Class: Isomorfeus::Data::ObjectAccelerator

Inherits:
Object
  • Object
show all
Defined in:
lib/isomorfeus/data/object_accelerator.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ruby_class) ⇒ ObjectAccelerator

Returns a new instance of ObjectAccelerator.



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 11

def initialize(ruby_class)
  @object_class = ruby_class
  @object_class_name = ruby_class.name
  @class_cache = Isomorfeus.production?

  @store_path = File.expand_path(File.join(Isomorfeus.data_documents_path, "#{@object_class_name.underscore}"))
  open_store

  ObjectSpace.define_finalizer(self, self.class.finalize(self))
end

Instance Attribute Details

#object_class ⇒ Object (readonly)

Returns the value of attribute object_class.



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 8

def object_class
  @object_class
end

#object_class_name ⇒ Object (readonly)

Returns the value of attribute object_class_name.



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 8

def object_class_name
  @object_class_name
end

#store ⇒ Object

Returns the value of attribute store.



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 9

def store
  @store
end

Class Method Details

.finalize(acc) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 4

def self.finalize(acc)
  proc { acc.close_store }
end

Instance Method Details

#close_store ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 44

def close_store
  @store.close
end

#create_object(key, fields, already_saved) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 62

def create_object(key, fields, already_saved)
  ft = @object_class.field_types
  hash = fields.to_h do |k, v|
    [k, serialize_or_save(v, ft[k], already_saved)]
  end
  @store.add_document(hash.merge!({key: key}))
end

#destroy_object(key) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 70

def destroy_object(key)
  id = get_object_id(key)
  @store.delete(id) if id
end

#destroy_store ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 39

def destroy_store
  close_store
  FileUtils.rm_rf(@store_path)
end

#each(&block) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 52

def each(&block)
  ft = @object_class.field_types
  @store.each do |doc|
    hash = doc.to_h do |k, v|
      [k, unserialize_or_load(v, ft[k], {})]
    end
    block.call hash
  end
end

#load_object(key: nil, id: nil, already_loaded: {}) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 75

def load_object(key: nil, id: nil, already_loaded: {})
  hash = nil
  id = get_object_id(key) if key
  if id
    ft = @object_class.field_types
    hash = @store.doc(id)&.to_h do |k, v|
      [k, unserialize_or_load(v, ft[k], already_loaded)]
    end
  end
  hash
end

#object_from_ref(ref, already_loaded) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 22

def object_from_ref(ref, already_loaded)
  return nil if !ref || ref.empty?
  _, iso, type_class_name, key = ref.split('---')
  raise "not a valid object reference '#{ref}'" unless iso == "iso-object-reference"
  raise "invalid data class #{type_class_name}" unless Isomorfeus.valid_data_class_name?(type_class_name)
  type_class = Isomorfeus.cached_data_class(type_class_name)
  type_class.load(key: key, _already_loaded: already_loaded)
end

#save_object(key, fields, already_saved) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 87

def save_object(key, fields, already_saved)
  id = get_object_id(key)
  return create_object(key, fields, already_saved) unless id
  ft = @object_class.field_types
  hash = fields.to_h do |k, v|
    [k, serialize_or_save(v, ft[k], already_saved)]
  end
  @store.update(id, hash.merge!({key: key}))
  true
end

#search_each(query, options, &block) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 48

def search_each(query, options, &block)
  @store.search_each(query, options, &block)
end

#serialize(obj) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 31

def serialize(obj)
  Oj.dump(obj, mode: :object, circular: true, class_cache: @class_cache)
end

#unserialize(v) ⇒ Object 



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# File 'lib/isomorfeus/data/object_accelerator.rb', line 35

def unserialize(v)
  Oj.load(v, mode: :object, circular: true, class_cache: @class_cache)
end