// Helper method
private void SetupAssertEvents(Entity <long, SampleData> entity,
IDiffstore <long, SampleData> db)
{
db.OnSave += (sender, saved) => {
Assert.Equal(db, sender);
Assert.Equal(entity, saved);
};
db.OnDelete += (sender, key) => {
Assert.Equal(db, sender);
Assert.Equal(key, entity.Key);
};
}
/// <summary>
/// Checks if this entity exists in the specified storage.
/// </summary>
/// <param name="db">Storage to be checked.</param>
public static bool ExistsIn <TK, TV>(this Entity <TK, TV> entity, IDiffstore <TK, TV> db)
where TK : IComparable
where TV : class, new() =>
db.Exists(entity.Key);
/// <summary>
/// Deletes this entity from the specified storage.
/// </summary>
/// <param name="db">Storage in which the entity should be deleted.</param>
public static void DeleteFrom <TK, TV>(this Entity <TK, TV> entity, IDiffstore <TK, TV> db)
where TK : IComparable
where TV : class, new() =>
db.Delete(entity);
/// <summary>
/// Saves this entity in the specified storage.
/// </summary>
/// <param name="db">Storage in which the entity should be saved.</param>
/// <param name="makeSnapshot">If true, creates a snapshot if entity was changed.</param>
public static void SaveIn <TK, TV>(this Entity <TK, TV> entity, IDiffstore <TK, TV> db,
bool makeSnapshot = true)
where TK : IComparable
where TV : class, new() =>
db.Save(entity, makeSnapshot);
/// <summary>
/// Creates an embedded (local storage) Diffstore DBMS instance.
/// </summary>
/// <param name="db">Existing Diffstore instance</param>
/// <param name="provider">ITransactionProvider</param>
/// <param name="policy">Transaction policy options</param>
public static IDiffstoreDBMS <TKey, TValue> Embedded <TKey, TValue>(
IDiffstore <TKey, TValue> db,
ITransactionProvider <TKey> provider, TransactionPolicyInfo policy)
where TKey : IComparable
where TValue : class, new() =>
new EmbeddedDBMS <TKey, TValue>(db, policy, provider);
