protected override async Task <Stream> WriteActionContentAsync(string method, string commandText, string actionName, IDictionary <string, object> parameters)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, null, null, commandText, true)
.ConfigureAwait(false) : new ODataRequestMessage();
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), _model))
{
var action = _model.SchemaElements.BestMatch(
x => x.SchemaElementKind == EdmSchemaElementKind.Action,
x => x.Name, actionName, _session.Pluralizer) as IEdmAction;
var parameterWriter = await messageWriter.CreateODataParameterWriterAsync(action).ConfigureAwait(false);
await parameterWriter.WriteStartAsync().ConfigureAwait(false);
foreach (var parameter in parameters)
{
var operationParameter = action.Parameters.BestMatch(x => x.Name, parameter.Key, _session.Pluralizer);
if (operationParameter == null)
{
throw new UnresolvableObjectException(parameter.Key, string.Format("Parameter [{0}] not found for action [{1}]", parameter.Key, actionName));
}
await WriteOperationParameterAsync(parameterWriter, operationParameter, parameter.Key, parameter.Value).ConfigureAwait(false);
}
await parameterWriter.WriteEndAsync().ConfigureAwait(false);
return(IsBatch ? null : await message.GetStreamAsync().ConfigureAwait(false));
}
}
/// <summary>
/// Asynchronously detects the payload kinds supported by this format for the specified message payload.
/// </summary>
/// <param name="requestMessage">The request message with the payload stream.</param>
/// <param name="detectionInfo">Additional information available for the payload kind detection.</param>
/// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s
/// that are supported with the specified payload.</returns>
internal override Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(
IODataRequestMessageAsync requestMessage,
ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull(detectionInfo, "detectionInfo");
return(TaskUtils.GetTaskForSynchronousOperation(() => DetectPayloadKindImplementation(detectionInfo.ContentType)));
}
/// <summary>
/// Asynchronously detects the payload kinds supported by this format for the specified message payload.
/// </summary>
/// <param name="requestMessage">The request message with the payload stream.</param>
/// <param name="detectionInfo">Additional information available for the payload kind detection.</param>
/// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s
/// that are supported with the specified payload.</returns>
internal override Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(
IODataRequestMessageAsync requestMessage,
ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull(detectionInfo, "detectionInfo");
// Metadata is not supported in requests!
return(TaskUtils.GetCompletedTask(Enumerable.Empty <ODataPayloadKind>()));
}
public override Task <Stream> GetStreamAsync()
{
IODataRequestMessageAsync requestMessage = this.requestMessage as IODataRequestMessageAsync;
if (requestMessage == null)
{
throw new ODataException(Strings.ODataRequestMessage_AsyncNotAvailable);
}
return(base.GetStreamAsync(new Func <Task <Stream> >(requestMessage.GetStreamAsync), true));
}
/// <summary>
/// Asynchronously get the stream backing this message.
/// </summary>
/// <returns>The stream for this message.</returns>
public override Task <Stream> GetStreamAsync()
{
IODataRequestMessageAsync asyncRequestMessage = this.requestMessage as IODataRequestMessageAsync;
if (asyncRequestMessage == null)
{
throw new ODataException(Strings.ODataRequestMessage_AsyncNotAvailable);
}
return(this.GetStreamAsync(asyncRequestMessage.GetStreamAsync, /*isRequest*/ true));
}
/// <summary>
/// Asynchronously detects the payload kinds supported by this format for the specified message payload.
/// </summary>
/// <param name="requestMessage">The request message with the payload stream.</param>
/// <param name="detectionInfo">Additional information available for the payload kind detection.</param>
/// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s
/// that are supported with the specified payload.</returns>
internal override Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(
IODataRequestMessageAsync requestMessage,
ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull(detectionInfo, "detectionInfo");
// NOTE: After getting the message stream we already (asynchronously) buffered the whole stream in memory (in the AsyncBufferedStream).
