protected object GetObjectFromSegmentInfo(ResourceType resourceType, System.Data.Services.SegmentInfo segmentInfo, bool verifyETag, bool checkForNull, bool replaceResource)
{
object crossReferencedResource;
if (segmentInfo.RequestExpression == null)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.BadRequest_ResourceCanBeCrossReferencedOnlyForBindOperation);
}
if (IsCrossReferencedSegment(segmentInfo, this.service))
{
crossReferencedResource = GetCrossReferencedResource(segmentInfo);
}
else
{
crossReferencedResource = GetResource(segmentInfo, (resourceType != null) ? resourceType.FullName : null, this.Service, checkForNull);
if (verifyETag)
{
this.service.Updatable.SetETagValues(crossReferencedResource, segmentInfo.TargetContainer);
}
}
if (replaceResource)
{
crossReferencedResource = this.Updatable.ResetResource(crossReferencedResource);
WebUtil.CheckResourceExists(crossReferencedResource != null, segmentInfo.Identifier);
}
return(crossReferencedResource);
}
protected override object Read(System.Data.Services.SegmentInfo segmentInfo)
{
ODataEntry entry;
ResourceType targetResourceType = segmentInfo.TargetResourceType;
IEdmEntityType schemaType = (IEdmEntityType)base.GetSchemaType(targetResourceType);
ODataReader odataReader = base.MessageReader.CreateODataEntryReader(schemaType);
try
{
entry = this.ReadEntry(odataReader, segmentInfo);
}
catch (UriFormatException exception)
{
if (this.ContentFormat == ContentFormat.Atom)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.Syndication_ErrorReadingEntry(exception.Message), exception);
}
throw;
}
ODataEntryAnnotation entryAnnotation = entry.GetAnnotation <ODataEntryAnnotation>();
base.RecurseEnter();
this.ApplyEntityProperties(segmentInfo, entry, entryAnnotation);
base.RecurseLeave();
return(entryAnnotation.EntityResource);
}
internal static Dictionary <string, object> ReadPayloadParameters(System.Data.Services.SegmentInfo actionSegment, IDataService dataService)
{
System.Data.Services.RequestDescription description = new System.Data.Services.RequestDescription(new System.Data.Services.SegmentInfo[] { actionSegment }, RequestUriProcessor.GetResultUri(dataService.OperationContext));
description.VerifyRequestVersion(System.Data.Services.RequestDescription.Version3Dot0, dataService);
using (Deserializer deserializer = CreateDeserializer(description, dataService, false, UpdateTracker.CreateUpdateTracker(dataService)))
{
return((Dictionary <string, object>)deserializer.Deserialize(actionSegment));
}
}
protected override object Read(System.Data.Services.SegmentInfo segmentInfo)
{
Uri url = base.MessageReader.ReadEntityReferenceLink().Url;
if (string.IsNullOrEmpty(CommonUtil.UriToString(url)))
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.BadRequest_MissingUriForLinkOperation);
}
return(RequestUriProcessor.GetAbsoluteUriFromReference(url, base.Service.OperationContext.AbsoluteServiceUri, base.RequestDescription.RequestVersion));
}
internal RequestDescription(SegmentInfo[] segmentInfos, Uri resultUri)
{
this.segmentInfos = segmentInfos;
this.resultUri = resultUri;
this.responseVersion = DataServiceDefaultResponseVersion;
this.actualResponseVersion = this.ResponseVersion;
this.PreferenceApplied = System.Data.Services.PreferenceApplied.None;
this.containerName = (((this.LastSegmentInfo.TargetKind != RequestTargetKind.PrimitiveValue) && (this.LastSegmentInfo.TargetKind != RequestTargetKind.OpenPropertyValue)) && (this.LastSegmentInfo.TargetKind != RequestTargetKind.MediaResource)) ? this.LastSegmentInfo.Identifier : ((this.LastSegmentInfo.TargetSource == RequestTargetSource.ServiceOperation) ? null : segmentInfos[segmentInfos.Length - 2].Identifier);
