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//  Copyright Microsoft Corporation
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
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//  http://www.apache.org/licenses/LICENSE-2.0
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namespace DurableTask.Core
{
    using System.Runtime.Serialization;
    using DurableTask.Core.History;

    /// <summary>
    /// Wire level transport object for task messages containing events and orchestration instance information
    /// </summary>
    [DataContract]
    public class TaskMessage : IExtensibleDataObject
    {
        /// <summary>
        /// Event information for this task message
        /// </summary>
        [DataMember]
        public HistoryEvent Event { get; set; }

        /// <summary>
        /// Sequence number for ordering of messages in history tracking
        /// </summary>
        [DataMember]
        public long SequenceNumber { get; set; }

        /// <summary>
        /// The orchestration instance information
        /// </summary>
        [DataMember]
        public OrchestrationInstance OrchestrationInstance { get; set; }

        /// <summary>
        /// Implementation for <see cref="IExtensibleDataObject.ExtensionData"/>.
        /// </summary>
        public ExtensionDataObject ExtensionData { get; set; }
    }
}