/// <summary>
/// Determines if the cache already contains a value for the specified EPM mapping.
/// </summary>
/// <param name="epmInfo">The EPM info for the EPM mapping to look for.</param>
/// <returns>true if the cache already contains a value for this mapping, false otherwise.</returns>
internal bool Contains(EntityPropertyMappingInfo epmInfo)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(epmInfo != null, "epmInfo != null");
return this.customEpmValues.Any(epmValue => object.ReferenceEquals(epmValue.Key, epmInfo));
}
/// <summary>Compares the defining type of this info and other EpmInfo object.</summary>
/// <param name="other">The other EpmInfo object to compare to.</param>
/// <returns>true if the defining types are the same</returns>
internal bool DefiningTypesAreEqual(EntityPropertyMappingInfo other)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(other != null, "other != null");
return(this.DefiningType.IsEquivalentTo(other.DefiningType));
}
private static string GetPropertyNameFromEpmInfo(EntityPropertyMappingInfo epmInfo)
{
if (epmInfo.Attribute.TargetSyndicationItem == SyndicationItemProperty.CustomProperty)
{
return(epmInfo.Attribute.TargetPath);
}
return(epmInfo.Attribute.TargetSyndicationItem.ToString());
}
internal void Add(EntityPropertyMappingInfo epmInfo)
{
List <EpmSourcePathSegment> list = new List <EpmSourcePathSegment>();
EpmSourcePathSegment root = this.Root;
EpmSourcePathSegment segment2 = null;
IEdmType actualPropertyType = epmInfo.ActualPropertyType;
string[] strArray = epmInfo.Attribute.SourcePath.Split(new char[] { '/' });
int length = strArray.Length;
for (int i = 0; i < length; i++)
{
string propertyName = strArray[i];
if (propertyName.Length == 0)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_InvalidSourcePath(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
IEdmTypeReference propertyType = GetPropertyType(actualPropertyType, propertyName);
IEdmType type2 = (propertyType == null) ? null : propertyType.Definition;
if ((type2 == null) && (i < (length - 1)))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_OpenComplexPropertyCannotBeMapped(propertyName, actualPropertyType.ODataFullName()));
}
actualPropertyType = type2;
segment2 = root.SubProperties.SingleOrDefault <EpmSourcePathSegment>(e => e.PropertyName == propertyName);
if (segment2 != null)
{
root = segment2;
}
else
{
EpmSourcePathSegment item = new EpmSourcePathSegment(propertyName);
root.SubProperties.Add(item);
root = item;
}
list.Add(root);
}
if ((actualPropertyType != null) && !actualPropertyType.IsODataPrimitiveTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(root.PropertyName));
}
if (segment2 != null)
{
if (segment2.EpmInfo.DefiningTypesAreEqual(epmInfo))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_DuplicateEpmAttributesWithSameSourceName(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
this.epmTargetTree.Remove(segment2.EpmInfo);
}
epmInfo.SetPropertyValuePath(list.ToArray());
root.EpmInfo = epmInfo;
this.epmTargetTree.Add(epmInfo);
}
/// <summary>
/// Removes a path in the tree which is obtained by looking at the EntityPropertyMappingAttribute in the <paramref name="epmInfo"/>.
/// </summary>
/// <param name="epmInfo">EnitityPropertyMappingInfo holding the target path</param>
internal void Remove(EntityPropertyMappingInfo epmInfo)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(epmInfo != null, "epmInfo != null");
string targetName = epmInfo.Attribute.TargetPath;
string namespaceUri = epmInfo.Attribute.TargetNamespaceUri;
EpmTargetPathSegment currentSegment = epmInfo.IsSyndicationMapping ? this.SyndicationRoot : this.NonSyndicationRoot;
List <EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments;
Debug.Assert(!string.IsNullOrEmpty(targetName), "Must have been validated during EntityPropertyMappingAttribute construction");
string[] targetSegments = targetName.Split('/');
for (int i = 0; i < targetSegments.Length; i++)
{
string targetSegment = targetSegments[i];
Debug.Assert(targetSegment.Length > 0 && (targetSegment[0] != '@' || i == targetSegments.Length - 1), "Target segments should have been checked when adding the path to the tree");
EpmTargetPathSegment foundSegment = activeSubSegments.FirstOrDefault(
segment => segment.SegmentName == targetSegment &&
(epmInfo.IsSyndicationMapping || segment.SegmentNamespaceUri == namespaceUri));
if (foundSegment != null)
{
currentSegment = foundSegment;
}
else
{
return;
}
activeSubSegments = currentSegment.SubSegments;
}
// Recursively remove all the parent segments which will have no more children left
