/// <summary>
/// Gets the existing values of the given primitive properties using the in-memory query evaluator
/// </summary>
/// <param name="set">The entity set</param>
/// <param name="propertyNames">The properties to get values for</param>
/// <returns>The values for the given properties as returned by the query evaluator</returns>
protected internal Dictionary <string, List <object> > GetExistingPrimitivePropertyValues(EntitySet set, IEnumerable <string> propertyNames)
{
// build a projection query to find the values for the key properties
var query = this.BuildRootQueryForSet(set).Select(o => LinqBuilder.New(propertyNames, propertyNames.Select(p => o.Property(p))));
// evaluate the projection
var collection = this.Evaluator.Evaluate(query) as QueryCollectionValue;
ExceptionUtilities.CheckObjectNotNull(collection, "Query did not return a collection: {0}", query);
ExceptionUtilities.Assert(collection.EvaluationError == null, "Query evaluation error: " + collection.EvaluationError);
var structuralValues = collection.Elements.Cast <QueryStructuralValue>();
var existingValues = propertyNames
.ToDictionary(p => p, p => structuralValues.Select(v => v.GetScalarValue(p).Value).ToList());
return(existingValues);
}
/// <summary>
/// Finds the structural value for the given serializable entity and updates it, or create it if it does not exist
/// </summary>
/// <param name="baseType">The base type of the entity's set</param>
/// <param name="entity">The entity to find and synchronize</param>
/// <param name="existingEntityGraph">The existing entities in the set, mapped by key</param>
/// <returns>The synchronized entity</returns>
private QueryStructuralValue FindAndSynchronizeEntity(QueryEntityType baseType, SerializableEntity entity, IDictionary <EntityDataKey, QueryStructuralValue> existingEntityGraph)
{
QueryStructuralValue alreadySynchronized;
if (this.synchronizationCache.TryGetValue(entity, out alreadySynchronized))
{
return(alreadySynchronized);
}
// if the type does not match, it must be a derived type
var type = baseType;
if (type.EntityType.FullName != entity.EntityType)
{
type = type.DerivedTypes.Cast <QueryEntityType>().SingleOrDefault(t => t.EntityType.FullName == entity.EntityType);
ExceptionUtilities.CheckObjectNotNull(type, "Could not find a type named '{0}'", entity.EntityType);
}
// compute the key for the entity
var key = this.GetEntityKey(type, entity);
QueryStructuralValue structural;
bool isNewInstance = !existingEntityGraph.TryGetValue(key, out structural);
// if we don't find it, create it
if (isNewInstance)
{
structural = type.CreateNewInstance();
InitMemberStreamTypes(type, structural);
}
this.synchronizationCache[entity] = structural;
this.SynchronizeProperties(baseType, entity, type, structural, existingEntityGraph);
this.SynchronizeStreams(entity, structural);
structural.MarkDynamicPropertyValues();
// if its a new instance, add it to the top-level collection
if (isNewInstance)
{
this.QueryDataSet[type.EntitySet.Name].Elements.Add(structural);
existingEntityGraph[this.GetEntityKey(structural)] = structural;
}
return(structural);
}
/// <summary>
/// Tries to get next data to upload.
/// </summary>
/// <param name="data">The data to upload.</param>
/// <returns>True if there is a data for upload, false otherwise.</returns>
public virtual bool TryPopulateNextData(out EntityContainerData data)
{
ExceptionUtilities.CheckObjectNotNull(this.StructuralDataServices, "StructuralGenerators cannot be null.");
this.CreateEntitySetAndTypeSelectorIfNull();
this.CreateRelationshipSelectorsIfNull();
if (this.seedData != null)
{
data = this.seedData;
this.seedData = null;
}
else
{
data = new EntityContainerData(this.EntityContainer);
}
int createdEntitiesCount = 0, createdAssociationsCount = 0;
this.CreateRelationships(data, ref createdEntitiesCount, ref createdAssociationsCount);
EntitySet entitySet;
EntityType entityType;
while (this.GetNextEntitySetAndTypeToCreate(out entitySet, out entityType))
{
EntitySetDataRow row = this.PopulateNewEntitySetRow(data, entitySet, entityType);
createdEntitiesCount++;
this.ConsiderCandidateForRelationships(row);
this.CreateRelationships(data, ref createdEntitiesCount, ref createdAssociationsCount);
if (createdEntitiesCount >= this.ThresholdForNumberOfEntities && this.ThresholdForNumberOfEntities != -1)
{
break;
}
}
if (this.ReferentialConstraintsResolver != null)
{
this.ReferentialConstraintsResolver.ResolveReferentialConstraints(data);
}
return(createdEntitiesCount > 0 || createdAssociationsCount > 0);
}
private void BuildStructuralPropertiesQueryValue(QueryStructuralValue instance, string propertyPath, IList <MemberProperty> properties, IList <QueryProperty> queryProperties, EntitySetDataRow row)
{
ExceptionUtilities.Assert(properties.Count == queryProperties.Count, "QueryProperties '{0}' and MemberProperties '{1}' are not the same number!", CreateQueryPropertyList(queryProperties), CreateMemberPropertyList(properties));
// TODO: Some Taupo framework pieces skip over StreamDataType properties
foreach (MemberProperty childProperty in properties.Where(p => !(p.PropertyType is StreamDataType)))
{
string childPropertyPath = propertyPath + childProperty.Name;
List <QueryProperty> childQueryProperties = queryProperties.Where(p => p.Name == childProperty.Name).ToList();
ExceptionUtilities.Assert(childQueryProperties.Count == 1, "Could not find query property based on MemberProperty Name '{0}' in list of query properties '{1}'", childProperty.Name, CreateQueryPropertyList(childQueryProperties));
QueryProperty childQueryProperty = childQueryProperties.First();
QueryCollectionType childCollectionDataType = childQueryProperty.PropertyType as QueryCollectionType;
QueryScalarType childScalarType = childQueryProperty.PropertyType as QueryScalarType;
QueryComplexType childComplexType = childQueryProperty.PropertyType as QueryComplexType;
if (childCollectionDataType != null)
{
instance.SetValue(childProperty.Name, this.BuildCollectionQueryValue(childPropertyPath + ".", childCollectionDataType, row));
}
else if (childScalarType != null)
{
var value = row[childPropertyPath];
var queryValue = childScalarType.CreateValue(value);
instance.SetValue(childQueryProperty.Name, queryValue);
}
else
{
ExceptionUtilities.CheckObjectNotNull(childComplexType, "Unknown type '{0}'", childProperty.PropertyType);
// If a complex type instance is null in the datarow, we will create a QueryStructuralValue indicating null and set it on the instance.
