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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace DotPulsar.Extensions;
using DotPulsar.Abstractions;
using DotPulsar.Internal;
using System;
using System.Threading;
using System.Threading.Tasks;
/// <summary>
/// Extensions for IReaderBuilder.
/// </summary>
public static class ReaderBuilderExtensions
{
/// <summary>
/// Register a state changed handler.
/// </summary>
public static IReaderBuilder<TMessage> StateChangedHandler<TMessage>(
this IReaderBuilder<TMessage> builder,
Action<ReaderStateChanged> handler)
{
void forwarder(ReaderStateChanged readerStateChanged, CancellationToken _) => handler(readerStateChanged);
builder.StateChangedHandler(new ActionStateChangedHandler<ReaderStateChanged>(forwarder, default));
return builder;
}
/// <summary>
/// Register a state changed handler.
/// </summary>
public static IReaderBuilder<TMessage> StateChangedHandler<TMessage>(
this IReaderBuilder<TMessage> builder,
Action<ReaderStateChanged, CancellationToken> handler,
CancellationToken cancellationToken = default)
{
builder.StateChangedHandler(new ActionStateChangedHandler<ReaderStateChanged>(handler, cancellationToken));
return builder;
}
/// <summary>
/// Register a state changed handler.
/// </summary>
public static IReaderBuilder<TMessage> StateChangedHandler<TMessage>(
this IReaderBuilder<TMessage> builder,
Func<ReaderStateChanged, CancellationToken, ValueTask> handler,
CancellationToken cancellationToken = default)
{
builder.StateChangedHandler(new FuncStateChangedHandler<ReaderStateChanged>(handler, cancellationToken));
return builder;
}
}