Files
ParkingRobot/ClumsyPilot/ParkrobTrajplanner/TrajectoryExecution/PlanningCycleIdentity.cs
T

76 lines
3.0 KiB
C#

using System;
namespace MultiWheelC.TrajectoryPlanning.EMPlanner;
/// <summary>Immutable identity bound to one rolling planning cycle.</summary>
public sealed class PlanningCycleIdentity : IEquatable<PlanningCycleIdentity>
{
public PlanningCycleIdentity(long mapSnapshotId, string referencePathId, long vehicleStateSequenceId,
string previousTrajectoryId, int segmentIndex)
{
if (mapSnapshotId < 0)
throw new ArgumentOutOfRangeException(nameof(mapSnapshotId));
if (string.IsNullOrWhiteSpace(referencePathId))
throw new ArgumentException("A reference path ID is required.", nameof(referencePathId));
if (vehicleStateSequenceId < 0)
throw new ArgumentOutOfRangeException(nameof(vehicleStateSequenceId));
if (segmentIndex < 0)
throw new ArgumentOutOfRangeException(nameof(segmentIndex));
MapSnapshotId = mapSnapshotId;
ReferencePathId = referencePathId;
VehicleStateSequenceId = vehicleStateSequenceId;
PreviousTrajectoryId = previousTrajectoryId ?? string.Empty;
SegmentIndex = segmentIndex;
}
public long MapSnapshotId { get; }
public string ReferencePathId { get; }
public long VehicleStateSequenceId { get; }
public string PreviousTrajectoryId { get; }
public int SegmentIndex { get; }
public static PlanningCycleIdentity FromRequest(EmPlanningRequest request)
{
if (request == null)
throw new ArgumentNullException(nameof(request));
if (request.Map == null)
throw new ArgumentException("A planning map is required for a rolling cycle.", nameof(request));
if (request.VehicleState == null)
throw new ArgumentException("A vehicle state is required for a rolling cycle.", nameof(request));
return new PlanningCycleIdentity(request.Map.SnapshotId, request.ReferencePathId,
request.VehicleState.SequenceId, request.PreviousTrajectoryId, request.SegmentIndex);
}
public bool Equals(PlanningCycleIdentity other)
{
return other != null && MapSnapshotId == other.MapSnapshotId &&
string.Equals(ReferencePathId, other.ReferencePathId, StringComparison.Ordinal) &&
VehicleStateSequenceId == other.VehicleStateSequenceId &&
string.Equals(PreviousTrajectoryId, other.PreviousTrajectoryId, StringComparison.Ordinal) &&
SegmentIndex == other.SegmentIndex;
}
public override bool Equals(object obj)
{
return Equals(obj as PlanningCycleIdentity);
}
public override int GetHashCode()
{
unchecked
{
int hash = MapSnapshotId.GetHashCode();
hash = (hash * 397) ^ StringComparer.Ordinal.GetHashCode(ReferencePathId);
hash = (hash * 397) ^ VehicleStateSequenceId.GetHashCode();
hash = (hash * 397) ^ StringComparer.Ordinal.GetHashCode(PreviousTrajectoryId);
return (hash * 397) ^ SegmentIndex;
}
}
}