// Until we get Task-based async stream APIs and retire the AsyncBufferedStream, we call the synchronous method on the buffered stream.
return(((ODataMessage)requestMessage).GetStreamAsync()
.FollowOnSuccessWith(streamTask => this.DetectPayloadKindImplementation(streamTask.Result, /*readingResponse*/ false, /*synchronous*/ false, detectionInfo)));
}
protected override async Task <Stream> WriteEntryContentAsync(string method, string collection, string commandText, IDictionary <string, object> entryData)
{
IODataRequestMessageAsync message = IsBatch
? await CreateOperationRequestMessageAsync(method, collection, entryData, commandText)
: new ODataRequestMessage();
var entityType = _model.FindDeclaredType(
_session.Metadata.GetEntityCollectionQualifiedTypeName(collection)) as IEdmEntityType;
var model = method == RestVerbs.Patch ? new EdmDeltaModel(_model, entityType, entryData.Keys) : _model;
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), model))
{
if (method == RestVerbs.Get || method == RestVerbs.Delete)
{
return(null);
}
var contentId = _deferredBatchWriter != null?_deferredBatchWriter.Value.GetContentId(entryData) : null;
var entityCollection = _session.Metadata.GetEntityCollection(collection);
var entryDetails = _session.Metadata.ParseEntryDetails(entityCollection.Name, entryData, contentId);
var entryWriter = await messageWriter.CreateODataEntryWriterAsync();
var entry = new Microsoft.OData.Core.ODataEntry();
entry.TypeName = entityType.FullName();
var typeProperties = (_model.FindDeclaredType(entry.TypeName) as IEdmEntityType).Properties();
entry.Properties = entryDetails.Properties.Select(x => new ODataProperty()
{
Name = typeProperties.BestMatch(y => y.Name, x.Key, _session.Pluralizer).Name,
Value = GetPropertyValue(typeProperties, x.Key, x.Value)
}).ToList();
await entryWriter.WriteStartAsync(entry);
if (entryDetails.Links != null)
{
foreach (var link in entryDetails.Links)
{
if (link.Value.Any(x => x.LinkData != null))
{
await WriteLinkAsync(entryWriter, entry, link.Key, link.Value);
}
}
}
await entryWriter.WriteEndAsync();
return(IsBatch ? null : await message.GetStreamAsync());
}
}
protected override async Task <Stream> WriteEntryContentAsync(string method, string collection, string commandText, IDictionary <string, object> entryData, bool resultRequired)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, collection, entryData, commandText, resultRequired).ConfigureAwait(false)
: new ODataRequestMessage();
if (method == RestVerbs.Get || method == RestVerbs.Delete)
{
return(null);
}
var entityType = _model.FindDeclaredType(
_session.Metadata.GetQualifiedTypeName(collection)) as IEdmEntityType;
var model = (method == RestVerbs.Patch || method == RestVerbs.Merge) ? new EdmDeltaModel(_model, entityType, entryData.Keys) : _model;
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), model))
{
var contentId = _deferredBatchWriter != null?_deferredBatchWriter.Value.GetContentId(entryData, null) : null;
//var entityCollection = _session.Metadata.GetEntityCollection(collection);
var entityCollection = _session.Metadata.NavigateToCollection(collection);
var entryDetails = _session.Metadata.ParseEntryDetails(entityCollection.Name, entryData, contentId);
var entryWriter = messageWriter.CreateODataEntryWriter();
var entry = CreateODataEntry(entityType.FullName(), entryDetails.Properties);
entryWriter.WriteStart(entry);
if (entryDetails.Links != null)
{
foreach (var link in entryDetails.Links)
{
if (link.Value.Any(x => x.LinkData != null))
{
WriteLink(entryWriter, entry, link.Key, link.Value);
}
}
}
entryWriter.WriteEnd();
if (IsBatch)
{
return(null);
}
return(await message.GetStreamAsync().ConfigureAwait(false));
}
}
protected override async Task <Stream> WriteActionContentAsync(string method, string commandText, string actionName, string boundTypeName, IDictionary <string, object> parameters)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, null, null, commandText, true).ConfigureAwait(false)
