Files
UnrealEngine/Engine/Source/Programs/Shared/EpicGames.Redis/RedisSortedSetKey.cs
2025-05-18 13:04:45 +08:00

373 lines
17 KiB
C#

// Copyright Epic Games, Inc. All Rights Reserved.
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using EpicGames.Core;
using StackExchange.Redis;
namespace EpicGames.Redis
{
/// <summary>
/// Represents a typed Redis sorted set with a given key
/// </summary>
/// <typeparam name="TElement">The type of element stored in the set</typeparam>
public record struct RedisSortedSetKey<TElement>(RedisKey Inner) : IRedisTypedKey
{
/// <summary>
/// Implicit conversion to typed redis key.
/// </summary>
/// <param name="key">Key to convert</param>
public static implicit operator RedisSortedSetKey<TElement>(string key) => new RedisSortedSetKey<TElement>(new RedisKey(key));
}
/// <summary>
/// Typed implementation of <see cref="SortedSetEntry"/>
/// </summary>
/// <typeparam name="T">The element type</typeparam>
public readonly struct SortedSetEntry<T> : IEquatable<SortedSetEntry<T>>, IComparable, IComparable<SortedSetEntry<T>>
{
/// <summary>
/// Accessor for the element type
/// </summary>
public readonly T Element { get; }
/// <summary>
/// The encoded element value
/// </summary>
public readonly RedisValue ElementValue { get; }
/// <summary>
/// Score for the entry
/// </summary>
public readonly double Score { get; }
/// <summary>
/// Constructor
/// </summary>
/// <param name="entry"></param>
public SortedSetEntry(SortedSetEntry entry)
{
Element = RedisSerializer.Deserialize<T>(entry.Element)!;
ElementValue = entry.Element;
Score = entry.Score;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="element"></param>
/// <param name="score"></param>
public SortedSetEntry(T element, double score)
{
Element = element;
ElementValue = RedisSerializer.Serialize<T>(element);
Score = score;
}
/// <summary>
/// Deconstruct this item into a tuple
/// </summary>
/// <param name="outElement"></param>
/// <param name="outScore"></param>
public void Deconstruct(out T outElement, out double outScore)
{
outElement = Element;
outScore = Score;
}
/// <inheritdoc/>
public override bool Equals(object? obj)
=> obj is SortedSetEntry ssObj && Equals(ssObj);
/// <inheritdoc/>
public override int GetHashCode()
=> HashCode.Combine(Score, Element);
/// <inheritdoc/>
public bool Equals(SortedSetEntry<T> other)
=> Score == other.Score && Equals(Element, other.Element);
/// <inheritdoc/>
public int CompareTo(SortedSetEntry<T> other)
=> Score.CompareTo(other.Score);
/// <inheritdoc/>
public int CompareTo(object? obj)
=> obj is SortedSetEntry<T> ssObj ? CompareTo(ssObj) : -1;
/// <inheritdoc/>
public static bool operator ==(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> a.Equals(b);
/// <inheritdoc/>
public static bool operator !=(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> !a.Equals(b);
/// <inheritdoc/>
public static bool operator <=(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> a.CompareTo(b) <= 0;
/// <inheritdoc/>
public static bool operator <(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> a.CompareTo(b) < 0;
/// <inheritdoc/>
public static bool operator >=(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> a.CompareTo(b) >= 0;
/// <inheritdoc/>
public static bool operator >(SortedSetEntry<T> a, SortedSetEntry<T> b)
=> a.CompareTo(b) > 0;
}
/// <summary>
/// Extension methods for sets
/// </summary>
public static class RedisSortedSetKeyExtensions
{
#region Conditions
/// <inheritdoc cref="Condition.SortedSetContains(RedisKey, RedisValue)"/>
public static Condition SortedSetContains<TElement>(this RedisSortedSetKey<TElement> key, TElement value)
=> Condition.SortedSetContains(key.Inner, RedisSerializer.Serialize(value));
/// <inheritdoc cref="Condition.SortedSetEqual(RedisKey, RedisValue, RedisValue)"/>
public static Condition SortedSetEqual<TElement>(this RedisSortedSetKey<TElement> key, TElement value, RedisValue score)
