/// <summary>
/// Converts a queryExpression to a payload where applicable, returns null if not required
/// </summary>
/// <param name="expression">Expression to convert</param>
/// <returns>OData Payload</returns>
public ODataPayloadElement ComputePayload(QueryExpression expression)
{
LinqToAstoriaProcedureExpressionLocatorVisitor visitor = new LinqToAstoriaProcedureExpressionLocatorVisitor();
var procedureExpression = visitor.FindProcedure(expression);
if (procedureExpression == null)
{
return(null);
}
var actionAnnotation = procedureExpression.Function.Annotations.OfType <ServiceOperationAnnotation>().SingleOrDefault();
ExceptionUtilities.CheckObjectNotNull(actionAnnotation, "Should have an action annotation");
ExceptionUtilities.Assert(procedureExpression.Function.IsAction(), "Visitor did not find a procedure");
var nonboundArguments = procedureExpression.GetNonBoundFunctionArgments();
var parameterKeyValues = procedureExpression.Function.ConvertActionArgumentsToTypedValues(actionAnnotation, nonboundArguments);
var complexInstance = new ComplexInstance(null, false);
foreach (var parameterKeyValuePair in parameterKeyValues)
{
var parameterPrimitiveValue = parameterKeyValuePair.Value as PrimitiveValue;
var primitiveMultiValue = parameterKeyValuePair.Value as PrimitiveMultiValue;
var complexMultiValue = parameterKeyValuePair.Value as ComplexMultiValue;
if (parameterPrimitiveValue != null)
{
complexInstance.Add(new PrimitiveProperty(parameterKeyValuePair.Key, parameterPrimitiveValue.FullTypeName, parameterPrimitiveValue.ClrValue));
}
else if (primitiveMultiValue != null)
{
complexInstance.Add(new PrimitiveMultiValueProperty(parameterKeyValuePair.Key, primitiveMultiValue));
}
else if (complexMultiValue != null)
{
complexInstance.Add(new ComplexMultiValueProperty(parameterKeyValuePair.Key, complexMultiValue));
}
else
{
var parameterComplexInstance = parameterKeyValuePair.Value as ComplexInstance;
ExceptionUtilities.CheckObjectNotNull(parameterComplexInstance, "Unsupported type");
complexInstance.Add(new ComplexProperty(parameterKeyValuePair.Key, parameterComplexInstance));
}
}
return(complexInstance);
}
/// <summary>
/// Converts a queryExpression to a payload where applicable, returns null if not required
/// </summary>
/// <param name="expression">Expression to convert</param>
/// <returns>OData Payload</returns>
public ODataPayloadElement ComputePayload(QueryExpression expression)
{
LinqToAstoriaProcedureExpressionLocatorVisitor visitor = new LinqToAstoriaProcedureExpressionLocatorVisitor();
var procedureExpression = visitor.FindProcedure(expression);
if (procedureExpression == null)
{
return null;
}
var actionAnnotation = procedureExpression.Function.Annotations.OfType<ServiceOperationAnnotation>().SingleOrDefault();
ExceptionUtilities.CheckObjectNotNull(actionAnnotation, "Should have an action annotation");
ExceptionUtilities.Assert(procedureExpression.Function.IsAction(), "Visitor did not find a procedure");
var nonboundArguments = procedureExpression.GetNonBoundFunctionArgments();
var parameterKeyValues = procedureExpression.Function.ConvertActionArgumentsToTypedValues(actionAnnotation, nonboundArguments);
var complexInstance = new ComplexInstance(null, false);
foreach (var parameterKeyValuePair in parameterKeyValues)
{
var parameterPrimitiveValue = parameterKeyValuePair.Value as PrimitiveValue;
var primitiveMultiValue = parameterKeyValuePair.Value as PrimitiveMultiValue;
var complexMultiValue = parameterKeyValuePair.Value as ComplexMultiValue;
if (parameterPrimitiveValue != null)
{
complexInstance.Add(new PrimitiveProperty(parameterKeyValuePair.Key, parameterPrimitiveValue.FullTypeName, parameterPrimitiveValue.ClrValue));
}
else if (primitiveMultiValue != null)
{
complexInstance.Add(new PrimitiveMultiValueProperty(parameterKeyValuePair.Key, primitiveMultiValue));
}
else if (complexMultiValue != null)
{
complexInstance.Add(new ComplexMultiValueProperty(parameterKeyValuePair.Key, complexMultiValue));
}
else
{
var parameterComplexInstance = parameterKeyValuePair.Value as ComplexInstance;
ExceptionUtilities.CheckObjectNotNull(parameterComplexInstance, "Unsupported type");
complexInstance.Add(new ComplexProperty(parameterKeyValuePair.Key, parameterComplexInstance));
}
}
return complexInstance;
}
