class PDF::Reader::SynchronizedCache
Throughout the pdf-reader codebase, repeated calculations which can benefit from caching are made In some cases, caching and reusing results can not only save CPU cycles but also greatly reduce memory requirements But at the same time, we don’t want to throw away thread safety We have two interchangeable thread-safe cache implementations:
Public Class Methods
Source
# File lib/pdf/reader/synchronized_cache.rb, line 23 def initialize @cache = {} @mutex = Mutex.new end
Public Instance Methods
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# File lib/pdf/reader/synchronized_cache.rb, line 27 def [](key) @mutex.synchronize { @cache[key] } end
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# File lib/pdf/reader/synchronized_cache.rb, line 30 def []=(key,value) @mutex.synchronize { @cache[key] = value } end