=> Condition.SortedSetEqual(key.Inner, RedisSerializer.Serialize(value), score);
/// <inheritdoc cref="Condition.SortedSetLengthEqual(RedisKey, Int64)"/>
public static Condition SortedSetLengthEqual<TElement>(this RedisSortedSetKey<TElement> key, long length)
=> Condition.SortedSetLengthEqual(key.Inner, length);
/// <inheritdoc cref="Condition.SortedSetLengthGreaterThan(RedisKey, Int64)"/>
public static Condition SortedSetLengthGreaterThan<TElement>(this RedisSortedSetKey<TElement> key, long length)
=> Condition.SortedSetLengthGreaterThan(key.Inner, length);
/// <inheritdoc cref="Condition.SortedSetLengthLessThan(RedisKey, Int64)"/>
public static Condition SortedSetLengthLessThan<TElement>(this RedisSortedSetKey<TElement> key, long length)
=> Condition.SortedSetLengthLessThan(key.Inner, length);
/// <inheritdoc cref="Condition.SortedSetNotContains(RedisKey, RedisValue)"/>
public static Condition SortedSetNotContains<TElement>(this RedisSortedSetKey<TElement> key, TElement value)
=> Condition.SortedSetNotContains(key.Inner, RedisSerializer.Serialize(value));
/// <inheritdoc cref="Condition.SortedSetNotEqual(RedisKey, RedisValue, RedisValue)"/>
public static Condition SortedSetNotEqual<TElement>(this RedisSortedSetKey<TElement> key, TElement value, RedisValue score)
=> Condition.SortedSetNotEqual(key.Inner, RedisSerializer.Serialize(value), score);
/// <inheritdoc cref="Condition.SortedSetScoreExists(RedisKey, RedisValue)"/>
public static Condition SortedSetScoreExists<TElement>(this RedisSortedSetKey<TElement> key, RedisValue score)
=> Condition.SortedSetScoreExists(key.Inner, score);
/// <inheritdoc cref="Condition.SortedSetScoreExists(RedisKey, RedisValue, RedisValue)"/>
public static Condition SortedSetScoreExists<TElement>(this RedisSortedSetKey<TElement> key, RedisValue score, RedisValue count)
=> Condition.SortedSetScoreExists(key.Inner, score, count);
#endregion
#region SortedSetAddAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetAddAsync(RedisKey, RedisValue, Double, CommandFlags)"/>
public static Task<bool> SortedSetAddAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement value, double score, SortedSetWhen when = SortedSetWhen.Always, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetAddAsync(key.Inner, RedisSerializer.Serialize(value), score, when, flags);
}
/// <inheritdoc cref="IDatabaseAsync.SortedSetAddAsync(RedisKey, RedisValue, Double, When, CommandFlags)"/>
public static Task<long> SortedSetAddAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, SortedSetEntry<TElement>[] values, SortedSetWhen when = SortedSetWhen.Always, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetAddAsync(key.Inner, values.ConvertAll(x => new SortedSetEntry(x.ElementValue, x.Score)), when, flags);
}
#endregion
#region SortedSetLengthAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetLengthAsync(RedisKey, Double, Double, Exclude, CommandFlags)"/>
public static Task<long> SortedSetLengthAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, double min = Double.NegativeInfinity, double max = Double.PositiveInfinity, Exclude exclude = Exclude.None, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetLengthAsync(key.Inner, min, max, exclude, flags);
}
#endregion
#region SortedSetLengthByValueAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetLengthByValueAsync(RedisKey, RedisValue, RedisValue, Exclude, CommandFlags)"/>
public static Task<long> SortedSetLengthByValueAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement min, TElement max, Exclude exclude = Exclude.None, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetLengthByValueAsync(key.Inner, RedisSerializer.Serialize(min), RedisSerializer.Serialize(max), exclude, flags);
}
#endregion
#region SortedSetRandomMemberAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRandomMemberAsync(RedisKey, CommandFlags)"/>
public static Task<TElement> SortedSetRandomMemberAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRandomMemberAsync(key.Inner, flags).DeserializeAsync<TElement>();