if (row.PropertyPaths.Contains(childPropertyPath) && row[childPropertyPath] == null)
{
instance.SetValue(childProperty.Name, new QueryStructuralValue(childComplexType, true, null, childComplexType.EvaluationStrategy));
}
else
{
QueryStructuralValue childInstance = childComplexType.CreateNewInstance();
this.BuildStructuralPropertiesQueryValue(childInstance, childPropertyPath + ".", childComplexType.ComplexType.Properties, childComplexType.Properties, row);
instance.SetValue(childProperty.Name, childInstance);
}
}
}
}
/// <summary>
/// Applies EPM mapping to the specified entity type on the model and returns it for composablity.
/// </summary>
/// <param name="model">Model to use</param>
/// <param name="entityTypeName">Entity type name</param>
/// <param name="sourcePath">Source path</param>
/// <param name="targetSyndicationItem">TargetSyndicationItem to use</param>
/// <param name="targetTextContentKind">TargetTextContentKind to use</param>
/// <param name="keepInContent">true to keep the mapped value in content; otherwise false (defaults to true).</param>
/// <returns>Enity Model Schema with the mapping applied</returns>
public static EntityModelSchema EntityPropertyMapping(
this EntityModelSchema model,
string entityTypeName,
string sourcePath,
SyndicationItemProperty targetSyndicationItem = SyndicationItemProperty.AuthorName,
SyndicationTextContentKind targetTextContentKind = SyndicationTextContentKind.Plaintext,
bool keepInContent = true)
{
ExceptionUtilities.CheckArgumentNotNull(model, "model");
ExceptionUtilities.CheckArgumentNotNull(entityTypeName, "entityTypeName");
ExceptionUtilities.CheckArgumentNotNull(sourcePath, "sourcePath");
var entityType = model.GetEntityType(entityTypeName);
ExceptionUtilities.CheckObjectNotNull(entityType, "There are no entity types matching the name:{0} in the model", entityTypeName);
entityType.EntityPropertyMapping(sourcePath, targetSyndicationItem, targetTextContentKind, keepInContent);
return(model);
}
/// <summary>
/// Serializes the given root element to a binary representation
/// </summary>
/// <param name="rootElement">The root element, must be a primitive value with either a null or binary value</param>
/// <param name="encodingName">Optional name of an encoding to use if it is relevant to the current format. May be null if no character-set information was known.</param>
/// <returns>The serialized value</returns>
public override byte[] SerializeToBinary(ODataPayloadElement rootElement, string encodingName)
{
ExceptionUtilities.CheckArgumentNotNull(rootElement, "rootElement");
ExceptionUtilities.Assert(rootElement.ElementType == ODataPayloadElementType.PrimitiveValue, "Only primitive values can be serialized as raw values. Type was: {0}", rootElement.ElementType);
var value = (rootElement as PrimitiveValue).ClrValue;
if (value == null)
{
return(new byte[0]);
}
var binary = value as byte[];
ExceptionUtilities.CheckObjectNotNull(binary, "Payload element was not a binary value");
return(binary);
}
/// <summary>
/// Verifies the update succeeded
/// </summary>
/// <param name="request">The request to verify</param>
/// <param name="response">The response to verify</param>
public override void Verify(ODataRequest request, ODataResponse response)
{
var functionSegment = request.Uri.LastSegment as FunctionSegment;
ExceptionUtilities.CheckObjectNotNull(functionSegment, "Expected a Uri with a FunctionSegment at the end");
ExceptionUtilities.CheckObjectNotNull(functionSegment.Function, "Expected a FunctionSegment to have a valid Function");
ExceptionUtilities.Assert(functionSegment.Function.IsAction(), "Expected a FunctionSegment that is an action");
var dataServiceMemberGeneratorAnnotation = functionSegment.Function.Annotations.OfType <DataServiceMemberGeneratorAnnotation>().SingleOrDefault();
var verifyServiceQueryResult = dataServiceMemberGeneratorAnnotation as IVerifyServiceActionQueryResult;
var throwErrorAnnotation = functionSegment.Function.Annotations.OfType <ThrowDataServiceExceptionAnnotation>().SingleOrDefault();
// TODO: add verification of the thrown error case, will add later
if (throwErrorAnnotation == null && verifyServiceQueryResult != null)
{
this.VerifyQueryResult(request, response, functionSegment, verifyServiceQueryResult);
}
}
/// <summary>
/// Converts the given segment into a string
/// </summary>
/// <param name="segment">The segment to convert</param>
/// <returns>The converted segment string</returns>
public string ConvertToString(EntitySetSegment segment)