: new ODataRequestMessage();
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), _model))
{
Func <IEdmOperationParameter, IEdmType, bool> typeMatch = (parameter, baseType) =>
parameter == null ||
parameter.Type.Definition == baseType ||
parameter.Type.Definition.TypeKind == EdmTypeKind.Collection &&
(parameter.Type.Definition as IEdmCollectionType).ElementType.Definition == baseType;
var action = boundTypeName == null
? _model.SchemaElements.BestMatch(
x => x.SchemaElementKind == EdmSchemaElementKind.Action,
x => x.Name, actionName, _session.Pluralizer) as IEdmAction
: _model.SchemaElements.BestMatch(
x => x.SchemaElementKind == EdmSchemaElementKind.Action &&
typeMatch(
((IEdmAction)x).Parameters.FirstOrDefault(p => p.Name == "bindingParameter"),
_model.FindDeclaredType(boundTypeName)),
x => x.Name, actionName, _session.Pluralizer) as IEdmAction;
var parameterWriter = await messageWriter.CreateODataParameterWriterAsync(action).ConfigureAwait(false);
await parameterWriter.WriteStartAsync().ConfigureAwait(false);
foreach (var parameter in parameters)
{
var operationParameter = action.Parameters.BestMatch(x => x.Name, parameter.Key, _session.Pluralizer);
if (operationParameter == null)
{
throw new UnresolvableObjectException(parameter.Key, string.Format("Parameter [{0}] not found for action [{1}]", parameter.Key, actionName));
}
await WriteOperationParameterAsync(parameterWriter, operationParameter, parameter.Key, parameter.Value).ConfigureAwait(false);
}
await parameterWriter.WriteEndAsync().ConfigureAwait(false);
return(IsBatch ? null : await message.GetStreamAsync().ConfigureAwait(false));
}
}
protected override async Task <Stream> WriteLinkContentAsync(string method, string commandText, string linkIdent)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, null, null, commandText, false).ConfigureAwait(false)
: new ODataRequestMessage();
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), _model))
{
var link = new ODataEntityReferenceLink
{
Url = Utils.CreateAbsoluteUri(_session.Settings.BaseUri.AbsoluteUri, linkIdent)
};
messageWriter.WriteEntityReferenceLink(link);
if (IsBatch)
{
return(null);
}
return(await message.GetStreamAsync().ConfigureAwait(false));
}
}
protected override async Task <Stream> WriteActionContentAsync(string method, string commandText, string actionName, string boundTypeName, IDictionary <string, object> parameters)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, null, null, commandText, true).ConfigureAwait(false)
: new ODataRequestMessage();
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(ODataFormat.Json), _model))
{
var action = _model.SchemaElements
.Where(x => x.SchemaElementKind == EdmSchemaElementKind.EntityContainer)
.SelectMany(x => (x as IEdmEntityContainer).FunctionImports())
.BestMatch(x => x.Name, actionName, _session.Settings.NameMatchResolver);
var parameterWriter = await messageWriter.CreateODataParameterWriterAsync(action).ConfigureAwait(false);
await parameterWriter.WriteStartAsync().ConfigureAwait(false);
foreach (var parameter in parameters)
{
var operationParameter = action.Parameters.BestMatch(x => x.Name, parameter.Key, _session.Settings.NameMatchResolver);
if (operationParameter == null)
{
throw new UnresolvableObjectException(parameter.Key, $"Parameter [{parameter.Key}] not found for action [{actionName}]");
}
await WriteOperationParameterAsync(parameterWriter, operationParameter, parameter.Key, parameter.Value).ConfigureAwait(false);
}
await parameterWriter.WriteEndAsync().ConfigureAwait(false);
if (IsBatch)
{
return(null);
}
return(await message.GetStreamAsync().ConfigureAwait(false));
}
}
/// <summary>
/// Asynchronously get the stream backing this message.
