Class: Lutaml::Hal::Cache::SimpleCacheStore

Inherits:
Object
  • Object
show all
Defined in:
lib/lutaml/hal/cache/simple_cache_store.rb

Overview

Simple in-memory cache store for testing and fallback scenarios

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_size = 100) ⇒ SimpleCacheStore

Returns a new instance of SimpleCacheStore.



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 10

def initialize(max_size = 100)
  @max_size = max_size
  @cache = {}
  @access_order = []
end

Instance Attribute Details

#max_size ⇒ Object (readonly)

Returns the value of attribute max_size.



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 8

def max_size
  @max_size
end

Instance Method Details

#cache_info ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 62

def cache_info
  stats
end

#clear ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 45

def clear
  @cache.clear
  @access_order.clear
end

#delete(key) ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 40

def delete(key)
  @access_order.delete(key)
  @cache.delete(key)
end

#get(key) ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 16

def get(key)
  return nil unless @cache.key?(key)

  # Update access order for LRU
  @access_order.delete(key)
  @access_order.push(key)

  @cache[key]
end

#set(key, value) ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 26

def set(key, value)
  # Remove existing entry if present
  if @cache.key?(key)
    @access_order.delete(key)
  elsif @cache.size >= @max_size
    # Evict least recently used item
    lru_key = @access_order.shift
    @cache.delete(lru_key)
  end

  @cache[key] = value
  @access_order.push(key)
end

#size ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 50

def size
  @cache.size
end

#stats ⇒ Object 



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# File 'lib/lutaml/hal/cache/simple_cache_store.rb', line 54

def stats
  {
    size: @cache.size,
    max_size: @max_size,
    keys: @cache.keys
  }
end