Module: Lafcadio::DomainComparable

Includes:
Comparable
Included in:
DomainObject, DomainObjectProxy
Defined in:
lib/lafcadio/domain.rb

Overview

DomainComparable is used by DomainObject and DomainObjectProxy to define comparisons.

Instance Method Summary collapse

Instance Method Details

#<=>(anOther) ⇒ Object

A DomainObject or DomainObjectProxy is compared by domain_class and by pk_id.



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# File 'lib/lafcadio/domain.rb', line 124

def <=>(anOther)
	if anOther.respond_to?( 'domain_class' )
		if self.domain_class == anOther.domain_class
			self.pk_id <=> anOther.pk_id
		else
			self.domain_class.name <=> anOther.domain_class.name
		end
	else
		nil
	end
end

#eql?(otherObj) ⇒ Boolean

Two DomainObjects or DomainObjectProxies are eql? if they have the same domain_class and the same pk_id.

Returns:

  • (Boolean) 


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# File 'lib/lafcadio/domain.rb', line 138

def eql?( otherObj ); self == otherObj; end

#hash ⇒ Object 



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# File 'lib/lafcadio/domain.rb', line 140

def hash; "#{ self.class.name } #{ pk_id }".hash; end