{
ExceptionUtilities.CheckArgumentNotNull(segment, "segment");
ExceptionUtilities.CheckObjectNotNull(segment.EntitySet != null || segment.EdmEntitySet != null, "Segment's entity set was unexpectedly null");
if (segment.EntitySet != null)
{
ExceptionUtilities.CheckObjectNotNull(segment.EntitySet.Container, "Segment's entity set's container was unexpectedly null");
return(this.EscapeUriString(segment.EntitySet.Name));
}
else
{
ExceptionUtilities.CheckObjectNotNull(segment.EdmEntitySet.Container, "Segment's entity set's container was unexpectedly null");
return(this.EscapeUriString(segment.EdmEntitySet.Container.Name + '.' + segment.EdmEntitySet.Name));
}
}
private QueryValue SynchronizeAndEvaluate(ODataUri entityUri, QueryStructuralValue beforeSync, bool synchronizeEntireSet)
{
var entityType = beforeSync.Type as QueryEntityType;
ExceptionUtilities.CheckObjectNotNull(entityType, "Structural value was not an entity type");
// if an entity was deleted, synchronize the entire set. Otherwise just synchronize the entity
if (synchronizeEntireSet)
{
SyncHelpers.ExecuteActionAndWait(c => this.Synchronizer.SynchronizeEntireEntitySet(c, entityType.EntitySet.Name));
}
else
{
SyncHelpers.ExecuteActionAndWait(c => this.Synchronizer.SynchronizeEntity(c, beforeSync));
}
return(this.Evaluator.Evaluate(entityUri, false, false));
}
private ChangeData CreateChangeData(DescriptorData descriptorData, IDictionary <object, IEnumerable <NamedValue> > propertyValuesBeforeSave)
{
var entityDescriptorData = descriptorData as EntityDescriptorData;
if (entityDescriptorData != null)
{
IEnumerable <NamedValue> propertyValues;
ExceptionUtilities.Assert(propertyValuesBeforeSave.TryGetValue(entityDescriptorData.Entity, out propertyValues), "Could not find property values for descriptor: {0}", entityDescriptorData);
return(EntityChangeData.Create(entityDescriptorData, propertyValues));
}
var linkDescriptorData = descriptorData as LinkDescriptorData;
ExceptionUtilities.CheckObjectNotNull(linkDescriptorData, "Descriptor was neither an entity nor a link");
return(LinkChangeData.Create(linkDescriptorData));
}
/// <summary>
/// Gets the method handle for a method with a given generic signature.
/// </summary>
/// <param name="type">The type (definition in case of generics).</param>
/// <param name="signature">The signature of the method.</param>
/// <returns>Method info.</returns>
public static MethodInfo GetMethodInfo(Type type, string signature)
{
ExceptionUtilities.CheckObjectNotNull(PlatformMethodMap, "Platform method map was not initialized");
if (PlatformMethodMap.ContainsKey(signature))
{
signature = PlatformMethodMap[signature];
}
foreach (var method in type.GetMethods())
{
if (MethodMatches(signature, method))
{
return(method);
}
}
throw new TaupoInvalidOperationException("Could not find method matching signature: '" + signature + "'.");
}
/// <summary>
/// Converts specified data generation hint into Xml.
/// </summary>
/// <param name="hint">The data generation hint to convert.</param>
/// <returns>Xml representation of the data generation hint.</returns>
public static XElement ToXml(DataGenerationHint hint)
{
Type hintType = hint.GetType();
string key = GetHintKey(hintType);
if (hint is SingletonDataGenerationHint)
{
return(new XElement(key));
}
PropertyInfo valuePropertyInfo = hintType.GetProperty("Value");
ExceptionUtilities.CheckObjectNotNull(valuePropertyInfo, "Unsupported data generation hint type: '{0}'.", hintType.FullName);
object value = valuePropertyInfo.GetValue(hint, null);
return(new XElement(key, new XAttribute(ValueAttributeName, value)));
}
private void GetUpdatedEntityBeforeAndAfter(ODataRequest request, ODataResponse response, out QueryStructuralValue beforeUpdate, out QueryStructuralValue afterUpdate)
{
using (this.Context.Begin(request))
{
if (request.GetEffectiveVerb() == HttpVerb.Post)
{
afterUpdate = this.Context.GetInsertedEntity(request, response);
ExceptionUtilities.CheckObjectNotNull(afterUpdate, "Structural value returned by GetInsertedEntity unexpectedly null");
beforeUpdate = afterUpdate.Type.NullValue;
}
else
{
this.Context.GetUpdatedEntity(request, out beforeUpdate, out afterUpdate);
ExceptionUtilities.CheckObjectNotNull(beforeUpdate, "Before-update structural value returned by GetUpdatedEntity unexpectedly null");
ExceptionUtilities.CheckObjectNotNull(afterUpdate, "After-update structural value returned by GetUpdatedEntity unexpectedly null");
}
}
}
/// <summary>
/// Gets the entity inserted by the given request.
