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git.stella-ops.org/src/__Libraries/StellaOps.Provcache/IProvcacheStore.cs

74 lines
3.1 KiB
C#

namespace StellaOps.Provcache;
/// <summary>
/// Cache store interface for Provcache with read-through semantics.
/// Abstracts the caching layer (Valkey, in-memory, etc.).
/// </summary>
public interface IProvcacheStore
{
/// <summary>
/// Gets the store provider name for diagnostics.
/// </summary>
string ProviderName { get; }
/// <summary>
/// Gets a cache entry by VeriKey.
/// </summary>
/// <param name="veriKey">The cache key.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Cache result indicating hit/miss with the entry if found.</returns>
ValueTask<ProvcacheLookupResult> GetAsync(string veriKey, CancellationToken cancellationToken = default);
/// <summary>
/// Gets multiple cache entries by VeriKeys.
/// </summary>
/// <param name="veriKeys">The cache keys.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Dictionary of found entries and list of misses.</returns>
ValueTask<ProvcacheBatchLookupResult> GetManyAsync(
IEnumerable<string> veriKeys,
CancellationToken cancellationToken = default);
/// <summary>
/// Sets a cache entry.
/// </summary>
/// <param name="entry">The cache entry to set.</param>
/// <param name="cancellationToken">Cancellation token.</param>
ValueTask SetAsync(ProvcacheEntry entry, CancellationToken cancellationToken = default);
/// <summary>
/// Sets multiple cache entries in a batch.
/// </summary>
/// <param name="entries">The cache entries to set.</param>
/// <param name="cancellationToken">Cancellation token.</param>
ValueTask SetManyAsync(IEnumerable<ProvcacheEntry> entries, CancellationToken cancellationToken = default);
/// <summary>
/// Invalidates a cache entry by VeriKey.
/// </summary>
/// <param name="veriKey">The cache key.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>True if the entry existed and was invalidated.</returns>
ValueTask<bool> InvalidateAsync(string veriKey, CancellationToken cancellationToken = default);
/// <summary>
/// Invalidates entries matching a key pattern.
/// </summary>
/// <param name="pattern">The key pattern (supports wildcards).</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Number of entries invalidated.</returns>
ValueTask<long> InvalidateByPatternAsync(string pattern, CancellationToken cancellationToken = default);
/// <summary>
/// Gets or sets a cache entry using a factory function for cache misses.
/// </summary>
/// <param name="veriKey">The cache key.</param>
/// <param name="factory">Factory function to create the entry on cache miss.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>The cached or newly created entry.</returns>
ValueTask<ProvcacheEntry> GetOrSetAsync(
string veriKey,
Func<CancellationToken, ValueTask<ProvcacheEntry>> factory,
CancellationToken cancellationToken = default);
}