// after removal of the current segment node
if (currentSegment.EpmInfo != null)
{
// Since we are removing a property with KeepInContent false, we should decrement the count
if (!currentSegment.EpmInfo.Attribute.KeepInContent)
{
this.countOfNonContentV2Mappings--;
}
EpmTargetPathSegment parentSegment = null;
do
{
parentSegment = currentSegment.ParentSegment;
parentSegment.SubSegments.Remove(currentSegment);
currentSegment = parentSegment;
}while (currentSegment.ParentSegment != null && !currentSegment.HasContent && currentSegment.SubSegments.Count == 0);
}
}
internal void Add(EntityPropertyMappingInfo epmInfo)
{
List<EpmSourcePathSegment> list = new List<EpmSourcePathSegment>();
EpmSourcePathSegment root = this.Root;
EpmSourcePathSegment segment2 = null;
IEdmType actualPropertyType = epmInfo.ActualPropertyType;
string[] strArray = epmInfo.Attribute.SourcePath.Split(new char[] { '/' });
int length = strArray.Length;
for (int i = 0; i < length; i++)
{
string propertyName = strArray[i];
if (propertyName.Length == 0)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_InvalidSourcePath(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
IEdmTypeReference propertyType = GetPropertyType(actualPropertyType, propertyName);
IEdmType type2 = (propertyType == null) ? null : propertyType.Definition;
if ((type2 == null) && (i < (length - 1)))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_OpenComplexPropertyCannotBeMapped(propertyName, actualPropertyType.ODataFullName()));
}
actualPropertyType = type2;
segment2 = root.SubProperties.SingleOrDefault<EpmSourcePathSegment>(e => e.PropertyName == propertyName);
if (segment2 != null)
{
root = segment2;
}
else
{
EpmSourcePathSegment item = new EpmSourcePathSegment(propertyName);
root.SubProperties.Add(item);
root = item;
}
list.Add(root);
}
if ((actualPropertyType != null) && !actualPropertyType.IsODataPrimitiveTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(root.PropertyName));
}
if (segment2 != null)
{
if (segment2.EpmInfo.DefiningTypesAreEqual(epmInfo))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_DuplicateEpmAttributesWithSameSourceName(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
this.epmTargetTree.Remove(segment2.EpmInfo);
}
epmInfo.SetPropertyValuePath(list.ToArray());
root.EpmInfo = epmInfo;
this.epmTargetTree.Add(epmInfo);
}
/// <summary>
/// Given an <see cref="EntityPropertyMappingInfo"/> gives the correct target path for it
/// </summary>
/// <param name="epmInfo">Given <see cref="EntityPropertyMappingInfo"/></param>
/// <returns>string with the correct value for the target path</returns>
private static string GetPropertyNameFromEpmInfo(EntityPropertyMappingInfo epmInfo)
{
if (epmInfo.Attribute.TargetSyndicationItem == SyndicationItemProperty.CustomProperty)
{
return(epmInfo.Attribute.TargetPath);
}
// for EF provider we want to return a name that corresponds to attribute in the edmx file while for CLR provider
// and the client we want to return a name that corresponds to the enum value used in EntityPropertyMapping attribute.
return
(#if ASTORIA_SERVER
epmInfo.IsEFProvider ? EpmTranslate.MapSyndicationPropertyToEpmTargetPath(epmInfo.Attribute.TargetSyndicationItem) :
#endif
epmInfo.Attribute.TargetSyndicationItem.ToString());
}
internal void Remove(EntityPropertyMappingInfo epmInfo)
{
string targetPath = epmInfo.Attribute.TargetPath;
string namespaceUri = epmInfo.Attribute.TargetNamespaceUri;
EpmTargetPathSegment item = epmInfo.IsSyndicationMapping ? this.SyndicationRoot : this.NonSyndicationRoot;
List <EpmTargetPathSegment> subSegments = item.SubSegments;
string[] strArray = targetPath.Split(new char[] { '/' });
for (int i = 0; i < strArray.Length; i++)
{
string targetSegment = strArray[i];
EpmTargetPathSegment segment2 = subSegments.FirstOrDefault <EpmTargetPathSegment>(delegate(EpmTargetPathSegment segment) {
if (!(segment.SegmentName == targetSegment))
{
return(false);
}
if (!epmInfo.IsSyndicationMapping)
{
return(segment.SegmentNamespaceUri == namespaceUri);
}
return(true);
});
if (segment2 != null)
{
item = segment2;
}
else
{
return;
}
subSegments = item.SubSegments;
}
if (item.EpmInfo != null)
{
if (!item.EpmInfo.Attribute.KeepInContent)
{
this.countOfNonContentV2Mappings--;
}
EpmTargetPathSegment parentSegment = null;
do
{
parentSegment = item.ParentSegment;
parentSegment.SubSegments.Remove(item);
item = parentSegment;
}while (((item.ParentSegment != null) && !item.HasContent) && (item.SubSegments.Count == 0));
}
}
/// <summary>
/// Reads a property value starting on an entry.
