/// <summary>
/// Initializes static members of the StoreGeneratedPatternAnnotation class.
/// </summary>
static StoreGeneratedPatternAnnotation()
{
None = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnInsert = false,
ServerGeneratedOnUpdate = false,
ClientProvidesValueOnInsert = true,
ClientProvidesValueOnUpdate = true,
Name = "None",
};
Identity = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnUpdate = false,
ServerGeneratedOnInsert = true,
ClientProvidesValueOnInsert = false,
ClientProvidesValueOnUpdate = false,
Name = "Identity",
};
Computed = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnUpdate = true,
ServerGeneratedOnInsert = true,
ClientProvidesValueOnInsert = false,
ClientProvidesValueOnUpdate = false,
Name = "Computed",
};
}
/// <summary>
/// Initializes static members of the StoreGeneratedPatternAnnotation class.
/// </summary>
static StoreGeneratedPatternAnnotation()
{
None = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnInsert = false,
ServerGeneratedOnUpdate = false,
ClientProvidesValueOnInsert = true,
ClientProvidesValueOnUpdate = true,
Name = "None",
};
Identity = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnUpdate = false,
ServerGeneratedOnInsert = true,
ClientProvidesValueOnInsert = false,
ClientProvidesValueOnUpdate = false,
Name = "Identity",
};
Computed = new StoreGeneratedPatternAnnotation
{
ServerGeneratedOnUpdate = true,
ServerGeneratedOnInsert = true,
ClientProvidesValueOnInsert = false,
ClientProvidesValueOnUpdate = false,
Name = "Computed",
};
}
/// <summary>
/// Generates the concurrency token attribute.
/// </summary>
/// <param name="memberProperty">The property.</param>
/// <returns>Generated attribute</returns>
protected override XAttribute GenerateStoreGeneratedPattern(MemberProperty memberProperty)
{
StoreGeneratedPatternAnnotation annotation = memberProperty.Annotations.OfType <StoreGeneratedPatternAnnotation>().SingleOrDefault();
if (annotation == null)
{
return(null);
}
return(new XAttribute(EdmConstants.AnnotationNamespace.GetName("StoreGeneratedPattern"), annotation.Name));
}
private void VerifyPropertiesValues(EntityChangeData entityChange, object entity)
{
var entityType = this.GetEntityType(entity.GetType());
var serverNamedValues = this.ObjectServices.GetPropertiesValues(entity, entityType);
foreach (NamedValue serverNamedValue in serverNamedValues)
{
object cachedClientValue = entityChange.CachedPropertiesValues[serverNamedValue.Name];
// check if it's store-generated property
MemberProperty property = this.GetPropertyWithPath(serverNamedValue.Name, entityType);
StoreGeneratedPatternAnnotation storeGenAnnotation = property.Annotations.OfType <StoreGeneratedPatternAnnotation>().SingleOrDefault();
// The client does not perform fix-up on dependent properties, so we skip those properties here. The verification in the protocol tests
// is sufficient for ensuring the server behavior is correct
if (entityType.GetDependentProperties().Contains(property))
{
continue;
}
bool isMediaLinkEntryInsert = entityType.HasStream() && entityChange.State == EntityStates.Added;
if (storeGenAnnotation != null)
{
bool clientShouldBeUpdated = !isMediaLinkEntryInsert;
if (isMediaLinkEntryInsert || (entityChange.State == EntityStates.Modified && storeGenAnnotation.ServerGeneratedOnUpdate))
{
// if the product ever supports materializing the property values generated by the server
// during an MLE insert, then this can be changed to expect the server values on DSRP.None as well
clientShouldBeUpdated = this.currentContextData.AddAndUpdateResponsePreference == DataServiceResponsePreference.IncludeContent;
}
else if (!isMediaLinkEntryInsert && entityChange.State == EntityStates.Added && storeGenAnnotation.ServerGeneratedOnInsert)
{
clientShouldBeUpdated = this.currentContextData.AddAndUpdateResponsePreference != DataServiceResponsePreference.NoContent;
}
var clientValue = this.ObjectServices.GetObjectAdapter(entityType.FullName).GetMemberValue <object>(entityChange.DescriptorData.Entity, serverNamedValue.Name);
if (clientShouldBeUpdated)
{
this.Assert.AreEqual(
serverNamedValue.Value,
clientValue,
ValueComparer.Instance,
"Server-generated value should have been propagated back to the client. {0}.{1}",
entityChange.DescriptorData.Identity,
serverNamedValue.Name);
}
else
{
this.Assert.AreEqual(
cachedClientValue,
clientValue,
ValueComparer.Instance,
"Server-generated value should NOT have been propagated back to the client. {0}.{1}",
entityChange.DescriptorData.Identity,
serverNamedValue.Name);
}
}
else
{
// The value provided on the client should have been saved to the store.
this.VerifyPropertyValue(
cachedClientValue,
serverNamedValue.Value,
serverNamedValue.Name,
entityChange.DescriptorData.Identity.OriginalString);
}
}
}
