question: protected void reInit ( ) { if ( isLoggingEnabled ( ) ) stackLogger . logDebug ( "Re-initializing !" ) ; messageProcessors = new ArrayList < MessageProcessor > ( ) ; this . ioHandler = new IOHandler ( this ) ; pendingTransactions = new ConcurrentHashMap < String , SIPServerTransaction > ( ) ; clientTransactionTable = new ConcurrentHashMap < String , SIPClientTransaction > ( ) ; serverTransactionTable = new ConcurrentHashMap < String , SIPServerTransaction > ( ) ; retransmissionAlertTransactions = new ConcurrentHashMap < String , SIPServerTransaction > ( ) ; mergeTable = new ConcurrentHashMap < String , SIPServerTransaction > ( ) ; this . dialogTable = new ConcurrentHashMap < String , SIPDialog > ( ) ; this . earlyDialogTable = new ConcurrentHashMap < String , SIPDialog > ( ) ; this . terminatedServerTransactionsPendingAck = new ConcurrentHashMap < String , SIPServerTransaction > ( ) ; this . forkedClientTransactionTable = new ConcurrentHashMap < String , SIPClientTransaction > ( ) ; this . timer = new Timer ( ) ; this . activeClientTransactionCount = new AtomicInteger ( 0 ) ; }
target:  Re Initialize the stack instance.