/// </summary>
/// <returns>The stream for this message.</returns>
internal override Task <Stream> GetStreamAsync()
{
DebugUtils.CheckNoExternalCallers();
IODataRequestMessageAsync asyncRequestMessage = this.requestMessage as IODataRequestMessageAsync;
if (asyncRequestMessage == null)
{
throw new ODataException(Strings.ODataRequestMessage_AsyncNotAvailable);
}
Task <Stream> task = asyncRequestMessage.GetStreamAsync();
if (task == null)
{
throw new ODataException(Strings.ODataRequestMessage_StreamTaskIsNull);
}
return(task.ContinueWith((streamTask) =>
{
Stream messageStream = streamTask.Result;
ValidateMessageStream(messageStream);
return messageStream;
}));
}
internal override Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull<IODataRequestMessageAsync>(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull<ODataPayloadKindDetectionInfo>(detectionInfo, "detectionInfo");
return TaskUtils.GetTaskForSynchronousOperation<IEnumerable<ODataPayloadKind>>(() => DetectPayloadKindImplementation(detectionInfo.ContentType));
}
/// <summary>
/// Asynchronously detects the payload kinds supported by this format for the specified message payload.
/// </summary>
/// <param name="requestMessage">The request message with the payload stream.</param>
/// <param name="detectionInfo">Additional information available for the payload kind detection.</param>
/// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s
/// that are supported with the specified payload.</returns>
internal override Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(
IODataRequestMessageAsync requestMessage,
ODataPayloadKindDetectionInfo detectionInfo)
{
DebugUtils.CheckNoExternalCallers();
ExceptionUtils.CheckArgumentNotNull(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull(detectionInfo, "detectionInfo");
// NOTE: After getting the message stream we already (asynchronously) buffered the whole stream in memory (in the AsyncBufferedStream).
// Until we get Task-based async stream APIs and retire the AsyncBufferedStream, we call the synchronous method on the buffered stream.
return ((ODataMessage)requestMessage).GetStreamAsync()
.FollowOnSuccessWith(streamTask => this.DetectPayloadKindImplementation(streamTask.Result, /*readingResponse*/ false, /*synchronous*/ false, detectionInfo));
}
internal override Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull<IODataRequestMessageAsync>(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull<ODataPayloadKindDetectionInfo>(detectionInfo, "detectionInfo");
return ((ODataMessage) requestMessage).GetStreamAsync().FollowOnSuccessWith<Stream, IEnumerable<ODataPayloadKind>>(streamTask => this.DetectPayloadKindImplementation(streamTask.Result, false, false, detectionInfo));
}
/// <summary> /// Asynchronously detects the payload kinds supported by this format for the specified message payload. /// </summary> /// <param name="requestMessage">The request message with the payload stream.</param> /// <param name="detectionInfo">Additional information available for the payload kind detection.</param> /// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s /// that are supported with the specified payload.</returns> internal abstract Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo);
/// <summary> /// Asynchronously detects the payload kinds supported by this format for the specified message payload. /// </summary> /// <param name="requestMessage">The request message with the payload stream.</param> /// <param name="detectionInfo">Additional information available for the payload kind detection.</param> /// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s /// that are supported with the specified payload.</returns> internal abstract Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo);
internal static ODataMessageReader GetODataMessageReader(IODataRequestMessageAsync oDataRequestMessage, IEdmModel edmModel)
{
return(new ODataMessageReader(oDataRequestMessage, new ODataMessageReaderSettings(), edmModel));
}
/// <summary>
/// Asynchronously detects the payload kinds supported by this format for the specified message payload.
