コード例 #1
0
 /**
  * Get a free connection
  *
  * @return
  * @throws IllegalStateException - Thrown if a connection cannot be created.
  * @since 1.0.0
  */
 public IREMConnection getFreeConnection() throws IllegalStateException {
   Thread thread = Thread.currentThread();
   if (thread instanceof REMCallbackThread) {
     // The current thread is a call back thread, so just reuse the connection.
     // But this thread could actually be trying to access another registry.
     // So if this thread is for this registry, use it, if not for this registry, create a new
     // connection.
     // But if for this registry AND is already in a transaction, we need a fresh connection.
     REMCallbackThread callbackThread = (REMCallbackThread) thread;
     if (callbackThread.registry == this && !callbackThread.inTransaction()) {
       // This way any calls out to the remote vm will be on same thread as callback caller
       // on remote vm because that thread is waiting on this connection for commands.
       IREMConnection c = (callbackThread).getConnection();
       if (c.isConnected()) return c;
       else
         throw new IllegalStateException(
             ProxyRemoteMessages.REMProxyFactoryRegistry_CallbackConnectionNotWorking_EXC_);
     }
   }
   synchronized (fConnectionPool) {
     if (!fConnectionPool.isEmpty()) return (IREMConnection) fConnectionPool.pop();
     // else we need to allocate one.
     return createConnection();
   }
 }
コード例 #2
0
 /** Free the connection */
 public void returnConnection(IREMConnection connection) {
   if (connection.isConnected()) {
     Thread thread = Thread.currentThread();
     if (!(thread instanceof REMCallbackThread)
         || ((REMCallbackThread) thread).getConnection() != connection) {
       // We are not a callback thread, or we are but the connection is not for the thread, then
       // the connection
       // can be returned.
       synchronized (fConnectionPool) {
         if (fConnectionPool.size() < NUMBER_FREE_CONNECTIONS) fConnectionPool.push(connection);
         else connection.close(); // We don't need to maintain more than five free connections.
       }
     }
   }
 }