this.mimeType = ((this.TargetSource == RequestTargetSource.Property) && (this.Property != null)) ? this.Property.MimeType : ((this.TargetSource == RequestTargetSource.ServiceOperation) ? this.LastSegmentInfo.Operation.MimeType : null);
}
private object CreateNestedEntityAndApplyProperties(System.Data.Services.SegmentInfo segmentInfo, ODataEntry entry)
{
ODataEntryAnnotation entryAnnotation = entry.GetAnnotation <ODataEntryAnnotation>();
base.RecurseEnter();
this.CreateEntityResource(segmentInfo, entry, entryAnnotation, false);
this.ApplyEntityProperties(segmentInfo, entry, entryAnnotation);
base.RecurseLeave();
return(entryAnnotation.EntityResource);
}
internal RequestDescription(RequestTargetKind targetKind, RequestTargetSource targetSource, Uri resultUri)
{
SegmentInfo info = new SegmentInfo {
TargetKind = targetKind,
TargetSource = targetSource,
SingleResult = true
};
this.segmentInfos = new SegmentInfo[] { info };
this.resultUri = resultUri;
this.responseVersion = DataServiceDefaultResponseVersion;
this.actualResponseVersion = this.ResponseVersion;
this.PreferenceApplied = System.Data.Services.PreferenceApplied.None;
}
internal IEnumerable GetResultEnumerableFromRequest(SegmentInfo segmentInfo)
{
object obj2 = this.Execute(segmentInfo.RequestExpression);
IQueryable query = obj2 as IQueryable;
if (query != null)
{
this.dataService.InternalOnRequestQueryConstructed(query);
}
if ((segmentInfo.SingleResult && (query == null)) || (obj2 is IDataServiceInvokable))
{
obj2 = new object[] { obj2 };
}
return (IEnumerable) obj2;
}
internal SegmentInfo(SegmentInfo other)
{
this.Identifier = other.Identifier;
this.Key = other.Key;
this.Operation = other.Operation;
this.ProjectedProperty = other.ProjectedProperty;
this.RequestExpression = other.RequestExpression;
this.RequestEnumerable = other.RequestEnumerable;
this.SingleResult = other.SingleResult;
this.TargetContainer = other.TargetContainer;
this.TargetKind = other.TargetKind;
this.TargetSource = other.TargetSource;
this.targetResourceType = other.targetResourceType;
}
internal static object GetResource(System.Data.Services.SegmentInfo segmentInfo, string fullTypeName, IDataService service, bool checkForNull)
{
if (segmentInfo.TargetContainer != null)
{
DataServiceConfiguration.CheckResourceRights(segmentInfo.TargetContainer, EntitySetRights.ReadSingle);
}
segmentInfo.RequestEnumerable = (IEnumerable)service.ExecutionProvider.Execute(segmentInfo.RequestExpression);
object resource = service.Updatable.GetResource((IQueryable)segmentInfo.RequestEnumerable, fullTypeName);
if ((resource == null) && (segmentInfo.HasKeyValues || checkForNull))
{
throw DataServiceException.CreateResourceNotFound(segmentInfo.Identifier);
}
return(resource);
}
private void ApplyFeedInNavigationProperty(ResourceProperty navigationProperty, ResourceSetWrapper targetResourceSet, object entityResource, ODataFeed feed)
{
ODataFeedAnnotation annotation = feed.GetAnnotation <ODataFeedAnnotation>();
if (base.Update && ((this.ContentFormat != ContentFormat.VerboseJson) || (annotation.Count > 0)))
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.BadRequest_DeepUpdateNotSupported);
}
System.Data.Services.SegmentInfo segmentInfo = Deserializer.CreateSegment(navigationProperty, navigationProperty.Name, targetResourceSet, false);
foreach (ODataEntry entry in annotation)
{
