private string InternalGetStreamETag(object entity, DataServiceOperationContext operationContext)
{
if (DataServiceStreamProvider.GetPostWriteStreamETagOverride != null && GetWriteStreamCalled == true)
{
return(DataServiceStreamProvider.GetPostWriteStreamETagOverride(entity, operationContext));
}
else if (DataServiceStreamProvider.GetStreamETagOverride != null)
{
return(DataServiceStreamProvider.GetStreamETagOverride(entity, operationContext));
}
return(null);
}
public Uri GetReadStreamUri(object entity, DataServiceOperationContext operationContext)
{
this.ThrowIfDisposed();
CallOrderLog += "-GetReadStreamUri";
ValidateArguments(entity, operationContext);
if (DataServiceStreamProvider.GetReadStreamUriOverride != null)
{
return(DataServiceStreamProvider.GetReadStreamUriOverride(entity, operationContext));
}
else
{
return(GetReadStreamUri(entity));
}
}
public string GetStreamContentType(object entity, DataServiceOperationContext operationContext)
{
this.ThrowIfDisposed();
CallOrderLog += "-GetStreamContentType";
ValidateArguments(entity, operationContext);
if (DataServiceStreamProvider.GetStreamContentTypeOverride != null)
{
return(DataServiceStreamProvider.GetStreamContentTypeOverride(entity, operationContext));
}
else
{
return(GetContentType(entity));
}
}
public string ResolveType(string entitySetName, DataServiceOperationContext operationContext)
{
// This code is required by a test verifying that we can call GetQueryStringItem in an stream provider method.
var forceErrorValue = operationContext.GetQueryStringValue("Query-String-Header-Force-Error");
if (forceErrorValue == "yes")
{
throw new DataServiceException(418, "User code threw a Query-String-Header-Force-Error exception.");
}
this.ThrowIfDisposed();
CallOrderLog += "-ResolveType";
if (DataServiceStreamProvider.ResolveTypeOverride != null)
{
return(DataServiceStreamProvider.ResolveTypeOverride(entitySetName, operationContext));
}
return(operationContext.RequestHeaders["CustomRequestHeader_ItemType"]);
}
public static void PopulateData()
{
ClearData();
// populate data here...
Item i = new Item()
{
ID = NextItemID++,
Description = "Default Item0",
Name = "Item0",
};
_items.Add(i);
Photo p = new Photo()
{
ID = NextItemID++,
Description = "Default Photo1",
Name = "Photo1",
Rating = 3,
};
_items.Add(p);
DerivedFromPhoto p2 = new DerivedFromPhoto()
{
ID = NextItemID++,
Description = "Derived Photo2",
Name = "Photo2",
Rating = 3,
};
_items.Add(p2);
DerivedFromPhoto p3 = new DerivedFromPhoto()
{
ID = NextItemID++,
Description = "A Derived Photo3",
Name = "A Photo2",
Rating = 3,
};
_items.Add(p3);
DataServiceStreamProvider.Init();
using (Stream s = File.OpenWrite(DataServiceStreamProvider.GetStoragePath(p)))
{
byte[] buffer = new byte[] { 1, 2, 3, 4 };
s.Write(buffer, 0, 4);
s.Close();
}
Folder f = new Folder()
{
ID = NextFolderID++,
Name = "Folder1"
};
f.Items.Add(i);
i.ParentFolder = f;
f.Icon = p;
i.Icon = p;
f.Items.Add(p);
p.ParentFolder = f;
p.Icon = p;
f.Items.Add(p2);
p2.ParentFolder = f;
p2.Icon = p;
_folders.Add(f);
Folder f1 = new Folder()
{
ID = NextFolderID++,
Name = "A Folder2"
};
f1.Items.Add(p3);
p3.ParentFolder = f1;
f1.Icon = p;
p3.Icon = p3;
}