/// <summary>
/// Writes "actions" or "functions" metadata.
/// </summary>
/// <param name="operations">The operations to write.</param>
/// <param name="isAction">true when writing the resource's actions; false when writing the resource's functions.</param>
internal void WriteOperations(IEnumerable <ODataOperation> operations, bool isAction)
{
// We cannot compare two URIs directly because the 'Equals' method on the 'Uri' class compares two 'Uri' instances without regard to the
// fragment part of the URI. (E.G: For 'http://someuri/index.htm#EC.action1' and http://someuri/index.htm#EC.action2', the 'Equals' method
// will return true.
IEnumerable <IGrouping <string, ODataOperation> > metadataGroups = operations.GroupBy(o =>
{
// We need to validate here to ensure that the metadata is not null, otherwise call to the method 'UriToString' will throw.
ValidationUtils.ValidateOperationNotNull(o, isAction);
WriterValidationUtils.ValidateCanWriteOperation(o, this.JsonLightOutputContext.WritingResponse);
ODataJsonLightValidationUtils.ValidateOperation(this.MetadataDocumentBaseUri, o);
return(this.GetOperationMetadataString(o));
});
foreach (IGrouping <string, ODataOperation> metadataGroup in metadataGroups)
{
this.WriteOperationMetadataGroup(metadataGroup);
}
}
/// <summary>
/// Gets the metadata reference fragment from the operation context uri.
/// i.e. if the operation context uri is {absolute metadata document uri}#{container-qualified-operation-name},
/// this method will return #{container-qualified-operation-name}.
/// </summary>
/// <param name="operation">Operation in question.</param>
/// <returns>The metadata reference fragment from the operation context uri.</returns>
private string GetOperationMetadataString(ODataOperation operation)
{
Debug.Assert(operation != null && operation.Metadata != null, "operation != null && operation.Metadata != null");
string operationMetadataString = UriUtils.UriToString(operation.Metadata);
Debug.Assert(ODataJsonLightUtils.IsMetadataReferenceProperty(operationMetadataString), "ODataJsonLightUtils.IsMetadataReferenceProperty(operationMetadataString)");
// If we don't have a metadata document URI (which is the case with nometadata mode), just write the string form of the Uri we were given.
if (this.MetadataDocumentBaseUri == null)
{
return(operation.Metadata.Fragment);
}
Debug.Assert(
!ODataJsonLightValidationUtils.IsOpenMetadataReferencePropertyName(this.MetadataDocumentBaseUri, operationMetadataString),
"Open metadata reference property is not supported, we should have thrown before this point.");
return(ODataConstants.ContextUriFragmentIndicator + ODataJsonLightUtils.GetUriFragmentFromMetadataReferencePropertyName(this.MetadataDocumentBaseUri, operationMetadataString));
}