/// </summary>
/// <param name="epmInfo">The EPM info which describes the mapping for which to read the property value.</param>
/// <param name="epmValueCache">The EPM value cache for the entry to read from.</param>
/// <param name="entityType">The type of the entry.</param>
/// <returns>The value of the property (may be null), or null if the property itself was not found due to one of its parent properties being null.</returns>
protected object ReadEntryPropertyValue(
EntityPropertyMappingInfo epmInfo,
EntryPropertiesValueCache epmValueCache,
IEdmEntityTypeReference entityType)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(epmInfo.PropertyValuePath != null, "The PropertyValuePath should have been initialized by now.");
Debug.Assert(epmInfo.PropertyValuePath.Length > 0, "The PropertyValuePath must not be empty for an entry property.");
Debug.Assert(entityType != null, "entityType != null");
// TODO - It might be possible to avoid the "value" type checks below if we do property value validation based on the type
return this.ReadPropertyValue(
epmInfo,
epmValueCache.EntryProperties,
0,
entityType,
epmValueCache);
}
internal void Add(EntityPropertyMappingInfo epmInfo)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(epmInfo != null, "epmInfo != null");
string targetPath = epmInfo.Attribute.TargetPath;
string namespaceUri = epmInfo.Attribute.TargetNamespaceUri;
string namespacePrefix = epmInfo.Attribute.TargetNamespacePrefix;
EpmTargetPathSegment currentSegment = epmInfo.IsSyndicationMapping ? this.SyndicationRoot : this.NonSyndicationRoot;
IList <EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments;
Debug.Assert(!string.IsNullOrEmpty(targetPath), "Must have been validated during EntityPropertyMappingAttribute construction");
string[] targetSegments = targetPath.Split('/');
EpmTargetPathSegment foundSegment = null;
for (int i = 0; i < targetSegments.Length; i++)
{
string targetSegment = targetSegments[i];
if (targetSegment.Length == 0)
{
throw new ODataException(Strings.EpmTargetTree_InvalidTargetPath_EmptySegment(targetPath));
}
if (targetSegment[0] == '@' && i != targetSegments.Length - 1)
{
throw new ODataException(Strings.EpmTargetTree_AttributeInMiddle(targetSegment));
}
foundSegment = activeSubSegments.SingleOrDefault(
segment => segment.SegmentName == targetSegment &&
(epmInfo.IsSyndicationMapping || segment.SegmentNamespaceUri == namespaceUri));
if (foundSegment != null)
{
currentSegment = foundSegment;
}
else
{
currentSegment = new EpmTargetPathSegment(targetSegment, namespaceUri, namespacePrefix, currentSegment);
if (targetSegment[0] == '@')
{
activeSubSegments.Insert(0, currentSegment);
}
else
{
activeSubSegments.Add(currentSegment);
}
}
activeSubSegments = currentSegment.SubSegments;
}
if (currentSegment.EpmInfo != null)
{
// Two EpmAttributes with same TargetName in the inheritance hierarchy
throw new ODataException(Strings.EpmTargetTree_DuplicateEpmAttributesWithSameTargetName(currentSegment.EpmInfo.DefiningType.ODataFullName(), EpmTargetTree.GetPropertyNameFromEpmInfo(currentSegment.EpmInfo), currentSegment.EpmInfo.Attribute.SourcePath, epmInfo.Attribute.SourcePath));
}
// Increment the number of properties for which KeepInContent is false
if (!epmInfo.Attribute.KeepInContent)
{
this.countOfNonContentV2Mappings++;
}
currentSegment.EpmInfo = epmInfo;
// Mixed content is dis-allowed.
List <EntityPropertyMappingAttribute> conflictingAttributes = new List <EntityPropertyMappingAttribute>(2);
if (EpmTargetTree.HasMixedContent(this.NonSyndicationRoot, conflictingAttributes))
{
Debug.Assert(conflictingAttributes.Count == 2, "Expected to find exactly two conflicting attributes.");
throw new ODataException(Strings.EpmTargetTree_InvalidTargetPath_MixedContent(conflictingAttributes[0].TargetPath, conflictingAttributes[1].TargetPath));
}
}
protected void SetEpmValue(IList targetList, IEdmTypeReference targetTypeReference, EntityPropertyMappingInfo epmInfo, object propertyValue)
{
this.SetEpmValueForSegment(epmInfo, 0, targetTypeReference.AsStructuredOrNull(), (List<ODataProperty>) targetList, propertyValue);
}
/// <summary>
/// Adds a value to cache.
/// </summary>
/// <param name="epmInfo">The EPM info for the mapping according to which the value was read.</param>
/// <param name="value">The value to cache.</param>
/// <remarks>
/// The method will only store the first value for any given EPM info, since in custom EPM
/// only the first occurrence of the element/attribute is used, the others are ignored.
/// </remarks>
internal void Add(EntityPropertyMappingInfo epmInfo, string value)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(!this.Contains(epmInfo), "We should not be trying to add more than one value for any given mapping.");
this.customEpmValues.Add(new KeyValuePair<EntityPropertyMappingInfo, string>(epmInfo, value));
}
private void SetEpmValueForSegment(EntityPropertyMappingInfo epmInfo, int propertyValuePathIndex, IEdmStructuredTypeReference segmentStructuralTypeReference, List<ODataProperty> existingProperties, object propertyValue)
{
string propertyName = epmInfo.PropertyValuePath[propertyValuePathIndex].PropertyName;
if (!epmInfo.Attribute.KeepInContent)
{
IEdmTypeReference type;
ODataProperty property = existingProperties.FirstOrDefault<ODataProperty>(p => string.CompareOrdinal(p.Name, propertyName) == 0);
ODataComplexValue value2 = null;
if (property != null)
{
value2 = property.Value as ODataComplexValue;
if (value2 == null)
{
return;
}
}
IEdmProperty property2 = segmentStructuralTypeReference.FindProperty(propertyName);
if ((property2 == null) && (propertyValuePathIndex != (epmInfo.PropertyValuePath.Length - 1)))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmReader_OpenComplexOrCollectionEpmProperty(epmInfo.Attribute.SourcePath));
}
if ((property2 == null) || (this.MessageReaderSettings.DisablePrimitiveTypeConversion && property2.Type.IsODataPrimitiveTypeKind()))
