Module ops 

Haystack HTTP API op handlers and route registration.

Each sub-module implements one or more Haystack ops as async Actix-Web handler functions. The configure function registers all routes under the /api scope.

Standard ops: about, ops, formats, read, nav, defs, libs, watchSub/watchPoll/watchUnsub, hisRead/hisWrite, pointWrite, invokeAction, close.

Extended ops: changes, export/import, specs/spec/loadLib/ unloadLib/exportLib/validate, system/status/backup/restore, federation/status/sync, rdf/turtle/rdf/jsonld.

Modules

about

The about op — server identity and SCRAM authentication handshake.

changes

The changes op — return graph changelog entries since a given version.

data

The export and import ops — bulk data import/export.

defs

The defs and libs ops — query the definition namespace.

federation

Federation HTTP endpoints — status and sync for remote connectors.

formats

The formats op — list supported MIME types.

graph

Graph visualization endpoints for React Flow UI integration.

his

The hisRead and hisWrite ops — historical time-series data.

invoke

The invokeAction op — invoke an action on an entity.

libs

Library and spec management endpoints.

nav

The nav op — navigate a project for entity discovery.

ops_handler

The ops op — list all available operations.

point_write

The pointWrite op — write a value to a writable point.

rdf

RDF export endpoints — Turtle and JSON-LD serialization of all entities.

read

The read op — read entities by filter or by id.

system

System administration endpoints (admin-only).

watch

Watch ops — subscribe, poll, and unsubscribe for entity changes.

Functions

configure

Configure all Haystack API routes under /api.