object resourceToBeAdded = this.CreateNestedEntityAndApplyProperties(segmentInfo, entry);
base.Updatable.AddReferenceToCollection(entityResource, navigationProperty.Name, resourceToBeAdded);
}
}
/// <summary>Copy constructor.</summary>
/// <param name="other">Another <see cref="SegmentInfo"/> to get a shallow copy of.</param>
internal SegmentInfo(SegmentInfo other)
{
Debug.Assert(other != null, "other != null");
this.Identifier = other.Identifier;
this.Key = other.Key;
this.Operation = other.Operation;
this.OperationParameters = other.OperationParameters;
this.ProjectedProperty = other.ProjectedProperty;
this.RequestEnumerable = other.RequestEnumerable;
this.SingleResult = other.SingleResult;
this.TargetContainer = other.TargetContainer;
this.TargetKind = other.TargetKind;
this.TargetSource = other.TargetSource;
this.targetResourceType = other.targetResourceType;
}
private void ApplyEntityProperties(System.Data.Services.SegmentInfo segmentInfo, ODataEntry entry, ODataEntryAnnotation entryAnnotation)
{
object entityResource = entryAnnotation.EntityResource;
ResourceType entityResourceType = entryAnnotation.EntityResourceType;
this.ApplyValueProperties(entry, entityResourceType, entityResource);
this.ApplyNavigationProperties(entryAnnotation, segmentInfo.TargetContainer, entityResourceType, entityResource);
if (base.Update)
{
base.Tracker.TrackAction(entityResource, segmentInfo.TargetContainer, UpdateOperations.Change);
}
else
{
base.Tracker.TrackAction(entityResource, segmentInfo.TargetContainer, UpdateOperations.Add);
}
}
protected override object Read(System.Data.Services.SegmentInfo segmentInfo)
{
ResourceProperty projectedProperty;
ResourceType resourceType;
IEdmTypeReference typeReference;
if (segmentInfo.TargetKind == RequestTargetKind.OpenProperty)
{
projectedProperty = null;
resourceType = null;
typeReference = null;
}
else
{
projectedProperty = segmentInfo.ProjectedProperty;
resourceType = projectedProperty.ResourceType;
typeReference = base.GetTypeReference(resourceType, projectedProperty.CustomAnnotations.ToList <KeyValuePair <string, object> >());
if ((projectedProperty.Kind == ResourcePropertyKind.Primitive) && MetadataProviderUtils.ShouldDisablePrimitivePropertyNullValidation(projectedProperty, (IEdmPrimitiveTypeReference)typeReference))
{
typeReference = base.GetSchemaType(resourceType).ToTypeReference(true);
}
if (((projectedProperty.Kind == ResourcePropertyKind.ComplexType) && base.Service.Provider.IsV1Provider) && !typeReference.IsNullable)
{
typeReference = base.GetSchemaType(resourceType).ToTypeReference(true);
}
}
ODataProperty property2 = base.MessageReader.ReadProperty(typeReference);
if ((((this.ContentFormat != ContentFormat.PlainXml) || ((segmentInfo.TargetKind != RequestTargetKind.OpenProperty) && (property2.Value != null))) && ((this.ContentFormat != ContentFormat.VerboseJson) || (property2.Name.Length != 0))) && (string.CompareOrdinal(segmentInfo.Identifier, property2.Name) != 0))
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.PlainXml_IncorrectElementName(segmentInfo.Identifier, property2.Name));
}
object odataValue = property2.Value;
if ((segmentInfo.TargetKind == RequestTargetKind.OpenProperty) && (odataValue is ODataCollectionValue))
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.BadRequest_OpenCollectionProperty(property2.Name));
}
object obj3 = base.ConvertValue(odataValue, ref resourceType);
if (segmentInfo.TargetKind == RequestTargetKind.OpenProperty)
{
segmentInfo.TargetResourceType = resourceType;
}
return(obj3);