/// </summary>
/// <param name="request">The request</param>
/// <param name="response">The response</param>
/// <returns>The inserted entity</returns>
public QueryStructuralValue GetInsertedEntity(ODataRequest request, ODataResponse response)
{
ExceptionUtilities.CheckArgumentNotNull(request, "request");
ExceptionUtilities.CheckArgumentNotNull(response, "response");
ExceptionUtilities.Assert(this.requestsBegun.Contains(request), "Cannot use GetInsertedEntity before calling Begin");
ExceptionUtilities.Assert(request.GetEffectiveVerb() == HttpVerb.Post, "Cannot use GetInsertedEntity on non POST requests");
QueryStructuralValue insertedEntity;
if (!this.insertedEntityCache.TryGetValue(request, out insertedEntity))
{
EntitySet entitySet;
ExceptionUtilities.Assert(request.Uri.TryGetExpectedEntitySet(out entitySet), "Could not infer entity set from URI");
var entitySetUri = new ODataUri(new EntitySetSegment(entitySet));
var beforeSync = this.Evaluator.Evaluate(entitySetUri, false, false) as QueryCollectionValue;
ExceptionUtilities.CheckObjectNotNull(beforeSync, "Could not evaluate entity set '{0}' before syncing", entitySet.Name);
// create a shallow copy
beforeSync = beforeSync.Type.CreateCollectionWithValues(beforeSync.Elements);
SyncHelpers.ExecuteActionAndWait(c => this.Synchronizer.SynchronizeEntireEntitySet(c, entitySet.Name));
var afterSync = this.Evaluator.Evaluate(entitySetUri, false, false) as QueryCollectionValue;
ExceptionUtilities.CheckObjectNotNull(afterSync, "Could not evaluate entity set '{0}' after syncing", entitySet.Name);
// TODO: handle deep insert (using location header or response payload)
var newElements = afterSync.Elements.Except(beforeSync.Elements).OfType <QueryStructuralValue>().ToList();
this.insertedEntityCache[request] = insertedEntity = newElements.Single();
// update the parent entity, if there is one
var segments = request.Uri.Segments;
var lastNavigationSegment = segments.OfType <NavigationSegment>().LastOrDefault();
if (lastNavigationSegment != null)
{
var segmentsBeforeNavigation = segments.TakeWhile(t => t != lastNavigationSegment);
var parentEntity = (QueryStructuralValue)this.Evaluator.Evaluate(new ODataUri(segmentsBeforeNavigation), false, false);
SyncHelpers.ExecuteActionAndWait(c => this.Synchronizer.SynchronizeEntity(c, parentEntity));
}
}
return(insertedEntity);
}
private void VerifyDescriptor(DescriptorData expected, Descriptor actual, int responseOrder)
{
EntityDescriptorData entityDescriptorData = expected as EntityDescriptorData;
LinkDescriptorData linkDescriptorData = expected as LinkDescriptorData;
StreamDescriptorData streamDescriptorData = expected as StreamDescriptorData;
if (entityDescriptorData != null)
{
EntityDescriptor entityDescriptor = actual as EntityDescriptor;
this.Assert.IsNotNull(entityDescriptor, GetVerificationFailureMessage(responseOrder, "Unexpected descriptor type:\r\nExpected: {0}\r\nActual: {1}\r\nExpected descriptor data: {2}.", typeof(EntityDescriptor).Name, actual.GetType().Name, entityDescriptorData));
this.Assert.AreSame(
entityDescriptorData.Entity,
entityDescriptor.Entity,
GetVerificationFailureMessage(responseOrder, "Entity verification failed for the entity descriptor data: {0}.", expected));
}
else if (linkDescriptorData != null)
{
LinkDescriptor linkDescriptor = actual as LinkDescriptor;
this.Assert.IsNotNull(linkDescriptor, GetVerificationFailureMessage(responseOrder, "Unexpected descriptor type:\r\nExpected: {0}\r\nActual: {1}\r\nExpected descriptor data: {2}.", typeof(LinkDescriptor).Name, actual.GetType().Name, linkDescriptorData));
bool notMatch = linkDescriptorData.SourceDescriptor.Entity != linkDescriptor.Source ||
(linkDescriptorData.TargetDescriptor == null && linkDescriptor.Target != null) ||
(linkDescriptorData.TargetDescriptor != null && linkDescriptorData.TargetDescriptor.Entity != linkDescriptor.Target) ||
linkDescriptorData.SourcePropertyName != linkDescriptor.SourceProperty;
this.Assert.IsFalse(notMatch, GetVerificationFailureMessage(responseOrder, "Link verification failed.\r\nExpected: {0}\r\nActual: {1}", linkDescriptorData, linkDescriptor.ToTraceString()));
}
else
{
ExceptionUtilities.CheckObjectNotNull(streamDescriptorData, "Expected was not an entity, link, or stream descriptor: {0}", expected);
StreamDescriptor streamDescriptor = actual as StreamDescriptor;
this.Assert.IsNotNull(streamDescriptor, GetVerificationFailureMessage(responseOrder, "Unexpected descriptor type:\r\nExpected: {0}\r\nActual: {1}\r\nExpected descriptor data: {2}.", typeof(StreamDescriptor).Name, actual.GetType().Name, streamDescriptorData));