{
type = EdmCoreModel.Instance.GetString(true);
}
else
{
type = property2.Type;
}
switch (type.TypeKind())
{
case EdmTypeKind.Primitive:
object obj2;
if (type.IsStream())
{
throw new ODataException(Microsoft.Data.OData.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_StreamProperty));
}
if (propertyValue == null)
{
ReaderValidationUtils.ValidateNullValue(this.atomInputContext.Model, type, this.atomInputContext.MessageReaderSettings, true, this.atomInputContext.Version);
obj2 = null;
}
else
{
obj2 = AtomValueUtils.ConvertStringToPrimitive((string) propertyValue, type.AsPrimitive());
}
this.AddEpmPropertyValue(existingProperties, propertyName, obj2, segmentStructuralTypeReference.IsODataEntityTypeKind());
return;
case EdmTypeKind.Complex:
{
if (value2 == null)
{
value2 = new ODataComplexValue {
TypeName = type.ODataFullName(),
Properties = new ReadOnlyEnumerable<ODataProperty>()
};
this.AddEpmPropertyValue(existingProperties, propertyName, value2, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
IEdmComplexTypeReference reference2 = type.AsComplex();
this.SetEpmValueForSegment(epmInfo, propertyValuePathIndex + 1, reference2, ReaderUtils.GetPropertiesList(value2.Properties), propertyValue);
return;
}
case EdmTypeKind.Collection:
{
ODataCollectionValue value4 = new ODataCollectionValue {
TypeName = type.ODataFullName(),
Items = new ReadOnlyEnumerable((List<object>) propertyValue)
};
this.AddEpmPropertyValue(existingProperties, propertyName, value4, segmentStructuralTypeReference.IsODataEntityTypeKind());
return;
}
}
throw new ODataException(Microsoft.Data.OData.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_TypeKind));
}
}
/// <summary>
/// Adds a path to the source and target tree which is obtained by looking at the EntityPropertyMappingAttribute in the <paramref name="epmInfo"/>
/// </summary>
/// <param name="epmInfo">EnitityPropertyMappingInfo holding the source path</param>
internal void Add(EntityPropertyMappingInfo epmInfo)
{
DebugUtils.CheckNoExternalCallers();
List <EpmSourcePathSegment> pathToCurrentSegment = new List <EpmSourcePathSegment>();
EpmSourcePathSegment currentSourceSegment = this.Root;
EpmSourcePathSegment foundSourceSegment = null;
IEdmType currentType = epmInfo.ActualPropertyType;
Debug.Assert(!string.IsNullOrEmpty(epmInfo.Attribute.SourcePath), "Invalid source path");
string[] propertyPath = epmInfo.Attribute.SourcePath.Split('/');
int propertyPathLength = propertyPath.Length;
Debug.Assert(propertyPathLength > 0, "Must have been validated during EntityPropertyMappingAttribute construction");
for (int sourcePropertyIndex = 0; sourcePropertyIndex < propertyPathLength; sourcePropertyIndex++)
{
string propertyName = propertyPath[sourcePropertyIndex];
if (propertyName.Length == 0)
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_InvalidSourcePath(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
IEdmTypeReference nextPropertyTypeReference = GetPropertyType(currentType, propertyName);
IEdmType nextPropertyType = nextPropertyTypeReference == null ? null : nextPropertyTypeReference.Definition;
// If we don't find a property type this is an open property; check whether this is the last segment in the path
// since otherwise this would not be an open primitive property and only open primitive properties are allowed.
if (nextPropertyType == null && sourcePropertyIndex < propertyPathLength - 1)
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_OpenComplexPropertyCannotBeMapped(propertyName, currentType.ODataFullName()));
}
currentType = nextPropertyType;
foundSourceSegment = currentSourceSegment.SubProperties.SingleOrDefault(e => e.PropertyName == propertyName);
if (foundSourceSegment != null)
{
currentSourceSegment = foundSourceSegment;
}
else
{
EpmSourcePathSegment newSourceSegment = new EpmSourcePathSegment(propertyName);
currentSourceSegment.SubProperties.Add(newSourceSegment);
currentSourceSegment = newSourceSegment;
}
pathToCurrentSegment.Add(currentSourceSegment);
}
// The last segment is the one being mapped from by the user specified attribute.
// It must be a primitive type - we don't allow mappings of anything else than primitive properties directly.
// Note that we can only verify this for non-open properties, for open properties we must assume it's a primitive type
// and we will make this check later during serialization again when we actually have the value of the property.
if (currentType != null)
{
if (!currentType.IsODataPrimitiveTypeKind())
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_EndsWithNonPrimitiveType(currentSourceSegment.PropertyName));
}
}
Debug.Assert(foundSourceSegment == null || foundSourceSegment.EpmInfo != null, "Can't have a leaf node in the tree without EpmInfo.");
// Two EpmAttributes with same PropertyName in the same type, this could be a result of inheritance
if (foundSourceSegment != null)
{
Debug.Assert(object.ReferenceEquals(foundSourceSegment, currentSourceSegment), "currentSourceSegment variable should have been updated already to foundSourceSegment");
// Check for duplicates on the same entity type
Debug.Assert(foundSourceSegment.SubProperties.Count == 0, "If non-leaf, it means we allowed complex type to be a leaf node");
if (foundSourceSegment.EpmInfo.DefiningTypesAreEqual(epmInfo))
{
throw new ODataException(ODataErrorStrings.EpmSourceTree_DuplicateEpmAttributesWithSameSourceName(epmInfo.DefiningType.ODataFullName(), epmInfo.Attribute.SourcePath));
}
// In case of inheritance, we need to remove the node from target tree which was mapped to base type property
this.epmTargetTree.Remove(foundSourceSegment.EpmInfo);
}
epmInfo.SetPropertyValuePath(pathToCurrentSegment.ToArray());
currentSourceSegment.EpmInfo = epmInfo;
this.epmTargetTree.Add(epmInfo);
}
/// <summary>
/// Sets the value read from EPM to a property on an entry.
