forked from ddrilling/AsbCloudServer
71 lines
2.7 KiB
C#
71 lines
2.7 KiB
C#
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using AsbCloudDb.Model;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace AsbCloudInfrastructure.Services.DetectOperations
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{
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#nullable enable
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abstract class DetectorAbstract
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{
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/* ## Концепт определения операций
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* Есть словарь детекторов.
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* Определить начальную позицию архива.
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* Пройти детекторами до конца архива.
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* Каждый детектор на небольшому фрагменту определяет начало операции.
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* При нахождении начала ищет конец и смещает положение поиска
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*/
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public int StepLength { get; set; } = 3;
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public int FragmentLength { get; set; } = 6;
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public int IdOperationType { get; }
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public string OperationName { get; }
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// TODO: assert MaxDurationSeconds and MinDurationSeconds
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public double MaxDurationSeconds { get; } = 31 * 24 * 60 * 60;
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public double MinDurationSeconds { get; } = 3;
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public DetectorAbstract(int idType, string operationName)
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{
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IdOperationType = idType;
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OperationName = operationName;
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}
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public virtual DetectedOperation? DetectOrDefault(DetectableTelemetry[] telemetry, ref int position)
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{
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if ((telemetry.Length > position + FragmentLength + StepLength) && DetectStart(telemetry, position))
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{
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var skip = position + StepLength;
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while (telemetry.Length > skip + FragmentLength)
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{
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if (DetectEnd(telemetry, skip))
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{
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var result = new DetectedOperation
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{
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IdType = IdOperationType,
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IdUsersAtStart = telemetry[position].IdUser ?? -1,
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Begin = telemetry[position].DateTime,
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End = telemetry[skip].DateTime,
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BeginWellDepth = telemetry[position].WellDepth ?? -1d,
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EndWellDepth = telemetry[skip].WellDepth ?? -1d,
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};
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position = skip + FragmentLength;
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return result;
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}
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skip = skip + StepLength;
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}
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}
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return null;
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}
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protected abstract bool DetectStart(DetectableTelemetry[] telemetry, int position);
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protected abstract bool DetectEnd(DetectableTelemetry[] telemetry, int position);
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}
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#nullable disable
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}
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