}
private void ApplyEntryInNavigationProperty(ResourceProperty navigationProperty, ResourceSetWrapper targetResourceSet, object entityResource, ODataEntry entry)
{
if (((this.ContentFormat != ContentFormat.VerboseJson) || (entry != null)) && base.Update)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.BadRequest_DeepUpdateNotSupported);
}
if (entry == null)
{
this.SetResourceReferenceToNull(entityResource, navigationProperty);
}
else
{
System.Data.Services.SegmentInfo segmentInfo = Deserializer.CreateSegment(navigationProperty, navigationProperty.Name, targetResourceSet, true);
object propertyValue = this.CreateNestedEntityAndApplyProperties(segmentInfo, entry);
base.Updatable.SetReference(entityResource, navigationProperty.Name, propertyValue);
}
}
protected override object Read(System.Data.Services.SegmentInfo segmentInfo)
{
Func <OperationParameter, bool> predicate = null;
Func <OperationParameter, bool> func2 = null;
IEdmFunctionImport functionImport = base.GetFunctionImport(segmentInfo.Operation);
ODataParameterReader reader = base.MessageReader.CreateODataParameterReader(functionImport);
Dictionary <string, object> dictionary = new Dictionary <string, object>(EqualityComparer <string> .Default);
while (reader.Read())
{
ResourceType parameterType;
object obj2;
switch (reader.State)
{
case ODataParameterReaderState.Value:
if (predicate == null)
{
predicate = p => p.Name == reader.Name;
}
parameterType = segmentInfo.Operation.Parameters.Single <OperationParameter>(predicate).ParameterType;
obj2 = base.ConvertValue(reader.Value, ref parameterType);
break;
case ODataParameterReaderState.Collection:
{
ODataCollectionReader collectionReader = reader.CreateCollectionReader();
if (func2 == null)
{
func2 = p => p.Name == reader.Name;
}
parameterType = segmentInfo.Operation.Parameters.Single <OperationParameter>(func2).ParameterType;
obj2 = base.ConvertValue(ReadCollectionParameterValue(collectionReader), ref parameterType);
break;
}
case ODataParameterReaderState.Completed:
return(dictionary);
default:
throw new InvalidOperationException(System.Data.Services.Strings.DataServiceException_GeneralError);
}
dictionary.Add(reader.Name, obj2);
}
return(dictionary);
}
protected static System.Data.Services.SegmentInfo CreateSegment(ResourceProperty property, string propertyName, ResourceSetWrapper propertySet, bool singleResult)
{
System.Data.Services.SegmentInfo info = new System.Data.Services.SegmentInfo {
TargetSource = RequestTargetSource.Property,
SingleResult = singleResult,
Identifier = propertyName
};
if (property == null)
{
info.TargetKind = RequestTargetKind.OpenProperty;
return(info);
}
info.TargetKind = RequestTargetKind.Resource;
info.Identifier = propertyName;
info.ProjectedProperty = property;
info.TargetResourceType = property.ResourceType;
info.TargetContainer = propertySet;
return(info);
}
internal static IEnumerator GetSingleResultFromRequest(SegmentInfo segmentInfo)
{
IEnumerator enumerator2;
IEnumerator requestEnumerator = WebUtil.GetRequestEnumerator(segmentInfo.RequestEnumerable);
bool flag = true;
try
{
WebUtil.CheckResourceExists(requestEnumerator.MoveNext(), segmentInfo.Identifier);
RequestDescription.CheckNullDirectReference(requestEnumerator.Current, segmentInfo);
flag = false;
enumerator2 = requestEnumerator;
}
finally
{
if (flag)
{
WebUtil.Dispose(requestEnumerator);
}
}
return enumerator2;
}
protected sealed override object Deserialize(System.Data.Services.SegmentInfo segmentInfo)
{
object obj2;
try
{
obj2 = this.Read(segmentInfo);
