public boolean attachSbbEntity ( SbbEntityID sbbEntityId ) { boolean attached = cacheData . attachSbbEntity ( sbbEntityId ) ; if ( attached ) { if ( acReferencesHandler != null ) { acReferencesHandler . sbbeReferenceCreated ( false ) ; } } if ( logger . isTraceEnabled ( ) ) { logger . trace ( "Attachement from sbb entity " + sbbEntityId + " to AC " + getActivityContextHandle ( ) + " result: " + attached ) ; } return attached ; }
attach an sbb entity to this AC .