public PersistException toPersistException ( Throwable e ) { PersistException pe = transformIntoPersistException ( e ) ; if ( pe != null ) { return pe ; } Throwable cause = e . getCause ( ) ; if ( cause != null ) { pe = transformIntoPersistException ( cause ) ; if ( pe != null ) { return pe ; } } else { cause = e ; } return new PersistException ( cause ) ; }
Transforms the given throwable into an appropriate persist exception . If it already is a persist exception it is simply casted .