All Superinterfaces:
Serializable
All Known Implementing Classes:
ComplexInstanceEntityId, ComplexInstanceMemberEntityId, LongEntityId

public interface EntityId extends Serializable
This interface marks an opaque identifier for a tag store. Each tag store and implement it however it wants in order to track the most useful information for efficient operations. It must, however, but hashable. The tag provider will keep track of it and will pass the same instance back for further operations against the tag store.