OnContractSignature.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Content.Xml;
using Waher.Persistence.Attributes;
using Waher.Service.IoTBroker.StateMachines.EventHandlers;
using Waher.Service.IoTBroker.StateMachines.Model.Attributes;
using Waher.Service.IoTBroker.StateMachines.Model.States;
 
namespace Waher.Service.IoTBroker.StateMachines.Model.Events
{
    public class OnContractSignature : ContractEventNode
    {
        private ScriptableStringAttribute legalIdVariable;
        private ScriptableStringAttribute roleVariable;
 
        public OnContractSignature()
            : base()
        {
        }
 
        [DefaultValueNull]
        public string LegalIdVariableDefinition
        {
            get => this.legalIdVariable?.Definition;
            set => this.legalIdVariable = new ScriptableStringAttribute(value, this);
        }
 
        [DefaultValueNull]
        public string RoleVariableDefinition
        {
            get => this.roleVariable?.Definition;
            set => this.roleVariable = new ScriptableStringAttribute(value, this);
        }
 
        public override string LocalName => nameof(OnContractSignature);
 
        public override IStateMachineNode Create()
        {
            return new OnContractSignature();
        }
 
        public override Task Parse(XmlElement Xml)
        {
            this.legalIdVariable = new ScriptableStringAttribute(XML.Attribute(Xml, "legalIdVariable"), this);
            this.roleVariable = new ScriptableStringAttribute(XML.Attribute(Xml, "roleVariable"), this);
 
            return base.Parse(Xml);
        }
 
        public override async Task<EventHandlerReference> Register(int EventIndex, EvaluationArguments Arguments, OnEvent Event)
        {
            string LegalIdVariable = await this.legalIdVariable.Evaluate(Arguments.Variables);
            string RoleVariable = await this.roleVariable.Evaluate(Arguments.Variables);
 
            return await base.Register(EventIndex,Arguments, LegalIdVariable, RoleVariable);
        }
    }
}