public CollectionService(
ICollectionInitializer initializer,
ICollectionResolver <TContext> resolver,
IDatabaseCollectionProvider <TContext> provider)
{
_initializer = initializer ?? throw new ArgumentNullException(nameof(initializer));
_resolver = resolver ?? throw new ArgumentNullException(nameof(resolver));
_provider = provider ?? throw new ArgumentNullException(nameof(provider));
}
public IDatabaseCollection <TItem> GetCollection <TItem>(IDatabaseCollectionProvider <TContext> collectionProvider, string collectionId, Type collectionItemType)
{
//collection item type and actual requested item type is the same
if (collectionItemType == typeof(TItem))
{
return(collectionProvider.GetCollection <TItem, TItem>(collectionId));
}
//requested item type is derived from collection item type
//TODO: cache
var getCollectionMethod = ReflectionUtil.GetGenericMethod(collectionProvider.GetType(), "GetCollection", BindingFlags.Instance | BindingFlags.Public, 2, 1);
var genericGetCollectionMethod = getCollectionMethod.MakeGenericMethod(typeof(TItem), collectionItemType);
return((IDatabaseCollection <TItem>)genericGetCollectionMethod.Invoke(collectionProvider, new object[] { collectionId }));
}
public IDatabaseCollection <TItem> GetCollection <TItem>(IDatabaseCollectionProvider <TContext> collectionProvider)
{
var collectionInfo = GetCollectionInfo <TItem>();
return(GetCollection <TItem>(collectionProvider, collectionInfo.CollectionId, collectionInfo.CollectionItemType));
}
public DatabaseCollection(string collectionName, DatabaseCollectionOptions options)
{
_options = options;
_provider = CreateProviderInstance(collectionName, options);
}