/// </summary>
/// <param name="requestMessage">The request message with the payload stream.</param>
/// <param name="detectionInfo">Additional information available for the payload kind detection.</param>
/// <returns>A task that when completed returns the set of <see cref="ODataPayloadKind"/>s
/// that are supported with the specified payload.</returns>
internal override Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(
IODataRequestMessageAsync requestMessage,
ODataPayloadKindDetectionInfo detectionInfo)
{
DebugUtils.CheckNoExternalCallers();
ExceptionUtils.CheckArgumentNotNull(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull(detectionInfo, "detectionInfo");
// Metadata is not supported in requests!
return TaskUtils.GetCompletedTask(Enumerable.Empty<ODataPayloadKind>());
}
internal override Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull <IODataRequestMessageAsync>(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull <ODataPayloadKindDetectionInfo>(detectionInfo, "detectionInfo");
return(TaskUtils.GetCompletedTask <IEnumerable <ODataPayloadKind> >(Enumerable.Empty <ODataPayloadKind>()));
}
protected override async Task <Stream> WriteActionContentAsync(string method, string commandText, string actionName, IDictionary <string, object> parameters)
{
IODataRequestMessageAsync message = IsBatch
? await CreateBatchOperationMessageAsync(method, null, null, commandText, false)
: new ODataRequestMessage();
using (var messageWriter = new ODataMessageWriter(message, GetWriterSettings(), _model))
{
var action = _model.SchemaElements.BestMatch(
x => x.SchemaElementKind == EdmSchemaElementKind.Action,
x => x.Name, actionName, _session.Pluralizer) as IEdmAction;
var parameterWriter = await messageWriter.CreateODataParameterWriterAsync(action);
await parameterWriter.WriteStartAsync();
foreach (var parameter in parameters)
{
var actionParameter = action.Parameters.BestMatch(x => x.Name, parameter.Key, _session.Pluralizer);
if (actionParameter == null)
{
throw new UnresolvableObjectException(parameter.Key, string.Format("Parameter [{0}] not found for action [{1}]", parameter.Key, actionName));
}
if (actionParameter.Type.Definition.TypeKind == EdmTypeKind.Collection)
{
var collectionType = actionParameter.Type.Definition as IEdmCollectionType;
var elementType = collectionType.ElementType;
if (elementType.Definition.TypeKind == EdmTypeKind.Entity)
{
var feedWriter = await parameterWriter.CreateFeedWriterAsync(parameter.Key);
var feed = new ODataFeed();
await feedWriter.WriteStartAsync(feed);
foreach (var item in parameter.Value as IEnumerable)
{
var entry = CreateODataEntry(elementType.Definition.FullTypeName(), item.ToDictionary());
await feedWriter.WriteStartAsync(entry);
await feedWriter.WriteEndAsync();
}
await feedWriter.WriteEndAsync();
}
else
{
var collectionWriter = await parameterWriter.CreateCollectionWriterAsync(parameter.Key);
await collectionWriter.WriteStartAsync(new ODataCollectionStart());
foreach (var item in parameter.Value as IEnumerable)
{
await collectionWriter.WriteItemAsync(item);
}
await collectionWriter.WriteEndAsync();
}
}
else
{
await parameterWriter.WriteValueAsync(parameter.Key, parameter.Value);
}
}
await parameterWriter.WriteEndAsync();
return(IsBatch ? null : await message.GetStreamAsync());
}
}
internal override Task <IEnumerable <ODataPayloadKind> > DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull <IODataRequestMessageAsync>(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull <ODataPayloadKindDetectionInfo>(detectionInfo, "detectionInfo");
return(((ODataMessage)requestMessage).GetStreamAsync().FollowOnSuccessWith <Stream, IEnumerable <ODataPayloadKind> >(streamTask => this.DetectPayloadKindImplementation(streamTask.Result, false, false, detectionInfo)));
}
internal override Task<IEnumerable<ODataPayloadKind>> DetectPayloadKindAsync(IODataRequestMessageAsync requestMessage, ODataPayloadKindDetectionInfo detectionInfo)
{
ExceptionUtils.CheckArgumentNotNull<IODataRequestMessageAsync>(requestMessage, "requestMessage");
ExceptionUtils.CheckArgumentNotNull<ODataPayloadKindDetectionInfo>(detectionInfo, "detectionInfo");
return TaskUtils.GetCompletedTask<IEnumerable<ODataPayloadKind>>(Enumerable.Empty<ODataPayloadKind>());
}