question: public boolean isValid ( ) { SSLSessionContext context = sessionContext ; if ( isValid && context != null && context . getSessionTimeout ( ) != 0 && getCreationTime ( ) + ( context . getSessionTimeout ( ) * 1000 ) < System . currentTimeMillis ( ) ) { isValid = false ; } return isValid ; }
target:  Returns a boolean flag signaling whether a SSL session is valid and available for resuming or joining or not.