/// </summary>
/// <param name="targetList">The target list, which is a list of properties (on entry or complex value).</param>
/// <param name="targetTypeReference">The type of the value on which to set the property (can be entity or complex).</param>
/// <param name="epmInfo">The EPM info for the mapping for which the value was read.</param>
/// <param name="propertyValue">The property value read, if the value was specified as null then this should be null,
/// if the value was missing the method should not be called at all.
/// For primitive properties this should be the string value, for all other properties this should be the exact value type.</param>
protected void SetEpmValue(
IList targetList,
IEdmTypeReference targetTypeReference,
EntityPropertyMappingInfo epmInfo,
object propertyValue)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(targetTypeReference != null, "targetTypeReference != null");
Debug.Assert(targetList != null, "targetList != null");
Debug.Assert(
targetTypeReference.IsODataEntityTypeKind() || targetTypeReference.IsODataComplexTypeKind(),
"Only entity and complex types can have an EPM value set on them.");
this.SetEpmValueForSegment(
epmInfo,
0,
targetTypeReference.AsStructuredOrNull(),
(List<ODataProperty>)targetList,
propertyValue);
}
internal bool Contains(EntityPropertyMappingInfo epmInfo)
{
return this.customEpmValues.Any<KeyValuePair<EntityPropertyMappingInfo, string>>(epmValue => object.ReferenceEquals(epmValue.Key, epmInfo));
}
internal bool DefiningTypesAreEqual(EntityPropertyMappingInfo other)
{
return(((IEdmType)this.DefiningType).IsEquivalentTo(((IEdmType)other.DefiningType)));
}
protected object ReadEntryPropertyValue(EntityPropertyMappingInfo epmInfo, EntryPropertiesValueCache epmValueCache, IEdmEntityTypeReference entityType)
{
return this.ReadPropertyValue(epmInfo, epmValueCache.EntryProperties, 0, entityType, epmValueCache);
}
/// <summary>
/// Reads a property value starting with the specified index to the property value path.
/// </summary>
/// <param name="epmInfo">The EPM info which describes the mapping for which to read the property value.</param>
/// <param name="cachedProperties">The enumeration of properties to search for the first property in the property value path.</param>
/// <param name="sourceSegmentIndex">The index in the property value path to start with.</param>
/// <param name="structuredTypeReference">The type of the entry or complex value the <paramref name="cachedProperties"/> enumeration belongs to.</param>
/// <param name="epmValueCache">The EPM value cache to use.</param>
/// <returns>The value of the property (may be null), or null if the property itself was not found due to one of its parent properties being null.</returns>
private object ReadPropertyValue(
EntityPropertyMappingInfo epmInfo,
IEnumerable<ODataProperty> cachedProperties,
int sourceSegmentIndex,
IEdmStructuredTypeReference structuredTypeReference,
EpmValueCache epmValueCache)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(epmInfo.PropertyValuePath != null, "The PropertyValuePath should have been initialized by now.");
Debug.Assert(epmInfo.PropertyValuePath.Length > sourceSegmentIndex, "The PropertyValuePath must be at least as long as the source segment index.");
Debug.Assert(structuredTypeReference != null, "structuredTypeReference != null");
Debug.Assert(epmValueCache != null, "epmValueCache != null");
EpmSourcePathSegment sourceSegment = epmInfo.PropertyValuePath[sourceSegmentIndex];
string propertyName = sourceSegment.PropertyName;
bool lastSegment = epmInfo.PropertyValuePath.Length == sourceSegmentIndex + 1;
IEdmStructuredType structuredType = structuredTypeReference.StructuredDefinition();
IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, structuredType);
if (edmProperty != null)
{
// If this is the last part of the path, then it has to be a primitive or atomic collection type otherwise should be a complex type
if (lastSegment)
{
if (!edmProperty.Type.IsODataPrimitiveTypeKind() && !edmProperty.Type.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(o.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
}
else
{
if (edmProperty.Type.TypeKind() != EdmTypeKind.Complex)
{
throw new ODataException(o.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
}
}
else
{
Debug.Assert(
structuredType.IsOpen,
"Only open types can have undeclared properties, otherwise we should have failed in the ValidatePropertyDefined method.");
}
ODataProperty property = cachedProperties == null ? null : cachedProperties.FirstOrDefault(p => p.Name == propertyName);
if (property == null)
{
throw new ODataException(o.Strings.EpmSourceTree_MissingPropertyOnInstance(propertyName, structuredTypeReference.ODataFullName()));
}
object propertyValue = property.Value;
ODataComplexValue propertyComplexValue = propertyValue as ODataComplexValue;
if (lastSegment)
{
if (propertyValue == null)
{
WriterValidationUtils.ValidateNullPropertyValue(edmProperty, this.WriterBehavior, this.atomOutputContext.Model);
}
else
{
// If this property is the last one it has to be either a primitive or collection
if (propertyComplexValue != null)
{
throw new ODataException(o.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
else
{
ODataCollectionValue propertyCollectionValue = propertyValue as ODataCollectionValue;
if (propertyCollectionValue != null)
{
// Validate the type name for the collection
string typeName = propertyCollectionValue.TypeName;
WriterValidationUtils.ResolveTypeNameForWriting(
this.atomOutputContext.Model,
edmProperty == null ? null : edmProperty.Type,
ref typeName,
EdmTypeKind.Collection,
edmProperty == null);
}
else
{
if (propertyValue is ODataStreamReferenceValue)
{
// Stream properties should not come here, if it were an ODataEntry property it would have been
// filtered in ReadEntryPropertyValue() by "epmValueCache.EntryProperties" call.
