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Introduce pluggable snapshot storage for persistence

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This commit is contained in:
Jacob Dubin
2026-05-17 07:02:49 -05:00
parent 785dc2b48b
commit 888f472f69
5 changed files with 67 additions and 8 deletions
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7
OpenJibo/src/Jibo.Cloud/dotnet/src/Jibo.Cloud.Infrastructure/Persistence/ISnapshotStore.cs Normal file
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@@ -0,0 +1,7 @@
namespace Jibo.Cloud.Infrastructure.Persistence;
public interface ISnapshotStore
{
TSnapshot? Load<TSnapshot>() where TSnapshot : class;
void Save<TSnapshot>(TSnapshot snapshot) where TSnapshot : class;
}

9
OpenJibo/src/Jibo.Cloud/dotnet/src/Jibo.Cloud.Infrastructure/Persistence/InMemoryCloudStateStore.cs
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@@ -18,7 +18,7 @@ public sealed class InMemoryCloudStateStore : ICloudStateStore
private readonly ConcurrentDictionary<string, CloudSession> _sessionsByToken = new(StringComparer.OrdinalIgnoreCase);
private readonly ConcurrentDictionary<string, string> _symmetricKeys = new(StringComparer.OrdinalIgnoreCase);
private readonly ConcurrentDictionary<string, KeyRequestRecord> _keyRequests = new(StringComparer.OrdinalIgnoreCase);
private readonly JsonSnapshotStore _snapshotStore;
private readonly ISnapshotStore _snapshotStore;
private readonly Lock _syncRoot = new();
private readonly List<UpdateManifest> _updates;
private readonly List<MediaRecord> _media = [];
@@ -32,8 +32,13 @@ public sealed class InMemoryCloudStateStore : ICloudStateStore
private DateTimeOffset? _lastSavedUtc;
public InMemoryCloudStateStore(string? persistencePath = null)
: this(new JsonFileSnapshotStore(persistencePath, PersistenceJsonOptions))
{
_snapshotStore = new JsonSnapshotStore(persistencePath, PersistenceJsonOptions);
}
public InMemoryCloudStateStore(ISnapshotStore snapshotStore)
{
_snapshotStore = snapshotStore;
_robot = new DeviceRegistration
{
HostMappings = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)

9
OpenJibo/src/Jibo.Cloud/dotnet/src/Jibo.Cloud.Infrastructure/Persistence/InMemoryPersonalMemoryStore.cs
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@@ -13,15 +13,20 @@ public sealed class InMemoryPersonalMemoryStore : IPersonalMemoryStore
};
private readonly ConcurrentDictionary<string, TenantMemoryRecord> _tenantMemory = new(StringComparer.OrdinalIgnoreCase);
private readonly JsonSnapshotStore _snapshotStore;
private readonly ISnapshotStore _snapshotStore;
private readonly Lock _syncRoot = new();
private long _revision;
private DateTimeOffset? _lastLoadedUtc;
private DateTimeOffset? _lastSavedUtc;
public InMemoryPersonalMemoryStore(string? persistencePath = null)
: this(new JsonFileSnapshotStore(persistencePath, PersistenceJsonOptions))
{
_snapshotStore = new JsonSnapshotStore(persistencePath, PersistenceJsonOptions);
}
public InMemoryPersonalMemoryStore(ISnapshotStore snapshotStore)
{
_snapshotStore = snapshotStore;
LoadPersistedState();
}

8
OpenJibo/src/Jibo.Cloud/dotnet/src/Jibo.Cloud.Infrastructure/Persistence/JsonSnapshotStore.cs → OpenJibo/src/Jibo.Cloud/dotnet/src/Jibo.Cloud.Infrastructure/Persistence/JsonFileSnapshotStore.cs
View File

@@ -2,18 +2,18 @@ using System.Text.Json;
namespace Jibo.Cloud.Infrastructure.Persistence;
internal sealed class JsonSnapshotStore
internal sealed class JsonFileSnapshotStore : ISnapshotStore
{
private readonly string? _persistencePath;
private readonly JsonSerializerOptions _options;
public JsonSnapshotStore(string? persistencePath, JsonSerializerOptions options)
public JsonFileSnapshotStore(string? persistencePath, JsonSerializerOptions options)
{
_persistencePath = persistencePath;
_options = options;
}
public TSnapshot? Load<TSnapshot>()
public TSnapshot? Load<TSnapshot>() where TSnapshot : class
{
if (string.IsNullOrWhiteSpace(_persistencePath) || !File.Exists(_persistencePath))
{
@@ -30,7 +30,7 @@ internal sealed class JsonSnapshotStore
}
}
public void Save<TSnapshot>(TSnapshot snapshot)
public void Save<TSnapshot>(TSnapshot snapshot) where TSnapshot : class
{
if (string.IsNullOrWhiteSpace(_persistencePath))
{

42
OpenJibo/tests/Jibo.Cloud.Tests/Infrastructure/PersistenceStoreTests.cs
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@@ -5,6 +5,33 @@ namespace Jibo.Cloud.Tests.Infrastructure;
public sealed class PersistenceStoreTests
{
[Fact]
public void PersonalMemoryStore_CanUseAlternateSnapshotBackend()
{
var backend = new RecordingSnapshotStore();
var store = new InMemoryPersonalMemoryStore(backend);
var scope = new PersonalMemoryTenantScope("acct-b", "loop-b", "device-b", "person-b");
store.SetName(scope, "Alt Backend");
Assert.Single(backend.Saves);
Assert.Equal("Alt Backend", store.GetName(scope));
Assert.Equal("1", store.GetPersistenceStateInfo().SchemaVersion);
}
[Fact]
public void CloudStateStore_CanUseAlternateSnapshotBackend()
{
var backend = new RecordingSnapshotStore();
var store = new InMemoryCloudStateStore(backend);
store.CreateMedia("openjibo-default-loop", "backend-photo", "image", "photo-ref", false, null);
Assert.Single(backend.Saves);
Assert.Contains(store.ListMedia(), item => item.Path == "backend-photo");
Assert.Equal("1", store.GetPersistenceStateInfo().SchemaVersion);
}
[Fact]
public void PersonalMemoryStore_RoundTripsStateAndRevision()
{
@@ -84,4 +111,19 @@ public sealed class PersistenceStoreTests
}
}
}
private sealed class RecordingSnapshotStore : ISnapshotStore
{
public List<object> Saves { get; } = [];
public TSnapshot2? Load<TSnapshot2>() where TSnapshot2 : class
{
return default;
}
public void Save<TSnapshot2>(TSnapshot2 snapshot) where TSnapshot2 : class
{
Saves.Add(snapshot);
}
}
}