Skip to content

Fixed GetOrSet redis read. #25

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
aheintz merged 2 commits into from
Oct 28, 2025
Merged

Fixed GetOrSet redis read. #25

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
64a1855
Fixed GetOrSet redis read.
aheintz Oct 28, 2025
3506dca
Changed implementation to avoid feedbackup/notification loop. Thanks …
aheintz Oct 28, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 16 additions & 2 deletions RedisBackedHzCache/RedisBackedHzCache.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -219,7 +219,20 @@ public void Set<T>(string key, T value, TimeSpan ttl)

public T GetOrSet<T>(string key, Func<string, T> valueFactory, TimeSpan ttl, long maxMsToWaitForFactory = 10000)
{
return hzCache.GetOrSet(key, valueFactory, ttl, maxMsToWaitForFactory);
var redisBackedValueFactory = new Func<string, T>(k =>
{
var redisValue = GetRedisValue(k);
if (!redisValue.IsNull)
{
var ttlValue = TTLValue.FromRedisValue<T>(Encoding.ASCII.GetBytes(redisValue.ToString()));
Copy link
Contributor

@JoelNygren-Norce JoelNygren-Norce Oct 28, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

add a HzActivities.Source.StartActivityWithCommonTags so we can see the time here

hzCache.SetRaw(k, ttlValue);
return (T)ttlValue.value;
}

return valueFactory.Invoke(k);
});

return hzCache.GetOrSet(key, redisBackedValueFactory, ttl, maxMsToWaitForFactory);
}

public IList<T> GetOrSetBatch<T>(IList<string> keys, Func<IList<string>, List<KeyValuePair<string, T>>> valueFactory)
Expand All @@ -229,7 +242,8 @@ public IList<T> GetOrSetBatch<T>(IList<string> keys, Func<IList<string>, List<Ke

public IList<T> GetOrSetBatch<T>(IList<string> keys, Func<IList<string>, List<KeyValuePair<string, T>>> valueFactory, TimeSpan ttl)
{
using var activity = HzActivities.Source.StartActivityWithCommonTags(HzActivities.Names.GetOrSetBatch, HzActivities.Area.RedisBackedHzCache, key: string.Join(",", keys ?? new List<string>()));
using var activity = HzActivities.Source.StartActivityWithCommonTags(HzActivities.Names.GetOrSetBatch, HzActivities.Area.RedisBackedHzCache,
key: string.Join(",", keys ?? new List<string>()));
Func<IList<string>, List<KeyValuePair<string, T>>> redisFactory = idList =>
{
// Create a list of redis keys from the list of cache keys
Expand Down
20 changes: 17 additions & 3 deletions RedisBackedHzCache/RedisBackedHzCacheAsync.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,20 @@ public Task SetAsync<T>(string key, T value, TimeSpan ttl)

public Task<T> GetOrSetAsync<T>(string key, Func<string, Task<T>> valueFactory, TimeSpan ttl, long maxMsToWaitForFactory = 10000)
{
return hzCache.GetOrSetAsync(key, valueFactory, ttl, maxMsToWaitForFactory);
var redisBackedValueFactory = new Func<string, Task<T>>(async k =>
{
var redisValue = await GetRedisValueAsync(k).ConfigureAwait(false);
if (!redisValue.IsNull)
Copy link
Contributor

@JoelNygren-Norce JoelNygren-Norce Oct 28, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

add a HzActivities.Source.StartActivityWithCommonTags so we can see the time here

{
var ttlValue = await TTLValue.FromRedisValueAsync<T>(Encoding.ASCII.GetBytes(redisValue.ToString())).ConfigureAwait(false);
hzCache.SetRaw(k, ttlValue);
return (T)ttlValue.value;
}

return await valueFactory.Invoke(k).ConfigureAwait(false);
});

return hzCache.GetOrSetAsync(key, redisBackedValueFactory, ttl, maxMsToWaitForFactory);
}

public Task<IList<T>> GetOrSetBatchAsync<T>(IList<string> keys, Func<IList<string>, Task<List<KeyValuePair<string, T>>>> valueFactory)
Expand All @@ -67,7 +80,8 @@ public Task<IList<T>> GetOrSetBatchAsync<T>(IList<string> keys, Func<IList<strin

public async Task<IList<T>> GetOrSetBatchAsync<T>(IList<string> keys, Func<IList<string>, Task<List<KeyValuePair<string, T>>>> valueFactory, TimeSpan ttl)
{
using var activity = HzActivities.Source.StartActivityWithCommonTags(HzActivities.Names.GetOrSetBatch, HzActivities.Area.RedisBackedHzCache, async: true, key: string.Join(",", keys ?? new List<string>()));
using var activity = HzActivities.Source.StartActivityWithCommonTags(HzActivities.Names.GetOrSetBatch, HzActivities.Area.RedisBackedHzCache, async: true,
key: string.Join(",", keys ?? new List<string>()));
Func<IList<string>, Task<List<KeyValuePair<string, T>>>> redisFactory = async idList =>
{
// Create a list of redis keys from the list of cache keys
Expand Down Expand Up @@ -127,4 +141,4 @@ public Task<bool> RemoveAsync(string key)
return hzCache.RemoveAsync(key);
}
}
}
}
5 changes: 3 additions & 2 deletions UnitTests/IntegrationTests.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -298,10 +298,11 @@ public async Task TestRedisGetOrSet()
var v1 = c1.GetOrSet("1", _ => new Mocko(10), TimeSpan.FromMinutes(1));
Assert.IsNotNull(v1);
Assert.IsTrue(c1.Get<Mocko>("1").num == 10);
await Task.Delay(100);
var c21 = await c2.GetAsync<Mocko>("1");
await Task.Delay(200);
var c21 = await c2.GetOrSetAsync("1", _ => Task.FromResult(new Mocko(20)), TimeSpan.FromMinutes(1));
Assert.IsTrue(c21.num == 10);
Assert.IsTrue(c21.guid != v1.guid);
await c1.RemoveAsync("1");
}


Expand Down
Loading