}
#endregion
#region SortedSetRandomMembersAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRandomMemberAsync(RedisKey, CommandFlags)"/>
public static Task<TElement[]> SortedSetRandomMembersAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, long count, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRandomMembersAsync(key.Inner, count, flags).DeserializeAsync<TElement>();
}
#endregion
#region SortedSetRangeByRankAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRangeByRankAsync(RedisKey, Int64, Int64, Order, CommandFlags)"/>
public static Task<TElement[]> SortedSetRangeByRankAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, long start = 0, long stop = -1, Order order = Order.Ascending, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRangeByRankAsync(key.Inner, start, stop, order, flags).DeserializeAsync<TElement>();
}
#endregion
#region SortedSetRangeByRankWithScoresAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRangeByRankWithScoresAsync(RedisKey, Int64, Int64, Order, CommandFlags)"/>
public static async Task<SortedSetEntry<TElement>[]> SortedSetRangeByRankWithScoresAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, long start = 0, long stop = -1, Order order = Order.Ascending, CommandFlags flags = CommandFlags.None)
{
SortedSetEntry[] values = await target.SortedSetRangeByRankWithScoresAsync(key.Inner, start, stop, order, flags);
return Array.ConvertAll(values, x => new SortedSetEntry<TElement>(x));
}
#endregion
#region SortedSetRangeByScoreAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRangeByScoreAsync(RedisKey, Double, Double, Exclude, Order, Int64, Int64, CommandFlags)"/>
public static Task<TElement[]> SortedSetRangeByScoreAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, double start = Double.NegativeInfinity, double stop = Double.PositiveInfinity, Exclude exclude = Exclude.None, Order order = Order.Ascending, long skip = 0L, long take = -1L, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRangeByScoreAsync(key.Inner, start, stop, exclude, order, skip, take, flags).DeserializeAsync<TElement>();
}
#endregion
#region SortedSetRangeByScoreWithScoresAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRangeByScoreWithScoresAsync(RedisKey, Double, Double, Exclude, Order, Int64, Int64, CommandFlags)"/>
public static async Task<SortedSetEntry<TElement>[]> SortedSetRangeByScoreWithScoresAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, double start = Double.NegativeInfinity, double stop = Double.PositiveInfinity, Exclude exclude = Exclude.None, Order order = Order.Ascending, long skip = 0L, long take = -1L, CommandFlags flags = CommandFlags.None)
{
SortedSetEntry[] values = await target.SortedSetRangeByScoreWithScoresAsync(key.Inner, start, stop, exclude, order, skip, take, flags);
return Array.ConvertAll(values, x => new SortedSetEntry<TElement>(x));
}
#endregion
#region SortedSetRangeByValueAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRangeByValueAsync(RedisKey, RedisValue, RedisValue, Exclude, Order, Int64, Int64, CommandFlags)"/>
public static Task<TElement[]> SortedSetRangeByValueAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement min, TElement max, Exclude exclude = Exclude.None, Order order = Order.Ascending, long skip = 0L, long take = -1L, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRangeByValueAsync(key.Inner, RedisSerializer.Serialize(min), RedisSerializer.Serialize(max), exclude, order, skip, take, flags).DeserializeAsync<TElement>();
}
#endregion
#region SortedSetRankAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRankAsync(RedisKey, RedisValue, Order, CommandFlags)"/>
public static Task<long?> SortedSetRankAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement item, Order order = Order.Ascending, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRankAsync(key.Inner, RedisSerializer.Serialize(item), order, flags);
}
#endregion
