Class: Arango::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/Cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/Cache.rb', line 3

def initialize
  @max  = {
    database: 10,
    collection: 20,
    document: 200,
    graph: 10,
    index: 20,
    user: 20,
    task: 20,
    view: 20,
    foxx: 20
  }

  @cache = {
    database: {},
    collection: {},
    document: {},
    graph: {},
    index: {},
    aql: {},
    user: {},
    task: {},
    view: {},
    foxx: {}
  }
end

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



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# File 'lib/Cache.rb', line 30

def cache
  @cache
end

#max ⇒ Object (readonly)

Returns the value of attribute max.



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# File 'lib/Cache.rb', line 30

def max
  @max
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/Cache.rb', line 55

def clear
  @cache.each_key{|k| @cache[k] = {}}
end

#destroy(type, id) ⇒ Object 



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# File 'lib/Cache.rb', line 51

def destroy(type, id)
  @cache[type].delete(id)
end

#save(type, id, obj) ⇒ Object 



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# File 'lib/Cache.rb', line 44

def save(type, id, obj)
  while @cache[type].length >= @max[type]
    @cache[type].shift
  end
  @cache[type][id] = obj
end

#to_h ⇒ Object 



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# File 'lib/Cache.rb', line 32

def to_h
  hash = {
    "max": @max,
    "cache": {}
  }
  @cache.each do |key, hash2|
    next if hash2.empty?
    hash[:cache][key] = hash2.keys
  end
  hash
end

#updateMax(type:, val:) ⇒ Object 



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# File 'lib/Cache.rb', line 59

def updateMax(type:, val:)
  type = type.to_sym rescue type = :error
  unless @max.has_key?(type.to_sym)
    ArangoDB::Error.new :element_in_cache_does_not_exist,
      {wrong_attribute: :type, wrong_value: type}
  end
  while @cache[type].length > val
    @cache[type].shift
  end
  @max[type] = val
end