private List <KeyValuePair <String, Object> > GetParameters(OperationImportSegment importSegment, Stream requestStream, String contentType)
{
var parameters = new List <KeyValuePair <String, Object> >();
foreach (OperationSegmentParameter segmentParameter in importSegment.Parameters)
{
Object value;
var constantNode = segmentParameter.Value as ConstantNode;
if (constantNode == null)
{
value = OeEdmClrHelper.GetValue(_model, segmentParameter.Value);
}
else
{
value = OeEdmClrHelper.GetValue(_model, constantNode.Value);
}
parameters.Add(new KeyValuePair <String, Object>(segmentParameter.Name, value));
}
var operation = (EdmOperation)importSegment.OperationImports.Single().Operation;
if (parameters.Count == 0 && requestStream != null)
{
FillParameters(parameters, requestStream, operation, contentType);
}
OrderParameters(operation.Parameters, parameters);
return(parameters);
}
private void FillParameters(List <KeyValuePair <String, Object> > parameters, Stream requestStream, IEdmOperation operation, String contentType)
{
if (!operation.Parameters.Any())
{
return;
}
IODataRequestMessage requestMessage = new OeInMemoryMessage(requestStream, contentType);
var settings = new ODataMessageReaderSettings()
{
EnableMessageStreamDisposal = false
};
using (var messageReader = new ODataMessageReader(requestMessage, settings, _model))
{
ODataParameterReader parameterReader = messageReader.CreateODataParameterReader(operation);
while (parameterReader.Read())
{
Object value;
switch (parameterReader.State)
{
case ODataParameterReaderState.Value:
{
value = OeEdmClrHelper.GetValue(_model, parameterReader.Value);
break;
}
case ODataParameterReaderState.Collection:
{
ODataCollectionReader collectionReader = parameterReader.CreateCollectionReader();
value = OeEdmClrHelper.GetValue(_model, ReadCollection(collectionReader));
break;
}
case ODataParameterReaderState.Resource:
{
ODataReader reader = parameterReader.CreateResourceReader();
value = OeEdmClrHelper.GetValue(_model, ReadResource(reader));
break;
}
case ODataParameterReaderState.ResourceSet:
{
ODataReader reader = parameterReader.CreateResourceSetReader();
value = OeEdmClrHelper.GetValue(_model, ReadResourceSet(reader));
break;
}
default:
continue;
}
parameters.Add(new KeyValuePair <String, Object>(parameterReader.Name, value));
}
}
}