Using EMFs as keys

Question

Is it possible to implement EMF objects hashCodeand equals? I would like to be able to use the model object as a key in HashMap.

Answer 1

EObject javadoc about this is clear. EObject may not specialize in hashCodeor equals. However, you can use them on maps if you know about the semantics of identity Object#equals(..)and #hashCode.

Answer 2

EMF, - EObject equals hashCode EO, . - , , .

, . , - , , .

Answer 3

EcoreUtil.equals(), , , .

Answer 4

() equals/hashCode EMF-*Impl. @generated not .