question: public void ssoTokenChanged ( SSOTokenEvent evt ) { try { int type = evt . getType ( ) ; switch ( type ) { case SSOTokenEvent . SSO_TOKEN_IDLE_TIMEOUT : case SSOTokenEvent . SSO_TOKEN_MAX_TIMEOUT : case SSOTokenEvent . SSO_TOKEN_DESTROY : SSOToken token = evt . getToken ( ) ; clearAllData ( token . getTokenID ( ) ) ; break ; } } catch ( SSOException ssoe ) { } }
target:  Gets notification when single sign on token changes state.