/// <summary>
/// Removes the specified interceptor from the internal interceptor list.
/// </summary>
/// <param name="interceptor">The interceptor to remove.</param>
public void RemoveInterceptor(MessageInterceptor interceptor)
{
lock (_activeInterceptors)
{
_activeInterceptors.Remove(interceptor);
}
}
/// <summary>
/// Adds the specified interceptor to the internal interceptor list.
/// </summary>
/// <param name="interceptor">The interceptor to add.</param>
public void AddInterceptor(MessageInterceptor interceptor)
{
lock (_activeInterceptors)
{
_activeInterceptors.Add(interceptor);
}
}
/// <summary>
/// Sends the specified message envelope and waits for the response in form of the specified message type.
/// </summary>
/// <param name="messageEnvelope">The message envelope to send.</param>
/// <param name="messageId">The message identifier to use while waiting for the response.</param>
/// <param name="responseType">The type of the response message to wait for.</param>
/// <param name="waitTimeoutMilliseconds">The wait timeout milliseconds.</param>
/// <returns>
/// Requested response message if it was received; null otherwise.
/// </returns>
public MessageBase SendAndWaitForResponse(object messageEnvelope,
string messageId,
Type responseType,
int waitTimeoutMilliseconds = 0)
{
if (messageEnvelope == null)
{
throw new ArgumentException("Invalid messageEnvelope specified.");
}
if (responseType == null)
{
throw new ArgumentException("Invalid responseType specified.");
}
MessageInterceptor interceptor = null;
try
{
lock (_syncLock)
{
if (_messageObjectStream == null)
{
return(null);
}
interceptor = new MessageInterceptor(messageId, responseType);
AddInterceptor(interceptor);
if (_messageObjectStream.Write(messageEnvelope) == false)
{
throw new ApplicationException(string.Format("Sending '{0}' to storage system failed.", messageEnvelope.GetType().Name));
}
}
if (waitTimeoutMilliseconds == 0)
{
interceptor.Wait();
return(interceptor.Message);
}
else
{
if (interceptor.Wait(waitTimeoutMilliseconds))
{
return(interceptor.Message);
}
return(null);
}
}
finally
{
if (interceptor != null)
{
RemoveInterceptor(interceptor);
interceptor.Dispose();
}
}
}
/// <summary>
/// Sends the specified message envelope and waits for the response in form of the specified message type.
/// </summary>
/// <param name="messageEnvelope">The message envelope to send.</param>
/// <param name="messageId">The message identifier to use while waiting for the response.</param>
/// <param name="responseType">The type of the response message to wait for.</param>
/// <param name="waitTimeoutMilliseconds">The wait timeout milliseconds.</param>
/// <returns>
/// Requested response message if it was received; null otherwise.
/// </returns>
public MessageBase SendAndWaitForResponse(object messageEnvelope,
string messageId,
Type responseType,
int waitTimeoutMilliseconds = 0)
{
if (messageEnvelope == null)
{
throw new ArgumentException("Invalid messageEnvelope specified.");
}
if (responseType == null)
{
throw new ArgumentException("Invalid responseType specified.");
}
MessageInterceptor interceptor = null;
try
{
lock (_syncLock)
{
if (_messageObjectStream == null)
{
return(null);
}
this.Trace("Initialize a new Message Interceptor and add it to the internal interceptor list.");
interceptor = new MessageInterceptor(messageId, responseType);
AddInterceptor(interceptor);
this.Trace($"Start sending {messageEnvelope.GetType().Name} to Storage System.");
if (_messageObjectStream.Write(messageEnvelope) == false)
{
throw new ApplicationException(string.Format("Sending '{0}' to storage system failed.", messageEnvelope.GetType().Name));
}
}
this.Trace("Waiting for the message interception notification and return the intercepted message.");
if (waitTimeoutMilliseconds == 0)
{
interceptor.Wait();
return(interceptor.Message);
}
else
{
if (interceptor.Wait(waitTimeoutMilliseconds))
{
return(interceptor.Message);
}
return(null);
}
}
finally
{
if (interceptor != null)
{
RemoveInterceptor(interceptor);
interceptor.Dispose();
}
}
}