abstract public void init(Subject subject,java.util.Map sharedState,java.util.Map options);

abstract public void init ( Subject subject , java . util . Map sharedState , java . util . Map options ) ;
initialize this loginmodule . < p > this is an abstract method , must be implemented by user ' s login module to initialize this loginmodule with the relevant information . if this loginmodule does not understand any of the data stored in sharedstate or options parameters , they can be ignored .