throw new ODataException(o.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
}
else if (propertyValue is ISpatial)
{
throw new ODataException(o.Strings.EpmSourceTree_OpenPropertySpatialTypeCannotBeMapped(propertyName, epmInfo.DefiningType.FullName()));
}
else if (edmProperty != null)
{
ValidationUtils.ValidateIsExpectedPrimitiveType(propertyValue, edmProperty.Type);
}
}
}
}
return propertyValue;
}
// Otherwise it's in the middle and thus it must be a complex value
if (propertyComplexValue == null)
{
if (propertyValue != null)
{
// It's not a complex value - fail.
throw new ODataException(o.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
else
{
// The value of the property is null, which can be a null complex value
// Note that we must not attempt to resolve the type as if the type name was null here, because
// 1) We don't need the type for anything anyway (the value is null, this is the end)
// 2) If the property is open, trying to resolve a null type name would throw
// but we don't have a null type name, we have a null entire value.
return null;
}
}
string localTypeName = propertyComplexValue.TypeName;
IEdmComplexTypeReference complexValueType = WriterValidationUtils.ResolveTypeNameForWriting(
this.atomOutputContext.Model,
edmProperty == null ? null : edmProperty.Type,
ref localTypeName,
EdmTypeKind.Complex,
edmProperty == null).AsComplexOrNull();
return this.ReadComplexPropertyValue(
epmInfo,
propertyComplexValue,
epmValueCache,
sourceSegmentIndex + 1,
complexValueType);
}
private void SetEpmValueForSegment(
EntityPropertyMappingInfo epmInfo,
int propertyValuePathIndex,
IEdmStructuredTypeReference segmentStructuralTypeReference,
List<ODataProperty> existingProperties,
object propertyValue)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(propertyValuePathIndex < epmInfo.PropertyValuePath.Length, "The propertyValuePathIndex is out of bounds.");
Debug.Assert(existingProperties != null, "existingProperties != null");
string propertyName = epmInfo.PropertyValuePath[propertyValuePathIndex].PropertyName;
// Do not set out-of-content values if the EPM is defined as KeepInContent=true.
if (epmInfo.Attribute.KeepInContent)
{
return;
}
// Try to find the property in the existing properties
// If the property value is atomic from point of view of EPM (non-streaming collection or primitive) then if it already exists
// it must have been in-content, and thus we leave it as is (note that two EPMs can't map to the same property, we verify that upfront).
// If the property value is non-atomic, then it is a complex value, we might want to merge the new value comming from EPM with it.
ODataProperty existingProperty = existingProperties.FirstOrDefault(p => string.CompareOrdinal(p.Name, propertyName) == 0);
ODataComplexValue existingComplexValue = null;
if (existingProperty != null)
{
// In case the property exists and it's a complex value we will try to merge.
// Note that if the property is supposed to be complex, but it already has a null value, then the null wins.
// Since in-content null complex value wins over any EPM complex value.
existingComplexValue = existingProperty.Value as ODataComplexValue;
if (existingComplexValue == null)
{
return;
}
}
IEdmProperty propertyMetadata = segmentStructuralTypeReference.FindProperty(propertyName);
Debug.Assert(propertyMetadata != null || segmentStructuralTypeReference.IsOpen(), "We should have verified that if the property is not declared the type must be open.");
if (propertyMetadata == null && propertyValuePathIndex != epmInfo.PropertyValuePath.Length - 1)
{
throw new ODataException(o.Strings.EpmReader_OpenComplexOrCollectionEpmProperty(epmInfo.Attribute.SourcePath));
}
// Open properties in EPM are by default of type Edm.String - there's no way to specify a typename in EPM
// consumer is free to do the conversion later on if it needs to.
// Note that this effectively means that ODataMessageReaderSettings.DisablePrimitiveTypeConversion is as if it's turned on for open EPM properties.
IEdmTypeReference propertyType;
if (propertyMetadata == null ||
(this.MessageReaderSettings.DisablePrimitiveTypeConversion && propertyMetadata.Type.IsODataPrimitiveTypeKind()))
{
propertyType = EdmCoreModel.Instance.GetString(/*nullable*/true);
}
else
{
propertyType = propertyMetadata.Type;
}
// NOTE: WCF DS Server only applies the values when
// - It's an open property
// - It's not a key property
// - It's a key property and it's a POST operation
// ODataLib here will always set the property though.
switch (propertyType.TypeKind())
{
case EdmTypeKind.Primitive:
{
if (propertyType.IsStream())
{
throw new ODataException(o.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_StreamProperty));
}
object primitiveValue;
if (propertyValue == null)
{
ReaderValidationUtils.ValidateNullValue(this.atomInputContext.Model, propertyType, this.atomInputContext.MessageReaderSettings, /*validateNullValue*/ true, this.atomInputContext.Version);
primitiveValue = null;
}
else
{
// Convert the value to the desired target type
primitiveValue = AtomValueUtils.ConvertStringToPrimitive((string)propertyValue, propertyType.AsPrimitive());
}
this.AddEpmPropertyValue(existingProperties, propertyName, primitiveValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
break;
case EdmTypeKind.Complex:
// Note: Unlike WCF DS we don't have a preexisting instance to override (since complex values are atomic, so we should not updated them)
// In our case the complex value either doesn't exist yet on the entry being reported (easy, create it)
// or it exists, but then it was created during reading of previous normal or EPM properties for this entry. It never exists before
// we ever get to see the entity. So in our case we will never recreate the complex value, we always start with new one
// and update it with new properties as they come. (Next time we will start over with a new complex value.)
