/// <summary>
/// Checks whether the <paramref name="id"/> is already contained.
/// </summary>
private bool IsContainingId(AssetId id)
{
if (ExistingIds.Contains(id))
{
return(true);
}
return(ContainsAssetWithId?.Invoke(id) ?? false);
}
/// <summary>
/// Default delegate for ids.
/// </summary>
private bool DefaultContainsId(Guid guid)
{
if (ExistingIds.Contains(guid))
{
return(true);
}
if (ContainsAssetWithId != null)
{
return(ContainsAssetWithId(guid));
}
return(false);
}
/// <summary>
/// Registers an asset identifier for usage.
/// </summary>
/// <param name="assetId">The asset identifier.</param>
/// <param name="newGuid">The new unique identifier if an asset has already been registered with the same id.</param>
/// <returns><c>true</c> if the asset id is already in used. <paramref name="newGuid" /> contains a new guid, <c>false</c> otherwise.</returns>
public bool RegisterId(AssetId assetId, out AssetId newGuid)
{
newGuid = assetId;
var result = AlwaysCreateNewId || IsContainingId(assetId);
if (result)
{
newGuid = AssetId.New();
}
ExistingIds.Add(newGuid);
return(result);
}
/// <summary>
/// Registers an asset identifier for usage.
/// </summary>
/// <param name="assetId">The asset identifier.</param>
/// <param name="newGuid">The new unique identifier if an asset has already been registered with the same id.</param>
/// <returns><c>true</c> if the asset id is already in used. <paramref name="newGuid" /> contains a new guid, <c>false</c> otherwise.</returns>
public bool RegisterId(Guid assetId, out Guid newGuid)
{
newGuid = assetId;
var result = AlwaysCreateNewId || containsId(assetId);
if (result)
{
newGuid = Guid.NewGuid();
}
ExistingIds.Add(newGuid);
return(result);
}