/// <summary>
/// Open a channel to receive a message and send a result.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="key">Specify a key to limit the channels to receive the message.</param>
/// <param name="method">The delegate that is called when the message is sent.</param>
/// <param name="weakReference">The weak reference of the object.<br/>
/// The channel will be automatically closed when the object is garbage collected.<br/>
/// To achieve maximum performance, you can set this value to null (DON'T forget to close the channel manually).</param>
/// <returns>A new instance of XChannel.<br/>
/// You need to call <see cref="XChannel.Dispose()"/> when the channel is no longer necessary, unless the weak reference is specified.</returns>
public static XChannel OpenTwoWayKey <TKey, TMessage, TResult>(TKey key, Func <TMessage, TResult> method, object?weakReference = null)
where TKey : notnull
{
var collection = Cache_KeyMessageResult <TKey, TMessage, TResult> .Collection;
if (collection.CleanupCount++ >= CrossChannelConst.CleanupDictionaryThreshold)
{
lock (collection)
{
collection.CleanupCount = 1;
collection.Cleanup();
}
}
var channel = new XChannel_KeyMessageResult <TKey, TMessage, TResult>(collection, key, weakReference, method);
return(channel);
}
/// <summary>
/// Open a channel to receive a message and send a result.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="key">Specify a key to limit the channels to receive the message.</param>
/// <param name="method">The delegate that is called when the message is sent.</param>
/// <param name="weakReference">The weak reference of the object.<br/>
/// The channel will be automatically closed when the object is garbage collected.<br/>
/// To achieve maximum performance, you can set this value to null (DON'T forget to close the channel manually).</param>
/// <returns>A new instance of XChannel.<br/>
/// You need to call <see cref="XChannel.Dispose()"/> when the channel is no longer necessary, unless the weak reference is specified.</returns>
public XChannel OpenTwoWayKey <TKey, TMessage, TResult>(TKey key, Func <TMessage, TResult> method, object?weakReference = null)
where TKey : notnull
{
var collection = (XCollection_KeyMessageResult <TKey, TMessage, TResult>) this.dictionaryKeyMessageResult.GetOrAdd(
new Identifier_KeyMessageResult(typeof(TKey), typeof(TMessage), typeof(TResult)),
x => new XCollection_KeyMessageResult <TKey, TMessage, TResult>());
if (collection.CleanupCount++ >= CrossChannelConst.CleanupDictionaryThreshold)
{
lock (collection)
{
collection.CleanupCount = 1;
collection.Cleanup();
}
}
var channel = new XChannel_KeyMessageResult <TKey, TMessage, TResult>(collection, key, weakReference, method);
return(channel);
}
