33 lines
1023 B
C#
33 lines
1023 B
C#
using PMSWPF.Helper;
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using PMSWPF.Models;
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namespace PMSWPF.Services.Processors;
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public class CheckValueChangedProcessor : IVariableProcessor
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{
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private readonly DataServices _dataServices;
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public CheckValueChangedProcessor(DataServices dataServices)
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{
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_dataServices = dataServices;
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}
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public Task ProcessAsync(VariableContext context)
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{
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Variable newVariable = context.Data;
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if (!_dataServices.AllVariables.TryGetValue(newVariable.Id, out Variable oldVariable))
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{
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NlogHelper.Warn($"检查变量值是否改变时在_dataServices.AllVariables中找不到Id:{newVariable.Id},Name:{newVariable.Name}的变量。");
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context.IsHandled = true;
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return Task.CompletedTask;
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}
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if (newVariable.DataValue == oldVariable.DataValue)
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{
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// 值没有变化，直接完成
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context.IsHandled = true;
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}
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// 在这里处理 context.Data
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return Task.CompletedTask;
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}
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} |