question: private void readObject ( final java . io . ObjectInputStream in ) throws IOException , ClassNotFoundException { try { field = ( String ) in . readObject ( ) ; String patternString = ( String ) in . readObject ( ) ; pattern = Pattern . compile ( patternString , Pattern . CASE_INSENSITIVE ) ; } catch ( PatternSyntaxException e ) { throw new IOException ( "Invalid LIKE rule - " + e . getMessage ( ) ) ; } }
target:  Deserialize the state of the object.