#region SortedSetRemoveAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRemoveAsync(RedisKey, RedisValue, CommandFlags)"/>
public static Task<bool> SortedSetRemoveAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement value, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRemoveAsync(key.Inner, RedisSerializer.Serialize(value), flags);
}
/// <inheritdoc cref="IDatabaseAsync.SortedSetRemoveAsync(RedisKey, RedisValue[], CommandFlags)"/>
public static Task<long> SortedSetRemoveAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement[] values, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRemoveAsync(key.Inner, RedisSerializer.Serialize(values), flags);
}
#endregion
#region SortedSetRemoveRangeByRankAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRemoveRangeByRankAsync(RedisKey, Int64, Int64, CommandFlags)"/>
public static Task<long> SortedSetRemoveRangeByRankAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, long start, long stop, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRemoveRangeByRankAsync(key.Inner, start, stop, flags);
}
#endregion
#region SortedSetRemoveRangeByScoreAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRemoveRangeByScoreAsync(RedisKey, Double, Double, Exclude, CommandFlags)"/>
public static Task<long> SortedSetRemoveRangeByScoreAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, double start, double stop, Exclude exclude = Exclude.None, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRemoveRangeByScoreAsync(key.Inner, start, stop, exclude, flags);
}
#endregion
#region SortedSetRemoveRangeByValueAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetRemoveRangeByValueAsync(RedisKey, RedisValue, RedisValue, Exclude, CommandFlags)"/>
public static Task<long> SortedSetRemoveRangeByValueAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement min, TElement max, Exclude exclude = Exclude.None, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetRemoveRangeByValueAsync(key.Inner, RedisSerializer.Serialize(min), RedisSerializer.Serialize(max), exclude, flags);
}
#endregion
#region SortedSetScanAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetScanAsync(RedisKey, RedisValue, Int32, Int64, Int32, CommandFlags)"/>
public static async IAsyncEnumerable<SortedSetEntry<TElement>> SortedSetScanAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, RedisValue pattern = default, int pageSize = 250, long cursor = 0, int pageOffset = 0, CommandFlags flags = CommandFlags.None)
{
await foreach (SortedSetEntry entry in target.SortedSetScanAsync(key.Inner, pattern, pageSize, cursor, pageOffset, flags))
{
yield return new SortedSetEntry<TElement>(entry);
}
}
#endregion
#region SortedSetScoreAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetScoreAsync(RedisKey, RedisValue, CommandFlags)"/>
public static Task<double?> SortedSetScoreAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement member, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetScoreAsync(key.Inner, RedisSerializer.Serialize(member), flags);
}
#endregion
#region SortedSetUpdateAsync
/// <inheritdoc cref="IDatabaseAsync.SortedSetUpdateAsync(RedisKey, RedisValue, Double, SortedSetWhen, CommandFlags)"/>
public static Task<bool> SortedSetUpdateAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, TElement member, double score, SortedSetWhen when = SortedSetWhen.Always, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetUpdateAsync(key.Inner, RedisSerializer.Serialize(member), score, when, flags);
}
/// <inheritdoc cref="IDatabaseAsync.SortedSetUpdateAsync(RedisKey, RedisValue, Double, SortedSetWhen, CommandFlags)"/>
public static Task<long> SortedSetUpdateAsync<TElement>(this IDatabaseAsync target, RedisSortedSetKey<TElement> key, SortedSetEntry<TElement>[] values, SortedSetWhen when = SortedSetWhen.Always, CommandFlags flags = CommandFlags.None)
{
return target.SortedSetUpdateAsync(key.Inner, values.ConvertAll(x => new SortedSetEntry(RedisSerializer.Serialize(x.Element), x.Score)), when, flags);
}
#endregion
}
}