}
catch (XmlException exception)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.DataServiceException_GeneralError, exception);
}
catch (ODataContentTypeException exception2)
{
throw new DataServiceException(0x19f, null, System.Data.Services.Strings.DataServiceException_UnsupportedMediaType, null, exception2);
}
catch (ODataException exception3)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.DataServiceException_GeneralError, exception3);
}
return(obj2);
}
internal object ReadEntity()
{
System.Data.Services.RequestDescription requestDescription = this.RequestDescription;
if (requestDescription.TargetKind == RequestTargetKind.Resource)
{
this.RequestDescription.UpdateAndCheckEpmFeatureVersion(this.description.LastSegmentInfo.TargetContainer, this.Service);
}
System.Data.Services.SegmentInfo lastSegmentInfo = requestDescription.LastSegmentInfo;
if (!this.Update)
{
lastSegmentInfo = new System.Data.Services.SegmentInfo {
TargetKind = lastSegmentInfo.TargetKind,
TargetSource = lastSegmentInfo.TargetSource,
SingleResult = true,
ProjectedProperty = lastSegmentInfo.ProjectedProperty,
TargetResourceType = lastSegmentInfo.TargetResourceType,
TargetContainer = lastSegmentInfo.TargetContainer,
Identifier = lastSegmentInfo.Identifier
};
}
return(this.Deserialize(lastSegmentInfo));
}
protected override object Read(System.Data.Services.SegmentInfo segmentInfo)
{
ResourceType resourceType;
IEdmTypeReference typeReference;
ResourceProperty projectedProperty = segmentInfo.ProjectedProperty;
if (projectedProperty == null)
{
resourceType = null;
typeReference = null;
}
else
{
resourceType = projectedProperty.ResourceType;
typeReference = base.GetTypeReference(resourceType, projectedProperty.CustomAnnotations.ToList <KeyValuePair <string, object> >());
}
object obj3 = ODataMessageReaderDeserializer.ConvertPrimitiveValue(base.MessageReader.ReadValue(typeReference), ref resourceType);
if (projectedProperty == null)
{
segmentInfo.TargetResourceType = resourceType;
}
return(obj3);
}
private void CreateEntityResource(System.Data.Services.SegmentInfo segmentInfo, ODataEntry entry, ODataEntryAnnotation entryAnnotation, bool topLevel)
{
object obj2;
base.CheckAndIncrementObjectCount();
ResourceType entryResourceType = this.GetEntryResourceType(entry, segmentInfo.TargetResourceType);
base.UpdateAndCheckRequestResponseDSV(entryResourceType, topLevel);
if (segmentInfo.TargetKind == RequestTargetKind.OpenProperty)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.OpenNavigationPropertiesNotSupportedOnOpenTypes(segmentInfo.Identifier));
}
if (base.Update)
{
obj2 = base.GetObjectFromSegmentInfo(entryResourceType, segmentInfo, true, true, base.Service.OperationContext.Host.HttpVerb == HttpVerbs.PUT);
}
else
{
DataServiceConfiguration.CheckResourceRights(segmentInfo.TargetContainer, EntitySetRights.WriteAppend);
obj2 = base.Updatable.CreateResource(segmentInfo.TargetContainer.Name, entryResourceType.FullName);
}
entryAnnotation.EntityResource = obj2;
entryAnnotation.EntityResourceType = entryResourceType;
}
internal static bool IsCrossReferencedSegment(System.Data.Services.SegmentInfo segmentInfo, IDataService service)
{
return(segmentInfo.Identifier.StartsWith("$", StringComparison.Ordinal) && (service.GetSegmentForContentId(segmentInfo.Identifier) != null));
}
internal static void CheckNullDirectReference(object result, SegmentInfo segmentInfo)
{
if (segmentInfo.IsDirectReference && (result == null))
{
throw DataServiceException.CreateResourceNotFound(segmentInfo.Identifier);
