public Object Invoke(Object proxy, MethodInfo method, Object[] args)
{
//don't proxy toString, hashCode, or equals
if (method.DeclaringType.Equals(typeof(object)))
{
return(method.Invoke(this, args));
}
//partition arguments into arguments that can
//be simply marshalled as part of the request and
//those that are response handlers
IList <Object> simpleMarshallArgs =
CollectionUtil.NewList(args);
ObjectStreamHandler streamHandlerArg =
ExtractStreamHandler(ReflectionUtil.GetParameterTypes(method), simpleMarshallArgs);
//build the request object
RemoteConnectorInfoImpl connectorInfo =
(RemoteConnectorInfoImpl)_configuration.ConnectorInfo;
RemoteFrameworkConnectionInfo connectionInfo =
connectorInfo.RemoteConnectionInfo;
OperationRequest request = new OperationRequest(
connectorInfo.ConnectorKey,
_configuration,
_operation,
method.Name,
simpleMarshallArgs);
//create the connection
RemoteFrameworkConnection connection =
new RemoteFrameworkConnection(connectionInfo);
try
{
connection.WriteObject(CultureInfo.CurrentUICulture);
connection.WriteObject(connectionInfo.Key);
//send the request
connection.WriteObject(request);
//now process each response stream (if any)
if (streamHandlerArg != null)
{
HandleStreamResponse(connection, streamHandlerArg);
}
//finally return the actual return value
OperationResponsePart response =
(OperationResponsePart)connection.ReadObject();
if (response.Exception != null)
{
throw response.Exception;
}
return(response.Result);
}
finally
{
connection.Dispose();
}
}
/// <summary>
/// Handles a stream response until the end of the stream
/// </summary>
private static void HandleStreamResponse(RemoteFrameworkConnection connection, ObjectStreamHandler streamHandler)
{
Object response;
bool handleMore = true;
while (true)
{
response = connection.ReadObject();
if (response is OperationResponsePart)
{
OperationResponsePart part = (OperationResponsePart)response;
if (part.Exception != null)
{
throw part.Exception;
}
object obj =
part.Result;
if (handleMore)
{
handleMore = streamHandler.Handle(obj);
}
}
else if (response is OperationResponsePause)
{
if (handleMore)
{
connection.WriteObject(new OperationRequestMoreData());
}
else
{
connection.WriteObject(new OperationRequestStopData());
}
}
else if (response is OperationResponseEnd)
{
break;
}
else
{
throw new ConnectorException("Unexpected response: " + response);
}
}
}
public RemoteConnectorInfoManagerImpl(RemoteFrameworkConnectionInfo info)
{
using (RemoteFrameworkConnection connection =
new RemoteFrameworkConnection(info))
{
connection.WriteObject(CultureInfo.CurrentUICulture);
connection.WriteObject(info.Key);
connection.WriteObject(new HelloRequest(HelloRequest.CONNECTOR_INFO));
HelloResponse response = (HelloResponse)connection.ReadObject();
if (response.Exception != null)
{
throw response.Exception;
}
IList <RemoteConnectorInfoImpl> remoteInfos =
response.ConnectorInfos;
//populate transient fields not serialized
foreach (RemoteConnectorInfoImpl remoteInfo in remoteInfos)
{
remoteInfo.RemoteConnectionInfo = info;
}
_connectorInfo =
CollectionUtil.NewReadOnlyList <RemoteConnectorInfoImpl, ConnectorInfo>(remoteInfos);
}
}
/// <summary>
/// Handles a stream response until the end of the stream
/// </summary>
private static void HandleStreamResponse(RemoteFrameworkConnection connection, ObjectStreamHandler streamHandler)
{
Object response;
bool handleMore = true;
while (true)
{
response = connection.ReadObject();
if (response is OperationResponsePart)
{
OperationResponsePart part = (OperationResponsePart)response;
if (part.Exception != null)
{
throw part.Exception;
}
object obj =
part.Result;
if (handleMore)
{
handleMore = streamHandler.Handle(obj);
}
}
else if (response is OperationResponsePause)
{
if (handleMore)
{
connection.WriteObject(new OperationRequestMoreData());
}
else
{
connection.WriteObject(new OperationRequestStopData());
}
}
else if (response is OperationResponseEnd)
{
break;
}
else
{
throw new ConnectorException("Unexpected response: " + response);
}
}
}
public Object Invoke(Object proxy, MethodInfo method, Object[] args)
{
//don't proxy toString, hashCode, or equals
if (method.DeclaringType.Equals(typeof(object)))
{
return method.Invoke(this, args);
}
//partition arguments into arguments that can
//be simply marshalled as part of the request and
//those that are response handlers
IList<Object> simpleMarshallArgs =
CollectionUtil.NewList(args);
ObjectStreamHandler streamHandlerArg =
ExtractStreamHandler(ReflectionUtil.GetParameterTypes(method), simpleMarshallArgs);
//build the request object
RemoteFrameworkConnectionInfo connectionInfo =
_connectorInfo.RemoteConnectionInfo;
OperationRequest request = new OperationRequest(
_connectorInfo.ConnectorKey, _connectorFacadeKey,
_operation,
method.Name,
simpleMarshallArgs);
//create the connection
RemoteFrameworkConnection connection =
new RemoteFrameworkConnection(connectionInfo);
try
{
connection.WriteObject(CultureInfo.CurrentUICulture);
connection.WriteObject(connectionInfo.Key);
//send the request
connection.WriteObject(request);
//now process each response stream (if any)
if (streamHandlerArg != null)
{
HandleStreamResponse(connection, streamHandlerArg);
}
//finally return the actual return value
OperationResponsePart response =
(OperationResponsePart)connection.ReadObject();
if (response.Exception != null)
{
throw response.Exception;
}
return response.Result;
}
finally
{
connection.Dispose();
}
}
public RemoteConnectorInfoManagerImpl(RemoteFrameworkConnectionInfo info)
{
using (RemoteFrameworkConnection connection =
new RemoteFrameworkConnection(info))
{
connection.WriteObject(CultureInfo.CurrentUICulture);
connection.WriteObject(info.Key);
connection.WriteObject(new HelloRequest(HelloRequest.CONNECTOR_INFO));
HelloResponse response = (HelloResponse)connection.ReadObject();
if (response.Exception != null)
{
throw response.Exception;
}
IList<RemoteConnectorInfoImpl> remoteInfos =
response.ConnectorInfos;
//populate transient fields not serialized
foreach (RemoteConnectorInfoImpl remoteInfo in remoteInfos)
{
remoteInfo.RemoteConnectionInfo = info;
}
_connectorInfo =
CollectionUtil.NewReadOnlyList<RemoteConnectorInfoImpl, ConnectorInfo>(remoteInfos);
}
}
