Class: ADAL::MemoryCache

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/adal/memory_cache.rb

Overview

A simple cache implementation that is not persisted across application runs.

Constant Summary

Constants included from Logging

Logging::DEFAULT_LOG_LEVEL, Logging::DEFAULT_LOG_OUTPUT

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Logging

#logger

Constructor Details

#initialize ⇒ MemoryCache 



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# File 'lib/adal/memory_cache.rb', line 30

def initialize
  @entries = []
end

Instance Attribute Details

#entries ⇒ Object

Returns the value of attribute entries.



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# File 'lib/adal/memory_cache.rb', line 34

def entries
  @entries
end

Class Method Details

.from_json(json) ⇒ Object

Reconstructs the cache from JSON that was previously serialized.



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# File 'lib/adal/memory_cache.rb', line 87

def self.from_json(json)
  cache = MemoryCache.new
  cache.entries = JSON.parse(json).map do |e|
    CachedTokenResponse.from_json(e)
  end
  cache
end

Instance Method Details

#add(entries) ⇒ Object

Adds an array of objects to the cache.



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# File 'lib/adal/memory_cache.rb', line 43

def add(entries)
  entries = Array(entries)  # If entries is an array, this is a no-op.
  old_size = @entries.size
  @entries |= entries
  logger.verbose("Added #{entries.size - old_size} new entries to cache.")
end

#find(&query) ⇒ Object

By default, matches all entries.



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# File 'lib/adal/memory_cache.rb', line 57

def find(&query)
  query ||= proc { true }
  @entries.select(&query)
end

#remove(entries) ⇒ Object

Removes an array of objects from the cache.



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# File 'lib/adal/memory_cache.rb', line 69

def remove(entries)
  @entries -= Array(entries)
end

#to_json(_ = nil) ⇒ Object

Converts the cache entries into one JSON string.



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# File 'lib/adal/memory_cache.rb', line 78

def to_json(_ = nil)
  JSON.unparse(entries)
end