}
}
internal static RequestDescription CreateSingleResultRequestDescription(RequestDescription description, object entity)
{
SegmentInfo info = new SegmentInfo {
RequestExpression = Expression.Constant(entity),
RequestEnumerable = new object[] { entity },
TargetKind = description.TargetKind,
TargetSource = description.TargetSource,
SingleResult = true,
ProjectedProperty = description.Property,
TargetResourceType = description.TargetResourceType,
TargetContainer = description.LastSegmentInfo.TargetContainer,
Identifier = description.LastSegmentInfo.Identifier
};
SegmentInfo[] segmentInfos = description.SegmentInfos;
segmentInfos[segmentInfos.Length - 1] = info;
return new RequestDescription(segmentInfos, description.ResultUri) { responseVersion = description.ResponseVersion, actualResponseVersion = description.ActualResponseVersion, PreferenceApplied = description.PreferenceApplied };
}
internal static object GetCrossReferencedResource(System.Data.Services.SegmentInfo segmentInfo)
{
object[] requestEnumerable = (object[])segmentInfo.RequestEnumerable;
return(requestEnumerable[0]);
}
protected abstract object Deserialize(System.Data.Services.SegmentInfo segmentInfo);
internal object ReadEntity()
{
System.Data.Services.RequestDescription requestDescription = this.RequestDescription;
if (requestDescription.TargetKind == RequestTargetKind.Resource)
{
this.RequestDescription.UpdateAndCheckEpmFeatureVersion(this.description.LastSegmentInfo.TargetContainer, this.Service);
}
System.Data.Services.SegmentInfo lastSegmentInfo = requestDescription.LastSegmentInfo;
if (!this.Update)
{
lastSegmentInfo = new System.Data.Services.SegmentInfo {
TargetKind = lastSegmentInfo.TargetKind,
TargetSource = lastSegmentInfo.TargetSource,
SingleResult = true,
ProjectedProperty = lastSegmentInfo.ProjectedProperty,
TargetResourceType = lastSegmentInfo.TargetResourceType,
TargetContainer = lastSegmentInfo.TargetContainer,
Identifier = lastSegmentInfo.Identifier
};
}
return this.Deserialize(lastSegmentInfo);
}
protected static System.Data.Services.SegmentInfo CreateSegment(ResourceProperty property, string propertyName, ResourceSetWrapper propertySet, bool singleResult)
{
System.Data.Services.SegmentInfo info = new System.Data.Services.SegmentInfo {
TargetSource = RequestTargetSource.Property,
SingleResult = singleResult,
Identifier = propertyName
};
if (property == null)
{
info.TargetKind = RequestTargetKind.OpenProperty;
return info;
}
info.TargetKind = RequestTargetKind.Resource;
info.Identifier = propertyName;
info.ProjectedProperty = property;
info.TargetResourceType = property.ResourceType;
info.TargetContainer = propertySet;
return info;
}
/// <summary>
/// Get the single result from the given segment info
/// </summary>
/// <param name="segmentInfo">segmentInfo which contains the request query</param>
/// <returns>query result as returned by the IQueryable query</returns>
internal static IEnumerator GetSingleResultFromEnumerable(SegmentInfo segmentInfo)
{
IEnumerator queryResults = WebUtil.GetRequestEnumerator(segmentInfo.RequestEnumerable);
bool shouldDispose = true;
try
{
WebUtil.CheckResourceExists(queryResults.MoveNext(), segmentInfo.Identifier);
CheckQueryResult(queryResults.Current, segmentInfo);
shouldDispose = false;
return queryResults;
}
finally
{
// Dispose the Enumerator in case of error
if (shouldDispose)
{
WebUtil.Dispose(queryResults);
}
}
}
/// <summary>
/// Initializes a new RequestDescription for a query specified by the
/// request Uri.
