private static void HandleSubscribeForObjectsCallback(IntPtr results, IntPtr taskCompletionSource, NativeException ex)
{
var handle = GCHandle.FromIntPtr(taskCompletionSource);
var tcs = (TaskCompletionSource <ResultsHandle>)handle.Target;
try
{
if (ex.type == RealmExceptionCodes.NoError)
{
var resultsHandle = new ResultsHandle(null, results);
tcs.TrySetResult(resultsHandle);
}
else
{
tcs.TrySetException(ex.Convert());
}
}
finally
{
handle.Free();
}
}
public static SubscriptionHandle Create(ResultsHandle results, string name, long?timeToLive, bool update, string[] inclusions)
{
var nativeInclusions = Array.Empty <Native.StringValue>();
if (inclusions != null)
{
nativeInclusions = inclusions.Select(i => new Native.StringValue {
Value = i
}).ToArray();
}
// We use -1 to signal "no value"
var handle = NativeMethods.subscribe(
results,
name, name?.Length ?? -1,
timeToLive ?? -1,
update,
nativeInclusions, inclusions?.Length ?? -1,
out var ex);
ex.ThrowIfNecessary();
return(new SubscriptionHandle(handle));
}
public static extern IntPtr subscribe(
ResultsHandle results,
[MarshalAs(UnmanagedType.LPWStr)] string name,
IntPtr name_len,
[MarshalAs(UnmanagedType.I1)] bool has_name,
out NativeException ex);
