Class: Flatpack::Core::BaseHasUuid

Inherits:
Object
  • Object
show all
Includes:
MapInitialize
Defined in:
lib/flatpack/core/base_has_uuid.rb

Constant Summary collapse

PROPERTY_NAMES = 
[:uuid]

Instance Method Summary collapse

Methods included from MapInitialize

#initialize, #set_properties

Instance Method Details

#<=>(other) ⇒ Object

Equality should be based solely on uuid



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# File 'lib/flatpack/core/base_has_uuid.rb', line 46

def <=>(other)
  @uuid <=> other.uuid
end

#class_for_property(property) ⇒ Object 



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# File 'lib/flatpack/core/base_has_uuid.rb', line 50

def class_for_property(property)
  klass=self.class
  result = nil
  while (klass and !result)
    result = klass::TYPE_MAP[property.to_sym] if defined? klass::TYPE_MAP
    klass = klass.superclass
  end
  result
end

#entity_name ⇒ Object

returns the flatpack entity name for this entity



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# File 'lib/flatpack/core/base_has_uuid.rb', line 40

def entity_name
  name = self.class.name.gsub(/^.*::/,'')
  name[0,1].downcase + name[1..-1]
end

#properties ⇒ Object

returns a hash of all flatpack property names => non-nil values for this entity



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# File 'lib/flatpack/core/base_has_uuid.rb', line 30

def properties
  map = {}
  property_names.each do |name|
    value = self.send(name)
    map[name] = value unless value == nil
  end
  map
end

#property_names ⇒ Object

returns an array of all flatpack property names for this entity



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# File 'lib/flatpack/core/base_has_uuid.rb', line 19

def property_names
  names = []
  klass=self.class
  while (klass)
    names += klass::PROPERTY_NAMES if defined? klass::PROPERTY_NAMES
    klass = klass.superclass
  end
  names
end

#uuid ⇒ Object

returns this entity’s assigned uuid. If no uuid has been assigned, a new uuid will be generated and assigned before returning.



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# File 'lib/flatpack/core/base_has_uuid.rb', line 14

def uuid 
  @uuid = @uuid || UUIDTools::UUID.random_create
end