DiskBasedResponseCache class

A ResponseCache that persists ChatResponses as JSON files on disk.

Each entry consists of two files:

• <hash>.json — the serialized ChatResponse
• <hash>.expiry — the expiry timestamp (ISO-8601)

Implemented types

• ResponseCache

Annotations

• @Source(name: 'DiskBasedResponseCache.cs', namespace: 'Microsoft.Extensions.AI.Evaluation.Reporting.Storage', repository: 'dotnet/extensions', path: 'src/Libraries/Microsoft.Extensions.AI.Evaluation.Reporting.Storage/')

Constructors

DiskBasedResponseCache(String cacheDir, {Duration timeToLive = const Duration(days: 14), DateTime clock()?})

Creates a DiskBasedResponseCache under cacheDir.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

deleteExpiredEntries() → Future<void>

Removes all expired entries from the cache.

override

get(String key) → Future<ChatResponse?>

Returns the cached ChatResponse for key, or null if not found or expired.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

remove(String key) → Future<void>

Removes the entry for key from the cache.

override

reset() → Future<void>

Clears all entries from the cache.

override

set(String key, ChatResponse response) → Future<void>

Stores response in the cache under key.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited