/// <summary>
/// Gets the target entity set for the given operation import.
/// </summary>
/// <param name="operationImport">The operation import.</param>
/// <param name="sourceEntitySet">The source entity set.</param>
/// <param name="model">The model.</param>
/// <returns>The target entity set of the operation import or null if it could not be determined.</returns>
internal static IEdmEntitySetBase GetTargetEntitySet(this IEdmOperationImport operationImport, IEdmEntitySetBase sourceEntitySet, IEdmModel model)
{
IEdmEntitySetBase targetEntitySet;
if (operationImport.TryGetStaticEntitySet(model, out targetEntitySet))
{
return(targetEntitySet);
}
if (sourceEntitySet == null)
{
return(null);
}
if (operationImport.Operation.IsBound && operationImport.Operation.Parameters.Any())
{
IEdmOperationParameter parameter;
Dictionary <IEdmNavigationProperty, IEdmPathExpression> path;
IEnumerable <EdmError> errors;
if (operationImport.TryGetRelativeEntitySetPath(model, out parameter, out path, out errors))
{
IEdmEntitySetBase currentEntitySet = sourceEntitySet;
foreach (var navigation in path)
{
currentEntitySet = currentEntitySet.FindNavigationTarget(navigation.Key, navigation.Value) as IEdmEntitySetBase;
if (currentEntitySet is IEdmUnknownEntitySet)
{
return(currentEntitySet);
}
}
return(currentEntitySet);
}
else
{
if (errors.Any(
e => e.ErrorCode == EdmErrorCode.InvalidPathFirstPathParameterNotMatchingFirstParameterName))
{
throw ExceptionUtil.CreateSyntaxError();
}
}
}
return(null);
}
/// <summary>
/// Gets the target entity set for the given operation import.
/// </summary>
/// <param name="operationImport">The operation import.</param>
/// <param name="sourceEntitySet">The source entity set.</param>
/// <param name="model">The model.</param>
/// <returns>The target entity set of the operation import or null if it could not be determined.</returns>
internal static IEdmEntitySetBase GetTargetEntitySet(this IEdmOperationImport operationImport, IEdmEntitySetBase sourceEntitySet, IEdmModel model)
{
IEdmEntitySet targetEntitySet;
if (operationImport.TryGetStaticEntitySet(out targetEntitySet))
{
return(targetEntitySet);
}
if (sourceEntitySet == null)
{
return(null);
}
if (operationImport.Operation.IsBound && operationImport.Operation.Parameters.Any())
{
IEdmOperationParameter parameter;
IEnumerable <IEdmNavigationProperty> path;
IEnumerable <EdmError> errors;
if (operationImport.TryGetRelativeEntitySetPath(model, out parameter, out path, out errors))
{
IEdmEntitySetBase currentEntitySet = sourceEntitySet;
foreach (var navigation in path)
{
currentEntitySet = currentEntitySet.FindNavigationTarget(navigation) as IEdmEntitySetBase;
if (currentEntitySet == null || currentEntitySet is IEdmUnknownEntitySet)
{
return(currentEntitySet);
}
}
return(currentEntitySet);
}
else
{
bool foundSyntaxError = !errors.Any(e => e.ErrorCode == EdmErrorCode.InvalidPathFirstPathParameterNotMatchingFirstParameterName);
ExceptionUtil.ThrowSyntaxErrorIfNotValid(foundSyntaxError);
}
}
return(null);
}