/// </summary>
/// <param name="segmentInfos">list containing information about each segment of the request uri</param>
/// <param name="containerName">Name of the container source.</param>
/// <param name="usesContainerName">Whether the container name should be used to name the result.</param>
/// <param name="mimeType">The MIME type for the requested resource, if specified.</param>
/// <param name="resultUri">URI to the results requested (with no query component).</param>
internal RequestDescription(
SegmentInfo[] segmentInfos,
string containerName,
bool usesContainerName,
string mimeType,
Uri resultUri)
{
Debug.Assert(segmentInfos != null && segmentInfos.Length != 0, "segmentInfos != null && segmentInfos.Length != 0");
Debug.Assert(resultUri != null, "resultUri != null");
Debug.Assert(resultUri.IsAbsoluteUri, "resultUri.IsAbsoluteUri(" + resultUri + ")");
this.segmentInfos = segmentInfos;
this.containerName = containerName;
this.usesContainerName = usesContainerName;
this.mimeType = mimeType;
this.resultUri = resultUri;
this.requireMinimumVersion = new Version(1, 0);
this.responseVersion = DataServiceDefaultResponseVersion;
this.maxFeatureVersion = new Version(1, 0);
}
internal static IDataServiceInvokable CreateInvokableFromSegment(SegmentInfo actionSegment)
{
return actionSegment.RequestEnumerable.OfType<IDataServiceInvokable>().Single<IDataServiceInvokable>();
}
internal static void ResolveActionResult(SegmentInfo actionSegment)
{
object result = CreateInvokableFromSegment(actionSegment).GetResult();
if (((result != null) && actionSegment.SingleResult) && !(result is IQueryable))
{
result = new object[] { result };
}
actionSegment.RequestEnumerable = (IEnumerable) result;
}
internal static bool IsServiceActionSegment(SegmentInfo segment)
{
return ((segment.Operation != null) && (segment.Operation.Kind == OperationKind.Action));
}
/// <summary>
/// Checks query result.
/// </summary>
/// <param name="result">Query result to be checked.</param>
/// <param name="segmentInfo">Segment details for the <paramref name="result"/>.</param>
internal static void CheckQueryResult(object result, SegmentInfo segmentInfo)
{
// e.g. /Customers(4) - if there is a direct reference to an entity, it should not be null.
// e.g. $value also must not be null, since you are dereferencing the values
// Any other case, having null is fine
if (segmentInfo.IsDirectReference && result == null)
{
throw DataServiceException.CreateResourceNotFound(segmentInfo.Identifier);
}
IEnumerable enumerable;
if (segmentInfo.TargetKind == RequestTargetKind.OpenProperty &&
WebUtil.IsElementIEnumerable(result, out enumerable))
{
throw DataServiceException.CreateSyntaxError(
Strings.InvalidUri_OpenPropertiesCannotBeCollection(segmentInfo.Identifier));
}
}
/// <summary>
/// Create a new request description from the given request description and new entity as the result.
/// </summary>
/// <param name="description">Existing request description.</param>
/// <param name="entity">entity that needs to be the result of the new request.</param>
/// <param name="container">container to which the entity belongs to.</param>
/// <returns>a new instance of request description containing information about the given entity.</returns>
internal static RequestDescription CreateSingleResultRequestDescription(
RequestDescription description, object entity, ResourceSetWrapper container)
{
// Create a new request description for the results that will be returned.
SegmentInfo segmentInfo = new SegmentInfo();
segmentInfo.RequestEnumerable = new object[] { entity };
segmentInfo.TargetKind = description.TargetKind;
segmentInfo.TargetSource = description.TargetSource;
segmentInfo.SingleResult = true;
segmentInfo.ProjectedProperty = description.Property;
segmentInfo.TargetResourceType = container != null ? container.ResourceType : null;
segmentInfo.TargetContainer = container;
segmentInfo.Identifier = description.LastSegmentInfo.Identifier;
#if DEBUG
segmentInfo.AssertValid();
#endif
SegmentInfo[] segmentInfos = description.SegmentInfos;
segmentInfos[segmentInfos.Length - 1] = segmentInfo;
RequestDescription resultDescription = new RequestDescription(
segmentInfos,
container != null ? container.Name : null,
description.UsesContainerName,
description.MimeType,
description.ResultUri);
resultDescription.requireMinimumVersion = description.RequireMinimumVersion;
resultDescription.responseVersion = description.ResponseVersion;
resultDescription.maxFeatureVersion = description.MaxFeatureVersion;
return resultDescription;
}
protected override object Deserialize(System.Data.Services.SegmentInfo segmentInfo)
{
return(base.Service.OperationContext.Host.RequestStream);
}
protected abstract object Read(System.Data.Services.SegmentInfo segmentInfo);
/// <summary>
/// Initializes a new RequestDescription for a query specified by the
/// request Uri.
