Class: Geminabox::DiskCache

Inherits:
Object
  • Object
show all
Defined in:
lib/geminabox/disk_cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root_path) ⇒ DiskCache

Returns a new instance of DiskCache.



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# File 'lib/geminabox/disk_cache.rb', line 6

def initialize(root_path)
  @root_path = root_path
  ensure_dir_exists!
end

Instance Attribute Details

#root_path ⇒ Object (readonly)

Returns the value of attribute root_path.



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# File 'lib/geminabox/disk_cache.rb', line 4

def root_path
  @root_path
end

Instance Method Details

#cache(key) ⇒ Object 



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# File 'lib/geminabox/disk_cache.rb', line 21

def cache(key)
  key_hash = key_hash(key)
  read(key_hash) || write(key_hash, yield)
end

#flush ⇒ Object 



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# File 'lib/geminabox/disk_cache.rb', line 16

def flush
  FileUtils.rm_rf(root_path)
  ensure_dir_exists!
end

#flush_key(key) ⇒ Object 



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# File 'lib/geminabox/disk_cache.rb', line 11

def flush_key(key)
  path = path(key_hash(key))
  FileUtils.rm_f(path)
end

#marshal_cache(key) ⇒ Object 



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# File 'lib/geminabox/disk_cache.rb', line 26

def marshal_cache(key)
  key_hash = key_hash(key)
  marshal_read(key_hash) || marshal_write(key_hash, yield)
end