ContractAction.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Content.Xml;
using Waher.Persistence.Attributes;
using Waher.Service.IoTBroker.StateMachines.Model.Actions.Runtime;
using Waher.Service.IoTBroker.StateMachines.Model.Attributes;
 
namespace Waher.Service.IoTBroker.StateMachines.Model.Actions.Contracts
{
    public abstract class ContractAction : ActionWithReasonNode
    {
        private ScriptableStringAttribute contractId;
 
        public ContractAction()
            : base()
        {
        }
 
        [DefaultValueNull]
        public string ContractIdDefinition
        {
            get => this.contractId?.Definition;
            set => this.contractId = new ScriptableStringAttribute(value, this);
        }
 
        public override async Task Parse(XmlElement Xml)
        {
            this.contractId = new ScriptableStringAttribute(XML.Attribute(Xml, "contractId"), this);
 
            await base.Parse(Xml);
        }
 
        public override sealed async Task Execute(EvaluationArguments Arguments, string Reason)
        {
            string ContractId = await this.contractId.Evaluate(Arguments.Variables);
 
            await this.Execute(Arguments, Reason, ContractId);
        }
 
        public abstract Task Execute(EvaluationArguments Arguments, string Reason, string ContractId);
    }
}