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Marc Schier bd4543e961 ManagedSession, Pluggable Subscription engine, and fluent builder + DI (#3730)
- Add new managed session, wrapping session and providing connection management and failover handling
- Add new Subscription engine that can act as alternative to current engine, but is based on channels with worker tasks
- Add a fluent builder for managed session clients
- Replace NodeCache with LruNodeCache, rename ILruNodeCache and LruNodeCache to INodeCache and NodeCache
- Update migration guide and document new functionality.
2026-05-05 19:09:07 +02:00

56 lines
2.2 KiB
C#

/* ========================================================================
* Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
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* OPC Foundation MIT License 1.00
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using System;
using System.Threading;
namespace Opc.Ua.Client
{
/// <summary>
/// Defines a reconnection policy for ManagedSession.
/// Controls backoff timing, retry limits, and jitter for
/// automatic reconnection attempts.
/// </summary>
public interface IReconnectPolicy
{
/// <summary>
/// Get the delay before the next reconnection attempt.
/// </summary>
/// <param name="attempt">Zero-based attempt number.</param>
/// <param name="ct">Cancellation token.</param>
/// <returns>Delay before next attempt, or null to stop retrying.</returns>
TimeSpan? GetNextDelay(int attempt, CancellationToken ct = default);
/// <summary>
/// Reset the policy state (e.g., after successful reconnection).
/// </summary>
void Reset();
}
}