/// </summary>
/// <param name="targetKind">The kind of target for the request.</param>
/// <param name="targetSource">The source for this target.</param>
/// <param name="resultUri">URI to the results requested (with no query component).</param>
internal RequestDescription(RequestTargetKind targetKind, RequestTargetSource targetSource, Uri resultUri)
{
WebUtil.DebugEnumIsDefined(targetKind);
Debug.Assert(resultUri != null, "resultUri != null");
Debug.Assert(resultUri.IsAbsoluteUri, "resultUri.IsAbsoluteUri(" + resultUri + ")");
SegmentInfo segment = new SegmentInfo();
segment.TargetKind = targetKind;
segment.TargetSource = targetSource;
segment.SingleResult = true;
this.segmentInfos = new SegmentInfo[] { segment };
this.resultUri = resultUri;
this.requireMinimumVersion = new Version(1, 0);
this.responseVersion = DataServiceDefaultResponseVersion;
this.maxFeatureVersion = new Version(1, 0);
}
private ODataEntry ReadEntry(ODataReader odataReader, System.Data.Services.SegmentInfo topLevelSegmentInfo)
{
ODataEntry entry = null;
Stack <ODataItem> stack = new Stack <ODataItem>();
while (odataReader.Read())
{
if (stack.Count >= 100)
{
throw DataServiceException.CreateDeepRecursion(100);
}
switch (odataReader.State)
{
case ODataReaderState.FeedStart:
{
ODataFeed feed2 = (ODataFeed)odataReader.Item;
feed2.SetAnnotation <ODataFeedAnnotation>(new ODataFeedAnnotation());
ODataNavigationLink link3 = (ODataNavigationLink)stack.Peek();
link3.GetAnnotation <ODataNavigationLinkAnnotation>().Add(feed2);
stack.Push(feed2);
break;
}
case ODataReaderState.FeedEnd:
stack.Pop();
break;
case ODataReaderState.EntryStart:
{
ODataEntry entry2 = (ODataEntry)odataReader.Item;
ODataEntryAnnotation annotation = null;
if (entry2 != null)
{
annotation = new ODataEntryAnnotation();
entry2.SetAnnotation <ODataEntryAnnotation>(annotation);
}
if (stack.Count == 0)
{
entry = entry2;
this.CreateEntityResource(topLevelSegmentInfo, entry2, annotation, true);
}
else
{
ODataItem item = stack.Peek();
ODataFeed feed = item as ODataFeed;
if (feed != null)
{
feed.GetAnnotation <ODataFeedAnnotation>().Add(entry2);
}
else
{
ODataNavigationLink link = (ODataNavigationLink)item;
link.GetAnnotation <ODataNavigationLinkAnnotation>().Add(entry2);
}
}
stack.Push(entry2);
break;
}
case ODataReaderState.EntryEnd:
stack.Pop();
break;
case ODataReaderState.NavigationLinkStart:
{
ODataNavigationLink link2 = (ODataNavigationLink)odataReader.Item;
link2.SetAnnotation <ODataNavigationLinkAnnotation>(new ODataNavigationLinkAnnotation());
ODataEntry entry3 = (ODataEntry)stack.Peek();
entry3.GetAnnotation <ODataEntryAnnotation>().Add(link2);
stack.Push(link2);
break;
}
case ODataReaderState.NavigationLinkEnd:
stack.Pop();
break;
case ODataReaderState.EntityReferenceLink:
{
ODataEntityReferenceLink link4 = (ODataEntityReferenceLink)odataReader.Item;
ODataNavigationLink link5 = (ODataNavigationLink)stack.Peek();
link5.GetAnnotation <ODataNavigationLinkAnnotation>().Add(link4);
break;
}
}
}
return(entry);
}