11937278774

Committed 20 Nov 2024 04:10PM CUT coverage: 59.17% (-0.1%) from 59.302%

Build # 11937278774

Build Type

push

github

Committed by

pwelter34

Commit Message

make HybridCache optional

Run Details

389 of 745 branches covered (52.21%)

Branch coverage included in aggregate %.

0 of 6 new or added lines in 2 files covered. (0.0%)

1 existing line in 1 file now uncovered.

1208 of 1954 relevant lines covered (61.82%)

19.52 hits per line

Source File
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0.0

/src/MediatR.CommandQuery/Behaviors/DistributedCacheQueryBehavior.cs

using MediatR.CommandQuery.Definitions;

using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Logging;

namespace MediatR.CommandQuery.Behaviors;

public partial class DistributedCacheQueryBehavior<TRequest, TResponse> : PipelineBehaviorBase<TRequest, TResponse>
    where TRequest : class, IRequest<TResponse>
{
    private readonly IDistributedCache _distributedCache;
    private readonly IDistributedCacheSerializer _distributedCacheSerializer;

    public DistributedCacheQueryBehavior(
        ILoggerFactory loggerFactory,
        IDistributedCache distributedCache,
        IDistributedCacheSerializer distributedCacheSerializer)
        : base(loggerFactory)
    {
        ArgumentNullException.ThrowIfNull(distributedCache);
        ArgumentNullException.ThrowIfNull(distributedCacheSerializer);

        _distributedCache = distributedCache;
        _distributedCacheSerializer = distributedCacheSerializer;
    }

    protected override async Task<TResponse> Process(
        TRequest request,
        RequestHandlerDelegate<TResponse> next,
        CancellationToken cancellationToken)
    {
        ArgumentNullException.ThrowIfNull(request);
        ArgumentNullException.ThrowIfNull(next);

        // cache only if implements interface
        var cacheRequest = request as ICacheResult;
        if (cacheRequest?.IsCacheable() != true)
            return await next().ConfigureAwait(false);

        var cacheKey = cacheRequest.GetCacheKey();

        // check cache
        var cachedBuffer = await _distributedCache
            .GetAsync(cacheKey, cancellationToken)
            .ConfigureAwait(false);

        if (cachedBuffer != null)
        {
            var cachedItem = await _distributedCacheSerializer
                .FromByteArrayAsync<TResponse>(cachedBuffer)
                .ConfigureAwait(false);

            LogCacheAction(Logger, "Hit", cacheKey);

            return cachedItem;
        }

        LogCacheAction(Logger, "Miss", cacheKey);

        // continue if not found in cache
        var result = await next().ConfigureAwait(false);
        if (result == null)
            return result;

        // save to cache
        var itemBuffer = await _distributedCacheSerializer
            .ToByteArrayAsync(result)
            .ConfigureAwait(false);

        var options = new DistributedCacheEntryOptions
        {
            SlidingExpiration = cacheRequest.SlidingExpiration(),
            AbsoluteExpiration = cacheRequest.AbsoluteExpiration(),

        };

        await _distributedCache
            .SetAsync(cacheKey, itemBuffer, options, cancellationToken)
            .ConfigureAwait(false);

        LogCacheAction(Logger, "Insert", cacheKey);

        return result;
    }

    [LoggerMessage(1, LogLevel.Trace, "Cache {Action}; Key: '{CacheKey}'")]
    static partial void LogCacheAction(ILogger logger, string action, string cacheKey);

}

1	using MediatR.CommandQuery.Definitions;
2
3	using Microsoft.Extensions.Caching.Distributed;
4	using Microsoft.Extensions.Logging;
5
6	namespace MediatR.CommandQuery.Behaviors;
7
8	public partial class DistributedCacheQueryBehavior<TRequest, TResponse> : PipelineBehaviorBase<TRequest, TResponse>
9	where TRequest : class, IRequest<TResponse>
10	{
11	private readonly IDistributedCache _distributedCache;
12	private readonly IDistributedCacheSerializer _distributedCacheSerializer;
13
14	public DistributedCacheQueryBehavior(
15	ILoggerFactory loggerFactory,
16	IDistributedCache distributedCache,
17	IDistributedCacheSerializer distributedCacheSerializer)
18	: base(loggerFactory)	×
19	{
20	ArgumentNullException.ThrowIfNull(distributedCache);	×
21	ArgumentNullException.ThrowIfNull(distributedCacheSerializer);	×
22
23	_distributedCache = distributedCache;	×
24	_distributedCacheSerializer = distributedCacheSerializer;	×
25	}	×
26
27	protected override async Task<TResponse> Process(
28	TRequest request,
29	RequestHandlerDelegate<TResponse> next,
30	CancellationToken cancellationToken)
31	{
32	ArgumentNullException.ThrowIfNull(request);	×
33	ArgumentNullException.ThrowIfNull(next);	×
34
35	// cache only if implements interface
36	var cacheRequest = request as ICacheResult;	×
37	if (cacheRequest?.IsCacheable() != true)	×
38	return await next().ConfigureAwait(false);	×
39
40	var cacheKey = cacheRequest.GetCacheKey();	×
41
42	// check cache
43	var cachedBuffer = await _distributedCache	×
44	.GetAsync(cacheKey, cancellationToken)	×
45	.ConfigureAwait(false);	×
46
47	if (cachedBuffer != null)	×
48	{
49	var cachedItem = await _distributedCacheSerializer	×
50	.FromByteArrayAsync<TResponse>(cachedBuffer)	×
51	.ConfigureAwait(false);	×
52
53	LogCacheAction(Logger, "Hit", cacheKey);	×
54
55	return cachedItem;	×
56	}
57
58	LogCacheAction(Logger, "Miss", cacheKey);	×
59
60	// continue if not found in cache
61	var result = await next().ConfigureAwait(false);	×
62	if (result == null)	×
63	return result;	×
64
65	// save to cache
66	var itemBuffer = await _distributedCacheSerializer	×
67	.ToByteArrayAsync(result)	×
68	.ConfigureAwait(false);	×
69
70	var options = new DistributedCacheEntryOptions	×
71	{	×
72	SlidingExpiration = cacheRequest.SlidingExpiration(),	×
73	AbsoluteExpiration = cacheRequest.AbsoluteExpiration(),	×
74		×
75	};	×
76
77	await _distributedCache	×
78	.SetAsync(cacheKey, itemBuffer, options, cancellationToken)	×
79	.ConfigureAwait(false);	×
80
81	LogCacheAction(Logger, "Insert", cacheKey);	×
82
83	return result;	×
84	}	×
85
86	[LoggerMessage(1, LogLevel.Trace, "Cache {Action}; Key: '{CacheKey}'")]
87	static partial void LogCacheAction(ILogger logger, string action, string cacheKey);
88
89	}

loresoft / MediatR.CommandQuery / 11937278774

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