T R A N S A C T I O N S  

Never: the client is not allowed to call with a transaction and if then an exception will 

be thrown 

tnieCl

EJB

Client

EJB

NotSupported: any existing transaction is suspended during the call. This is useful 

when the bean developer knows that the bean cannot participate in a transaction 

because it cannot undo its changes or wants to prevent the creation of a new 

transaction 

ntieCl

EJB

Client

EJB

Supported: call will be made with or without a transaction provided by the caller. 

This is useful when the bean developer does not care if it part of a transaction but it is 

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