AbstractStrategyStore
Store that compresses cached data using GZip. Usually wraps other stores and good for caching of large pages.
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 47 def compress(data) return if data.nil? output = StringIO.new gz = Zlib::GzipWriter.new(output) gz.write(Marshal.dump(data)) gz.close output.string end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 57 def decompress(data) return if data.nil? Marshal.load(Zlib::GzipReader.new(StringIO.new(data)).read) end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 39 def delete(key, parameters = {}) @stores.map {|c| c.delete(key, parameters)}.any? end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 43 def delete_all! @stores.map {|c| c.delete_all! }.all? end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 35 def exists?(key, parameters = {}) @stores.capture_first {|c| c.exists?(key, parameters)} end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 30 def fetch(key, parameters = {}, conditions = {}, &blk) wrapper_blk = lambda { compress(blk.call) } read(key, parameters) || decompress(@stores.capture_first {|s| s.fetch(key, parameters, conditions, &wrapper_blk)}) end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 14 def read(key, parameters = {}) decompress(@stores.capture_first {|c| c.read(key, parameters)}) end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 10 def writable?(key, parameters = {}, conditions = {}) @stores.any? {|c| c.writable?(key, parameters, conditions)} end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 18 def write(key, data = nil, parameters = {}, conditions = {}) if writable?(key, parameters, conditions) @stores.capture_first {|c| c.write(key, compress(data), parameters, conditions)} end end
# File lib/merb-cache/stores/strategy/gzip_store.rb, line 24 def write_all(key, data = nil, parameters = {}, conditions = {}) if writable?(key, parameters, conditions) @stores.map {|c| c.write_all(key, compress(data), parameters, conditions)}.all? end end
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