this.Assert.AreEqual(streamDescriptorData.State.ToProductEnum(), streamDescriptor.State, GetVerificationFailureMessage(responseOrder, "Stream descriptor state verification failed."));
this.Assert.AreEqual(streamDescriptorData.Name, streamDescriptor.StreamLink.Name, GetVerificationFailureMessage(responseOrder, "Stream descriptor name verification failed."));
this.Assert.AreEqual(streamDescriptorData.ETag, streamDescriptor.StreamLink.ETag, GetVerificationFailureMessage(responseOrder, "Stream descriptor etag verification failed."));
this.Assert.AreEqual(streamDescriptorData.ContentType, streamDescriptor.StreamLink.ContentType, GetVerificationFailureMessage(responseOrder, "Stream descriptor content type verification failed."));
this.Assert.AreEqual(streamDescriptorData.EditLink, streamDescriptor.StreamLink.EditLink, GetVerificationFailureMessage(responseOrder, "Stream descriptor edit link verification failed."));
this.Assert.AreEqual(streamDescriptorData.SelfLink, streamDescriptor.StreamLink.SelfLink, GetVerificationFailureMessage(responseOrder, "Stream descriptor self link verification failed."));
}
}
private void SetDataFromPropertyInfo(object item, PropertyInfo propertyInfo, MemberProperty memberProperty, string currentPath)
{
object propertyValue = propertyInfo.GetValue(item, null);
if (memberProperty.PropertyType is PrimitiveDataType || memberProperty.PropertyType is EnumDataType)
{
this[currentPath + memberProperty.Name] = propertyValue;
}
else if (memberProperty.PropertyType is ComplexDataType)
{
this.ImportFrom(propertyValue, currentPath + memberProperty.Name, (memberProperty.PropertyType as ComplexDataType).Definition);
}
else
{
var collectionDataType = memberProperty.PropertyType as CollectionDataType;
ExceptionUtilities.Assert(collectionDataType != null, "Only properties with primitive, complex, or collection of primitive and complex data types are supported. Property: '{0}', type: '{1}'.", memberProperty.Name, memberProperty.PropertyType);
var primitiveElementDataType = collectionDataType.ElementDataType as PrimitiveDataType;
var complexElementDataType = collectionDataType.ElementDataType as ComplexDataType;
ExceptionUtilities.CheckObjectNotNull(propertyValue, "Collection Property MUST not be Null at PropertyPath '{0}'", currentPath + memberProperty.Name);
var enumerableItem = propertyValue as IEnumerable;
ExceptionUtilities.CheckObjectNotNull(enumerableItem, "propertyValue should be IEnumerable but is not, its type is '{0};", propertyValue.GetType().Name);
if (primitiveElementDataType != null)
{
int i = 0;
foreach (object o in enumerableItem)
{
this[currentPath + memberProperty.Name + "." + i] = o;
i++;
}
}
else
{
ExceptionUtilities.Assert(complexElementDataType != null, "ElementType {0} of CollectionType Property is not supported", collectionDataType.ElementDataType);
int i = 0;
foreach (object o in enumerableItem)
{
this.ImportFrom(o, currentPath + memberProperty.Name + "." + i, complexElementDataType.Definition);
i++;
}
}
}
}
/// <summary>
/// Evaluates member property of a spatial instance.
/// </summary>
/// <param name="instance">The instance of query value object</param>
/// <param name="resultType">The property result type.</param>
/// <param name="memberPropertyName">The member property name to evaluate.</param>
/// <returns>
/// Query value which is the result of method evaluation.
/// </returns>
public override QueryValue EvaluateMemberProperty(QueryValue instance, QueryType resultType, string memberPropertyName)
{
if (this.IsSpatialType((IQueryClrType)instance.Type))
{
var clrInstance = ((QueryScalarValue)instance).Value;
if (clrInstance == null)
{
var nullValue = resultType.NullValue;
nullValue.EvaluationError = new QueryError("Cannot access member property on a null instance");
return(nullValue);
}
var clrType = clrInstance.GetType();
while (!clrType.IsPublic())
{
clrType = clrType.GetBaseType();
}
var property = clrType.GetProperty(memberPropertyName, true, false);
ExceptionUtilities.CheckObjectNotNull(property, "Could not find property");
var propertyValue = property.GetValue(clrInstance, null);
if (propertyValue == null)
{
return(resultType.NullValue);
}
var collectionType = resultType as QueryCollectionType;
if (collectionType != null)
{
var enumerable = propertyValue as IEnumerable;
ExceptionUtilities.CheckObjectNotNull(enumerable, "Collection value must be ienumerable. Value was '{0}'", propertyValue);
