset
  @cache = nil
end

#set(key, value, expire = nil) ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 20

def set(key, value, expire=nil)
  cache[key] = {
    :value => value,
    :expire => expire ? Time.now.to_i+expire.to_i : nil
  }
  value
end

#values ⇒ Object 



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# File 'lib/tmp_cache/cache.rb', line 53

def values
  gc
  cache.values.map{|v| v[:value] }
end