34 lines
1.1 KiB
C#
34 lines
1.1 KiB
C#
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using System.Diagnostics.CodeAnalysis;
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using SQLite;
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namespace Backend.Model.Relations;
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public abstract class Relation<L,R>
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{
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[PrimaryKey, AutoIncrement]
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[Obsolete("Do not use for any business logic")]
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public Int64 Id { get; set; }
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[Ignore] protected L Left { get; set; } = default!;
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[Ignore] protected R Right { get; set; } = default!;
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protected Boolean Equals(Relation<L, R> other)
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{
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return EqualityComparer<L>.Default.Equals(Left, other.Left)
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&& EqualityComparer<R>.Default.Equals(Right, other.Right);
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}
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public override Boolean Equals(Object? obj)
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{
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if (ReferenceEquals(null, obj)) return false;
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if (ReferenceEquals(this, obj)) return true;
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return obj.GetType() == GetType() && Equals((Relation<L, R>)obj);
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}
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[SuppressMessage("ReSharper", "NonReadonlyMemberInGetHashCode")]
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public override Int32 GetHashCode() => HashCode.Combine(Left, Right);
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public static Boolean operator ==(Relation<L, R>? left, Relation<L, R>? right) => Equals(left, right);
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public static Boolean operator !=(Relation<L, R>? left, Relation<L, R>? right) => !Equals(left, right);
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}
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