/// <inheritdoc />
public async Task MoveAsync(DbRef newLocation, ICacheClient redis, CancellationToken cancellationToken)
{
if (redis == null)
{
throw new ArgumentNullException(nameof(redis));
}
Debug.Assert(!newLocation.Equals(DbRef.Nothing), "!newLocation.Equals(DbRef.NOTHING)");
Debug.Assert(!newLocation.Equals(DbRef.Ambiguous), "!newLocation.Equals(DbRef.AMBIGUOUS)");
Debug.Assert(!newLocation.Equals(DbRef.FailedMatch), "!newLocation.Equals(DbRef.FAILED_MATCH)");
if (redis == null)
{
throw new ArgumentNullException(nameof(redis));
}
if (this.Location.Equals(newLocation))
{
return;
}
var oldLocationObject = this.Location.Equals(DbRef.Nothing) ? null : await CacheManager.LookupOrRetrieveAsync(this.Location, redis, async (d, token) => await GetAsync(redis, d, token), cancellationToken);
var newLocationObject = await CacheManager.LookupOrRetrieveAsync(newLocation, redis, async (d, token) => await GetAsync(redis, d, token), cancellationToken);
if (newLocationObject != null)
{
if (oldLocationObject != null)
{
oldLocationObject.DataObject.RemoveContents(this.DbRef);
await oldLocationObject.DataObject.SaveAsync(redis, cancellationToken);
}
newLocationObject.DataObject.AddContents(this.DbRef);
await newLocationObject.DataObject.SaveAsync(redis, cancellationToken);
this.Location = newLocation;
await this.SaveAsync(redis, cancellationToken);
var genericUpdateAsync = typeof(CacheManager).GetMethod(nameof(CacheManager.UpdateAsync)).MakeGenericMethod(newLocationObject.DataObject.GetType());
var task = (Task)genericUpdateAsync.Invoke(null, new object[] { newLocation, redis, newLocationObject.DataObject, cancellationToken });
Debug.Assert(task != null, "task != null");
await task;
}
}