var elementType = (QueryScalarType)collectionType.ElementType;
return(collectionType.CreateCollectionWithValues(enumerable.Cast <object>().Select(o => (QueryValue)elementType.CreateValue(o))));
}
else
{
return(((QueryScalarType)resultType).CreateValue(propertyValue));
}
}
return(base.EvaluateMemberProperty(instance, resultType, memberPropertyName));
}
private void ProcessEntityAndGenerateStreams(QueryStructuralValue queryStructuralValue, IAsyncContinuation continuation, HttpWebResponse response)
{
ExceptionUtilities.Assert(response.StatusCode == HttpStatusCode.OK, "Error generating stream data, response code incorrect:" + response.StatusCode.ToString());
var responseValue = new StreamReader(response.GetResponseStream()).ReadToEnd();
try
{
var existingEntityInXML = XElement.Parse(responseValue);
var feedInstance = this.XmlToPayloadConverter.ConvertToPayloadElement(existingEntityInXML) as EntitySetInstance;
ExceptionUtilities.CheckObjectNotNull(feedInstance, "Error generating stream data, cannot deserialize response:" + existingEntityInXML);
var type = queryStructuralValue.Type as QueryEntityType;
ExceptionUtilities.CheckObjectNotNull(type, "Type was not an entity type. Type was {0}", type.StringRepresentation);
Func <AstoriaQueryStreamValue, bool> valueFilter = v => v.IsNull || v.Value.Length == 0;
Func <QueryProperty, bool> propertyFilter = p => p.IsStream() && valueFilter(queryStructuralValue.GetStreamValue(p.Name));
var streamPropertiesToUpdate = type.Properties.Where(propertyFilter).ToList();
if (feedInstance.Count != 0)
{
var entityInstance = feedInstance.SingleOrDefault();
ExceptionUtilities.CheckObjectNotNull(entityInstance, "Payload did not contain a single entity instance");
var baseAddressAnnotation = feedInstance.Annotations.OfType <XmlBaseAnnotation>().SingleOrDefault();
foreach (var streamProperty in streamPropertiesToUpdate)
{
var streamPropertyType = streamProperty.PropertyType as AstoriaQueryStreamType;
ExceptionUtilities.CheckObjectNotNull(streamPropertyType, "PropertyType is not an AstoriaQueryStreamType!", streamProperty.PropertyType);
var streamData = this.GenerateStreamData(entityInstance, baseAddressAnnotation, streamProperty);
this.streamsToUpdate.Add(streamData);
}
}
continuation.Continue();
}
catch (XmlException)
{
this.Logger.WriteLine(LogLevel.Error, "Error in Xml payload:" + responseValue);
throw;
}
}
private TestCase InvokeMatrixCombinationCallback(Type type, TestCase testCase, TestCaseAttribute attribute)
{
var callbackAttr = (TestMatrixCombinationCallbackAttribute)type.GetCustomAttributes(typeof(TestMatrixCombinationCallbackAttribute), false).SingleOrDefault();
if (callbackAttr != null)
{
var callbackMethod = type.GetMethod(callbackAttr.CallbackMethodName, true, true);
ExceptionUtilities.CheckObjectNotNull(callbackMethod, "Could not find static method '{0}' on type '{1}'", callbackAttr.CallbackMethodName, type);
ExceptionUtilities.Assert(typeof(TestCase).IsAssignableFrom(callbackMethod.ReturnType), "Matrix combination callback '{0}' returns unexpected type '{1}'", callbackMethod.Name, callbackMethod.ReturnType);
var arguments = new object[attribute.Parameters.Length + 1];
arguments[0] = testCase;
Array.Copy(attribute.Parameters, 0, arguments, 1, attribute.Parameters.Length);
testCase = (TestCase)callbackMethod.Invoke(null, arguments);
}
return(testCase);
}
private VariationTestItem InvokeMatrixCombinationCallback(MethodInfo method, VariationTestItem variation, VariationAttribute attribute)
{
var callbackAttr = (TestMatrixCombinationCallbackAttribute)method.GetCustomAttributes(typeof(TestMatrixCombinationCallbackAttribute), false).SingleOrDefault();
if (callbackAttr != null)
{
var callbackMethod = this.GetType().GetMethod(callbackAttr.CallbackMethodName, true, false);
ExceptionUtilities.CheckObjectNotNull(callbackMethod, "Could not find instance method '{0}' on type '{1}'", callbackAttr.CallbackMethodName, this.GetType());
ExceptionUtilities.Assert(typeof(VariationTestItem).IsAssignableFrom(callbackMethod.ReturnType), "Matrix combination callback '{0}' returns unexpected type '{1}'", callbackMethod.Name, callbackMethod.ReturnType);
var arguments = new object[attribute.Parameters.Length + 1];
arguments[0] = variation;
Array.Copy(attribute.Parameters, 0, arguments, 1, attribute.Parameters.Length);
variation = (VariationTestItem)callbackMethod.Invoke(this, arguments);
}
return(variation);
}
/// <summary>
/// Gets the type for a given name of the type.
