/// <summary>
/// Checks if the key exists and the value exists in the set.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TItem">The type of the item.</typeparam>
/// <param name="setMap">The set map.</param>
/// <param name="key">The key.</param>
/// <param name="item">The item.</param>
/// <returns></returns>
public static async Task <bool> ContainsItemAsync <TKey, TItem>(this ISetMap <TKey, TItem> setMap, TKey key,
TItem item)
{
var set = await setMap.GetValueOrEmptyAsync(key).ConfigureAwait(false);
return(await set.ContainsAsync(item).ConfigureAwait(false));
}
/// <summary>
/// Checks if the key exists and the value exists in the set.
/// </summary>
public static async Task <bool> ContainsItemAsync <TKey, TItem>(this ISetMap <TKey, TItem> setMap,
TKey key,
TItem item,
CancellationToken cancellationToken = default)
{
var set = await setMap.GetValueOrEmptyAsync(key, cancellationToken).ConfigureAwait(false);
return(await set.ContainsAsync(item, cancellationToken).ConfigureAwait(false));
}
/// <summary>
/// Adds an item to the set.
/// If the key doesn't exists, it will be created.
/// If the value already exists, it is overwritten.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TItem">The type of the item.</typeparam>
/// <param name="setMap">The set map.</param>
/// <param name="key">The key.</param>
/// <param name="item">The item.</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static async Task AddItemAsync <TKey, TItem>(this ISetMap <TKey, TItem> setMap,
TKey key,
TItem item,
CancellationToken cancellationToken = default)
{
var set = await setMap.GetValueOrEmptyAsync(key, cancellationToken).ConfigureAwait(false);
await set.AddAsync(item, cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Adds some items to the set.
/// If the key doesn't exists, it will be created.
/// If the value already exists, it is overwritten.
/// </summary>
public static async Task AddItemsAsync <TKey, TItem>(
this ISetMap <TKey, TItem> setMap,
TKey key,
IAsyncEnumerable <TItem> items,
CancellationToken cancellationToken = default)
{
var set = await setMap.GetValueOrEmptyAsync(key, cancellationToken).ConfigureAwait(false);
await set.AddRangeAsync(items, cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Adds an item to the set.
/// If the key doesn't exists, it will be created.
/// If the value already exists, it is overwritten.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TItem">The type of the item.</typeparam>
/// <param name="setMap">The set map.</param>
/// <param name="key">The key.</param>
/// <param name="item">The item.</param>
/// <returns></returns>
public static async Task AddItemAsync <TKey, TItem>(this ISetMap <TKey, TItem> setMap, TKey key, TItem item)
{
var set = await setMap.GetValueOrEmptyAsync(key).ConfigureAwait(false);
await set.AddAsync(item).ConfigureAwait(false);
}
public async Task <ISet <TValue> > GetValueOrEmptyAsync(TKey key, CancellationToken cancellationToken = default)
{
var set = await _setMap.GetValueOrEmptyAsync(key, cancellationToken).ConfigureAwait(false);
return(new NotifyWriteSet <TValue>(set, (_, token) => _writeHandler(key, token)));
}
public Task <ISet <TValue> > GetValueOrEmptyAsync(TKey key, CancellationToken cancellationToken = default) => _underlyingSetMap.GetValueOrEmptyAsync(key, cancellationToken);