MemoryBackend

reference

1 min readUpdated 2026-07-29

Kind: Class

Source: atloria-monorepo/libs/agent-core/src/context/checkpoint-backend.ts

Implements: CheckpointBackend

Methods

Method	Signature	Returns
`save`	`save(snap: Snapshot)`	`void`
`load`	`load(relPath: string)`	`Snapshot[]`
`loadLatest`	`loadLatest(relPath: string)`	`Snapshot
`deleteFile`	`deleteFile(relPath: string)`	`void`
`deleteFrom`	`deleteFrom(relPath: string, fromIndex: number)`	`void`
`getTrackedFiles`	`getTrackedFiles()`	`string[]`
`getTotalCount`	`getTotalCount()`	`number`
`getSnapshotCount`	`getSnapshotCount(relPath: string)`	`number`
`clear`	`clear()`	`void`
`evictOldest`	`evictOldest()`	`boolean`

Where it refuses work

MemoryBackend stops the work with an early return when !snaps || snaps.length === 0.
MemoryBackend stops the work with an early return when !snaps.
MemoryBackend stops the work with an early return when fromIndex < 0 || fromIndex >= snaps.length.

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