/// </summary>
/// <param name="typeName">Name of the type.</param>
/// <param name="assemblyName">Name of the assembly.</param>
/// <returns>The requested type.</returns>
public static Type GetTypeFromAssembly(string typeName, string assemblyName)
{
Type type = null;
foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
{
if (assembly.FullName.Substring(0, assembly.FullName.IndexOf(",", StringComparison.Ordinal)) == assemblyName)
{
type = assembly.GetType(typeName);
if (type != null)
{
break;
}
}
}
ExceptionUtilities.CheckObjectNotNull(type, "Type {0} not found", typeName);
return(type);
}
/// <summary>
/// Uses the given target type to invoke the appropriate deserialize method
/// Throws if the given type is not valid
/// </summary>
/// <param name="value">The wire representation of a primitive value</param>
/// <param name="targetType">The type to deserialize into</param>
/// <returns>A clr instance of the primitive value</returns>
public virtual object DeserializePrimitive(TWire value, Type targetType)
{
ExceptionUtilities.CheckArgumentNotNull(targetType, "targetType");
bool nullableType = false;
// if its nullable, just get the generic argument
if (targetType.IsGenericType() &&
targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
nullableType = true;
targetType = Nullable.GetUnderlyingType(targetType);
}
if ((nullableType || !targetType.IsValueType()) && this.ValueIsNull(value, targetType))
{
return(null);
}
// find a method with the right return type and a single parameter of type TWire
MethodInfo method = typeof(PrimitiveConverter <TWire>).GetMethods()
.SingleOrDefault(m => m.ReturnType == targetType &&
m.Name.StartsWith("Deserialize", StringComparison.Ordinal) &&
m.GetParameters().Count(p => p.ParameterType == typeof(TWire)) == 1);
ExceptionUtilities.CheckObjectNotNull(method, "Cannot deserialize into target type '{0}'", targetType.FullName);
// invoke the method
object result = method.Invoke(this, new object[] { value });
// ensure its of the right type before returning it
ExceptionUtilities.Assert(targetType.IsInstanceOfType(result), "Result of deserialization was not of expected type");
if (nullableType)
{
Type nullable = typeof(Nullable <>).MakeGenericType(targetType);
ConstructorInfo constructor = nullable.GetInstanceConstructor(true, new Type[] { targetType });
ExceptionUtilities.CheckObjectNotNull(constructor, "Cannot find constructor for Nullable<> with type argument: " + targetType.FullName);
result = constructor.Invoke(new object[] { result });
}
return(result);
}
protected override void VisitResponseOperation(HttpResponseData operation)
{
var responseOperation = operation as ODataResponse;
ExceptionUtilities.CheckObjectNotNull(responseOperation, "Operation must be a response");
ODataPayloadElement rootElement = null;
string contentType = null;
if (responseOperation.RootElement != null)
{
rootElement = responseOperation.RootElement;
contentType = responseOperation.GetHeaderValueIfExists(Microsoft.OData.ODataConstants.ContentTypeHeader);
}
if (rootElement != null)
{
this.resolver.ResolveMetadata(rootElement, this.BuildODataUri(rootElement));
this.selector.GetNormalizer(contentType);
}
}
private IEdmVocabularyAnnotatable ConvertToStockVocabularyAnnotatable(IEdmElement edmAnnotatable, EdmModel stockModel)
{
// TODO: Need to provide a better way to get more details on IEdmVocabularyAnnotation.Target.
IEdmVocabularyAnnotatable stockAnnotatable = null;
if (edmAnnotatable is IEdmEntityType)
{
var edmEntityType = edmAnnotatable as IEdmEntityType;
stockAnnotatable = stockModel.FindType(edmEntityType.FullName()) as IEdmVocabularyAnnotatable;
ExceptionUtilities.CheckObjectNotNull(stockAnnotatable, "The FindType method must be successful.");
}
else if (edmAnnotatable is IEdmProperty)
{
var edmProperty = edmAnnotatable as IEdmProperty;
if (edmProperty.DeclaringType is IEdmSchemaElement)
{
var stockSchemaElement = stockModel.FindType(((IEdmSchemaElement)edmProperty.DeclaringType).FullName());
ExceptionUtilities.CheckObjectNotNull(stockAnnotatable, "The FindType method must be successful.");
stockAnnotatable = ((IEdmStructuredType)stockSchemaElement).FindProperty(edmProperty.Name);
}
else
{
throw new NotImplementedException();
}
}
else if (edmAnnotatable is IEdmEntitySet)
{
var edmEntitySet = edmAnnotatable as IEdmEntitySet;
// TODO: No backpointer to the Entity Container from EntitySet in the API. Is this OK?
stockAnnotatable = stockModel.EntityContainer.EntitySets().Single(m => m.Name == edmEntitySet.Name);
}
else if (edmAnnotatable is IEdmEnumType)
{
var edmEnumType = edmAnnotatable as IEdmEnumType;
stockAnnotatable = stockModel.FindType(edmEnumType.FullName());
}
else
{
throw new NotImplementedException();
}
return(stockAnnotatable);
}
internal void UpdateValues(QueryCollectionValue queryCollectionValue, IEnumerable <NamedValue> namedValues)
{
ExceptionUtilities.CheckArgumentNotNull(queryCollectionValue, "queryCollectionValue");
ExceptionUtilities.CheckArgumentNotNull(namedValues, "namedValues");
var primitiveElementDataType = queryCollectionValue.Type.ElementType as QueryClrPrimitiveType;
if (primitiveElementDataType != null)
{
this.UpdateRootScalarBag(queryCollectionValue, namedValues, primitiveElementDataType);
}
else
{
var complexElementDataType = queryCollectionValue.Type.ElementType as QueryComplexType;
ExceptionUtilities.CheckObjectNotNull(complexElementDataType, "Expected QueryComplex Type, actual query type {0}", queryCollectionValue.Type);
this.UpdateRootComplexBag(queryCollectionValue, namedValues, complexElementDataType);
}
}
/// <summary>
/// Deserializes an edmx response payload into a metadata payload representation
/// </summary>
/// <param name="edmxElement">The root of the edmx document</param>
/// <returns>The metadata payload representation</returns>
private MetadataPayloadElement DeserializeMetadata(XElement edmxElement)
{
ExceptionUtilities.CheckArgumentNotNull(edmxElement, "edmxElement");
ExceptionUtilities.Assert(edmxElement.Name.LocalName == EdmxElementName, "Deserialize metadata must be called on the 'edmx' element");
var edmxNamespace = edmxElement.Name.Namespace;
// Find Version attribute on metadataElement
XAttribute versionAttribute = edmxElement.Attribute("Version");
ExceptionUtilities.CheckObjectNotNull(versionAttribute, "Could not find 'Version' attribute");
string edmxVersion = versionAttribute.Value;
// Find dataservice element
XElement dataServicesElement = edmxElement.Element(edmxNamespace.GetName("DataServices"));
ExceptionUtilities.CheckObjectNotNull(dataServicesElement, "Could not find 'DataServices' element");
MetadataPayloadElement metadataPayload = new MetadataPayloadElement()
{
EdmxVersion = edmxVersion,
};
AddXmlBaseAnnotation(metadataPayload, edmxElement);
XElement[] schemaElements = dataServicesElement.Elements().Where(e => e.Name.LocalName == "Schema").ToArray();
ExceptionUtilities.CheckObjectNotNull(this.CsdlParser, "Cannot deserialize metadata without a CSDL parser.");
var model = this.CsdlParser.Parse(schemaElements);
metadataPayload.EntityModelSchema = model;
foreach (XElement schemaElement in schemaElements)
{
string edmNamespace = schemaElement.Name.NamespaceName;
string schemaNamespace = schemaElement.Attributes().Where(a => a.Name.LocalName == "Namespace").Single().Value;
model.Annotations.Add(new SchemaNamespaceAnnotation()
{
EdmNamespaceVersion = edmNamespace, SchemaNamespace = schemaNamespace
});
}
return(metadataPayload);
}
/// <summary>
/// Transforms the original payload by changing xml namespace prefixes.