Debug.Assert(
existingComplexValue == null || (existingProperty != null && existingProperty.Value == existingComplexValue),
"If we have existing complex value, we must have an existing property as well.");
Debug.Assert(
epmInfo.PropertyValuePath.Length > propertyValuePathIndex + 1,
"Complex value can not be a leaf segment in the source property path. We should have failed constructing the EPM trees for it.");
if (existingComplexValue == null)
{
Debug.Assert(existingProperty == null, "If we don't have an existing complex value, then we must not have an existing property at all.");
// Create a new complex value and set its type name to the type name of the property type (in case of EPM we never have type name from the payload)
existingComplexValue = new ODataComplexValue
{
TypeName = propertyType.ODataFullName(),
Properties = new ReadOnlyEnumerable<ODataProperty>()
};
this.AddEpmPropertyValue(existingProperties, propertyName, existingComplexValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
// Get the properties list of the complex value and recursively set the next EPM segment value to it.
// Note that on inner complex value we don't need to check for duplicate properties
// because EPM will never add a property which already exists (see the start of this method).
IEdmComplexTypeReference complexPropertyTypeReference = propertyType.AsComplex();
Debug.Assert(complexPropertyTypeReference != null, "complexPropertyTypeReference != null");
this.SetEpmValueForSegment(
epmInfo,
propertyValuePathIndex + 1,
complexPropertyTypeReference,
ReaderUtils.GetPropertiesList(existingComplexValue.Properties),
propertyValue);
break;
case EdmTypeKind.Collection:
Debug.Assert(propertyType.IsNonEntityODataCollectionTypeKind(), "Collection types in EPM must be atomic.");
// In this case the property value is the internal list of items.
// Create a new collection value and set the list as the list of items on it.
ODataCollectionValue collectionValue = new ODataCollectionValue
{
TypeName = propertyType.ODataFullName(),
Items = new ReadOnlyEnumerable((List<object>)propertyValue)
};
this.AddEpmPropertyValue(existingProperties, propertyName, collectionValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
break;
default:
throw new ODataException(o.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_TypeKind));
}
}
internal void Add(EntityPropertyMappingInfo epmInfo)
{
string targetPath = epmInfo.Attribute.TargetPath;
string namespaceUri = epmInfo.Attribute.TargetNamespaceUri;
string targetNamespacePrefix = epmInfo.Attribute.TargetNamespacePrefix;
EpmTargetPathSegment parentSegment = epmInfo.IsSyndicationMapping ? this.SyndicationRoot : this.NonSyndicationRoot;
IList <EpmTargetPathSegment> subSegments = parentSegment.SubSegments;
string[] strArray = targetPath.Split(new char[] { '/' });
EpmTargetPathSegment segment2 = null;
for (int i = 0; i < strArray.Length; i++)
{
string targetSegment = strArray[i];
if (targetSegment.Length == 0)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmTargetTree_InvalidTargetPath_EmptySegment(targetPath));
}
if ((targetSegment[0] == '@') && (i != (strArray.Length - 1)))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmTargetTree_AttributeInMiddle(targetSegment));
}
segment2 = subSegments.SingleOrDefault <EpmTargetPathSegment>(delegate(EpmTargetPathSegment segment) {
if (!(segment.SegmentName == targetSegment))
{
return(false);
}
if (!epmInfo.IsSyndicationMapping)
{
return(segment.SegmentNamespaceUri == namespaceUri);
}
return(true);
});
if (segment2 != null)
{
parentSegment = segment2;
}
else
{
parentSegment = new EpmTargetPathSegment(targetSegment, namespaceUri, targetNamespacePrefix, parentSegment);
if (targetSegment[0] == '@')
{
subSegments.Insert(0, parentSegment);
}
else
{
subSegments.Add(parentSegment);
}
}
subSegments = parentSegment.SubSegments;
}
if (parentSegment.EpmInfo != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmTargetTree_DuplicateEpmAttributesWithSameTargetName(parentSegment.EpmInfo.DefiningType.ODataFullName(), GetPropertyNameFromEpmInfo(parentSegment.EpmInfo), parentSegment.EpmInfo.Attribute.SourcePath, epmInfo.Attribute.SourcePath));
}
if (!epmInfo.Attribute.KeepInContent)
{
this.countOfNonContentV2Mappings++;
}
parentSegment.EpmInfo = epmInfo;
List <EntityPropertyMappingAttribute> ancestorsWithContent = new List <EntityPropertyMappingAttribute>(2);
if (HasMixedContent(this.NonSyndicationRoot, ancestorsWithContent))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmTargetTree_InvalidTargetPath_MixedContent(ancestorsWithContent[0].TargetPath, ancestorsWithContent[1].TargetPath));
}
}
/// <summary>
/// Sets the value read from EPM to a property on an entry.
/// </summary>
/// <param name="epmInfo">The EPM info for the mapping for which the value was read.</param>
/// <param name="propertyValue">The property value read, if the value was specified as null then this should be null,
/// if the value was missing the method should not be called at all.
