UA-.NETStandard/Libraries/Opc.Ua.Server/Subscription/MonitoredItem/Queue/MonitoredItemQueueFactory.cs

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 *
 * OPC Foundation MIT License 1.00
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using System;

namespace Opc.Ua.Server
{
    /// <summary>
    /// A factory for <see cref="IDataChangeMonitoredItemQueue"> and </see> <see cref="IEventMonitoredItemQueue"/>
    /// </summary>
    public class MonitoredItemQueueFactory : IMonitoredItemQueueFactory
    {
        /// <inheritdoc/>
        public bool SupportsDurableQueues => false;

        /// <summary>
        /// Create monitored item queue factory
        /// </summary>
        /// <param name="telemetry">The telemetry context to use to create obvservability instruments</param>
        public MonitoredItemQueueFactory(ITelemetryContext telemetry)
        {
            m_telemetry = telemetry;
        }

        /// <inheritdoc/>
        public IDataChangeMonitoredItemQueue CreateDataChangeQueue(
            bool isDurable,
            uint monitoredItemId)
        {
            return new DataChangeMonitoredItemQueue(isDurable, monitoredItemId, m_telemetry);
        }

        /// <inheritdoc/>
        public IEventMonitoredItemQueue CreateEventQueue(bool isDurable, uint monitoredItemId)
        {
            return new EventMonitoredItemQueue(isDurable, monitoredItemId, m_telemetry);
        }

        /// <inheritdoc/>
        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        /// <summary>
        /// Overridable method to dispose of resources.
        /// </summary>
        protected virtual void Dispose(bool disposing)
        {
            //only needed for managed resources
        }

        private readonly ITelemetryContext m_telemetry;
    }
}