Class: PDF::Reader::SynchronizedCache
- Inherits:
-
Object
- Object
- PDF::Reader::SynchronizedCache
- Defined in:
- lib/pdf/reader/synchronized_cache.rb
Overview
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:
Instance Method Summary collapse
- #[](key) ⇒ Object
- #[]=(key, value) ⇒ Object
-
#initialize ⇒ SynchronizedCache
constructor
A new instance of SynchronizedCache.
Constructor Details
#initialize ⇒ SynchronizedCache
Returns a new instance of SynchronizedCache.
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# File 'lib/pdf/reader/synchronized_cache.rb', line 22 def initialize @cache = {} @mutex = Mutex.new end |
Instance Method Details
#[](key) ⇒ Object
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# File 'lib/pdf/reader/synchronized_cache.rb', line 26 def [](key) @mutex.synchronize { @cache[key] } end |
#[]=(key, value) ⇒ Object
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# File 'lib/pdf/reader/synchronized_cache.rb', line 29 def []=(key,value) @mutex.synchronize { @cache[key] = value } end |