/// For primitive properties this should be the string value, for all other properties this should be the exact value type.</param>
protected void SetEntryEpmValue(EntityPropertyMappingInfo epmInfo, object propertyValue)
{
this.SetEpmValue(
ReaderUtils.GetPropertiesList(this.entryState.Entry.Properties),
this.entryState.EntityType.ToTypeReference(),
epmInfo,
propertyValue);
}
private object ReadComplexPropertyValue(EntityPropertyMappingInfo epmInfo, ODataComplexValue complexValue, EpmValueCache epmValueCache, int sourceSegmentIndex, IEdmComplexTypeReference complexType)
{
return this.ReadPropertyValue(epmInfo, EpmValueCache.GetComplexValueProperties(epmValueCache, complexValue, false), sourceSegmentIndex, complexType, epmValueCache);
}
/// <summary>
/// Reads a property value starting on a complex value.
/// </summary>
/// <param name="epmInfo">The EPM info which describes the mapping for which to read the property value.</param>
/// <param name="complexValue">The complex value to start with.</param>
/// <param name="epmValueCache">The EPM value cache to use.</param>
/// <param name="sourceSegmentIndex">The index in the property value path to start with.</param>
/// <param name="complexType">The type of the complex value.</param>
/// <returns>The value of the property (may be null), or null if the property itself was not found due to one of its parent properties being null.</returns>
private object ReadComplexPropertyValue(
EntityPropertyMappingInfo epmInfo,
ODataComplexValue complexValue,
EpmValueCache epmValueCache,
int sourceSegmentIndex,
IEdmComplexTypeReference complexType)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(epmInfo.PropertyValuePath != null, "The PropertyValuePath should have been initialized by now.");
Debug.Assert(epmInfo.PropertyValuePath.Length > sourceSegmentIndex, "The PropertyValuePath must be at least as long as the source segment index.");
Debug.Assert(epmValueCache != null, "epmValueCache != null");
Debug.Assert(sourceSegmentIndex >= 0, "sourceSegmentIndex >= 0");
Debug.Assert(complexType != null, "complexType != null");
Debug.Assert(complexValue != null, "complexValue != null");
return this.ReadPropertyValue(
epmInfo,
EpmValueCache.GetComplexValueProperties(epmValueCache, complexValue, false),
sourceSegmentIndex,
complexType,
epmValueCache);
}
private object ReadPropertyValue(EntityPropertyMappingInfo epmInfo, IEnumerable<ODataProperty> cachedProperties, int sourceSegmentIndex, IEdmStructuredTypeReference structuredTypeReference, EpmValueCache epmValueCache)
{
EpmSourcePathSegment segment = epmInfo.PropertyValuePath[sourceSegmentIndex];
string propertyName = segment.PropertyName;
bool flag = epmInfo.PropertyValuePath.Length == (sourceSegmentIndex + 1);
IEdmStructuredType owningStructuredType = structuredTypeReference.StructuredDefinition();
IEdmProperty expectedProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, owningStructuredType);
if (expectedProperty != null)
{
if (flag)
{
if (!expectedProperty.Type.IsODataPrimitiveTypeKind() && !expectedProperty.Type.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
}
else if (expectedProperty.Type.TypeKind() != EdmTypeKind.Complex)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
}
ODataProperty property2 = (cachedProperties == null) ? null : cachedProperties.FirstOrDefault<ODataProperty>(p => (p.Name == propertyName));
if (property2 == null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_MissingPropertyOnInstance(propertyName, structuredTypeReference.ODataFullName()));
}
object obj2 = property2.Value;
ODataComplexValue complexValue = obj2 as ODataComplexValue;
if (flag)
{
if (obj2 == null)
{
WriterValidationUtils.ValidateNullPropertyValue(expectedProperty, this.WriterBehavior, this.atomOutputContext.Model);
return obj2;
}
if (complexValue != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
ODataCollectionValue value3 = obj2 as ODataCollectionValue;
if (value3 != null)
{
string str = value3.TypeName;
WriterValidationUtils.ResolveTypeNameForWriting(this.atomOutputContext.Model, (expectedProperty == null) ? null : expectedProperty.Type, ref str, EdmTypeKind.Collection, expectedProperty == null);
return obj2;
}
if (obj2 is ODataStreamReferenceValue)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
}
if (obj2 is ISpatial)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_OpenPropertySpatialTypeCannotBeMapped(propertyName, epmInfo.DefiningType.FullName()));
}
if (expectedProperty != null)
{
ValidationUtils.ValidateIsExpectedPrimitiveType(obj2, expectedProperty.Type);
}
return obj2;
}
if (complexValue == null)
{
if (obj2 != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
return null;
}
string typeName = complexValue.TypeName;
IEdmComplexTypeReference complexType = WriterValidationUtils.ResolveTypeNameForWriting(this.atomOutputContext.Model, (expectedProperty == null) ? null : expectedProperty.Type, ref typeName, EdmTypeKind.Complex, expectedProperty == null).AsComplexOrNull();
return this.ReadComplexPropertyValue(epmInfo, complexValue, epmValueCache, sourceSegmentIndex + 1, complexType);
}
internal void Add(EntityPropertyMappingInfo epmInfo, string value)
{
this.customEpmValues.Add(new KeyValuePair<EntityPropertyMappingInfo, string>(epmInfo, value));
}