/// </summary>
/// <param name="originalPayload">Original payload.</param>
/// <param name="transformedPayload">Transformed payload.</param>
/// <returns>True if the payload is transformed else returns false.</returns>
public bool TryTransform(XElement originalPayload, out XElement transformedPayload)
{
ExceptionUtilities.CheckObjectNotNull(originalPayload, "Payload cannot be null.");
transformedPayload = new XElement(originalPayload);
IEnumerable <XNode> nodes = transformedPayload.DescendantNodesAndSelf();
List <XAttribute> newAttributes = new List <XAttribute>();
XAttribute modifiedAttribute = null;
XElement childNode;
foreach (XNode node in nodes)
{
childNode = node as XElement;
if (childNode != null)
{
newAttributes = new List <XAttribute>();
foreach (XAttribute attribute in childNode.Attributes())
{
if (attribute.IsNamespaceDeclaration && !string.IsNullOrEmpty(attribute.Value) && attribute.Value != transformedPayload.GetDefaultNamespace().NamespaceName)
{
modifiedAttribute = new XAttribute(this.ChangeNamespacePrefix(attribute.Name), attribute.Value);
newAttributes.Add(modifiedAttribute);
}
else
{
newAttributes.Add(attribute);
}
}
childNode.ReplaceAttributes(newAttributes);
}
}
if (modifiedAttribute != null)
{
return(true);
}
transformedPayload = null;
return(false);
}
/// <summary>
/// Imports association data row from an object.
/// </summary>
/// <param name="item">The item structurally representing association data row. Usually anonymous object.</param>
/// <example>new { Product = 1; Category = 5 }</example>
internal void ImportFrom(object item)
{
ExceptionUtilities.CheckObjectNotNull(item, "Cannot import row from null object.");
foreach (PropertyInfo propertyInfo in item.GetType().GetProperties())
{
string roleName = propertyInfo.Name;
object value = propertyInfo.GetValue(item, null);
var key = value as EntityDataKey;
if (key != null)
{
this.SetRoleKey(roleName, key);
}
else
{
this.ImportRoleKey(roleName, value);
}
}
}
private void VerifyTypeNameForInsert(ODataRequest request, ODataResponse response, QueryStructuralValue inserted)
{
var entityInstance = request.Body.RootElement as EntityInstance;
ExceptionUtilities.CheckObjectNotNull(entityInstance, "Cannot get expected type name because request payload was not an entity instance. It was: '{0}'", request.Body.RootElement.ElementType);
string expectedTypeName = request.Uri.Segments.OfType <EntityTypeSegment>().Select(t => t.EntityType.FullName).LastOrDefault();
if (entityInstance.FullTypeName != null)
{
expectedTypeName = entityInstance.FullTypeName;
}
var entityType = inserted.Type as QueryEntityType;
ExceptionUtilities.CheckObjectNotNull(entityType, "Cannot verify type because inserted value is not an entity type. Type was: '{0}'.", inserted.Type);
this.AssertAreEqual(expectedTypeName, entityType.EntityType.FullName, "Inserted instance type did not match", request, response);
}
/// <summary>
/// Removes the given value from the collection
/// </summary>
/// <param name="targetResource">target object which defines the property</param>
/// <param name="propertyName">name of the property whose value needs to be updated</param>
/// <param name="resourceToBeRemoved">value of the property which needs to be removed</param>
public virtual void RemoveReferenceFromCollection(object targetResource, string propertyName, object resourceToBeRemoved)
{
ExceptionUtilities.CheckArgumentNotNull(targetResource, "targetResource");
ExceptionUtilities.CheckArgumentNotNull(propertyName, "propertyName");
ExceptionUtilities.CheckArgumentNotNull(resourceToBeRemoved, "resourceToBeRemoved");
UpdatableToken.AssertIsToken(targetResource, "targetResource");
resourceToBeRemoved = UpdatableToken.AssertIsTokenAndResolve(resourceToBeRemoved, "resourceToBeRemoved");
// We will use the GetValue we already implement to get the IList
IList list = this.GetValue(targetResource, propertyName) as IList;
ExceptionUtilities.CheckObjectNotNull(list, "Property '{0}' on type '{1}' was not a list", propertyName, targetResource.GetType().Name);
this.pendingChanges.Add(() =>
{
list.Remove(resourceToBeRemoved);
});
}