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 ( ) ; clearAllTrails ( token . getTokenID ( ) ) ; break ; } } catch ( SSOException ssoe ) { debug . warning ( "PageTrailManager.ssoTokenChanged()" , ssoe ) ; } }
target:  Gets notification when single sign on token changes state.