/// <summary>
/// Apply the delta set
/// </summary>
private void ApplyDelta(string delta, ClassRepository classRepository)
{
// Load the Delta Set
try
{
DeltaSet ds = DeltaSet.Load(delta);
if (ds.MetaData == null)
{
throw new InvalidOperationException("Delta set is missing data...");
}
DeltaEngine de = new DeltaEngine(ds);
de.Apply(classRepository);
}
catch (Exception e)
{
Trace.WriteLine(String.Format("Delta: Won't apply '{0}', reason: {1}", delta, e.Message), "error");
Exception ie = e.InnerException;
while (ie != null)
{
Trace.WriteLine(String.Format("Caused by: {0}", ie.Message), "error");
ie = ie.InnerException;
}
}
}
public void PatchOnDeltaSet_ThrowsArgumentNull_OriginalSet()
{
// Arrange
DeltaSet <DeltaSetOfTTests> set = new DeltaSet <DeltaSetOfTTests>();
// Act & Assert
ExceptionAssert.ThrowsArgumentNull(() => set.Patch(null), "originalSet");
}
public void DeltaSet_Returns_ExpectedClrType()
{
// Arrange
DeltaSet <DeltaSetOfTTests> set = new DeltaSet <DeltaSetOfTTests>();
// Act & Assert
Assert.Equal(typeof(DeltaSetOfTTests), set.ExpectedClrType);
}
public void DeltaSet_Returns_StructuredType()
{
// Arrange
DeltaSet <DeltaSetOfTTests> set = new DeltaSet <DeltaSetOfTTests>();
// Act & Assert
Assert.Equal(typeof(DeltaSetOfTTests), set.StructuredType);
}
// public IActionResult Patch(EdmChangedObjectCollection changes)
public IActionResult Patch(DeltaSet <Organization> changes)
{
/*
* {
* "@odata.context":"http://localhost/$metadata#Organizations/$delta",
* "value":[
* {
* "@odata.id":"Organizations(42)",
* "Name":"Micrsoft"
* },
* {
* "@odata.context":"http://localhost/$metadata#Organizations/$deletedLink",
* "source":"Organizations(32)",
* "relationship":"Departs",
* "target":"Departs(12)"
* },
* {
* "@odata.context":"http://localhost/$metadata#Organizations/$link",
* "source":"Organizations(22)",
* "relationship":"Departs",
* "target":"Departs(2)"
* },
* {
* "@odata.context":"http://localhost/$metadata#Organizations/$deletedEntity",
* "id":"Organizations(12)",
* "reason":"deleted"
* }
* ]
* }
*/
//changes.ApplyDeleteLink = (l) => { };
//IList<Organization> originalSet = new List<Organization>();
// changes.Patch(originalSet);
return(Ok());
}
/// <inheritdoc />
public sealed override object ReadInline(object item, IEdmTypeReference edmType, ODataDeserializerContext readContext)
{
if (item == null)
{
return(null);
}
if (edmType == null)
{
throw Error.ArgumentNull(nameof(edmType));
}
if (readContext == null)
{
throw Error.ArgumentNull(nameof(readContext));
}
if (!edmType.IsCollection() || !edmType.AsCollection().ElementType().IsStructured())
{
throw Error.Argument(nameof(edmType), SRResources.TypeMustBeResourceSet, edmType.ToTraceString());
}
ODataDeltaResourceSetWrapper resourceSet = item as ODataDeltaResourceSetWrapper;
if (resourceSet == null)
{
throw Error.Argument(nameof(item), SRResources.ArgumentMustBeOfType, typeof(ODataDeltaResourceSetWrapper).Name);
}
// Recursion guard to avoid stack overflows
RuntimeHelpers.EnsureSufficientExecutionStack();
IEdmStructuredTypeReference elementType = edmType.AsCollection().ElementType().AsStructured();
IEnumerable result = ReadDeltaResourceSet(resourceSet, elementType, readContext);
if (result != null)
{
if (readContext.IsNoClrType)
{
EdmChangedObjectCollection changedObjCollection = new EdmChangedObjectCollection(elementType.Definition as IEdmEntityType);
foreach (IEdmChangedObject changedObject in result)
{
changedObjCollection.Add(changedObject);
}
return(changedObjCollection);
}
else
{
Type elementClrType = readContext.Model.GetClrType(elementType);
Type changedObjCollType = typeof(DeltaSet <>).MakeGenericType(elementClrType);
DeltaSet deltaSet = Activator.CreateInstance(changedObjCollType) as DeltaSet;
foreach (var delta in result)
{
IDeltaItem deltaItem = delta as IDeltaItem;
if (deltaItem != null)
{
deltaSet.Add(deltaItem);
}
}
return(deltaSet);
}
}
else
{
return(result);
}
}
/// <summary>
/// Creates a new delta engine with the specified
/// delta set
/// </summary>
public DeltaEngine(DeltaSet deltaSet)
{
this.m_deltaSet = deltaSet;
ValidateDeltaSet();
}
