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den1k/transactable entity #59

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merged 2 commits into from
Jul 6, 2021
Merged

den1k/transactable entity #59

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d8fb547
Add transactable Entity impl + tests
den1k Jun 18, 2021
4370bc5
Remove potemkin dep
den1k Jun 18, 2021
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3 changes: 3 additions & 0 deletions src/datalevin/core.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,9 @@ backward references).
before) are printed. See [[touch]]."}
entity de/entity)

(def add de/add)
(def retract de/retract)


(def ^{:arglists '([db eid])
:doc "Given lookup ref `[unique-attr value]`, returns numberic entity id.
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8 changes: 8 additions & 0 deletions src/datalevin/db.cljc
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Expand Up @@ -687,6 +687,10 @@
:db.fn/retractEntity
:db/retractEntity})

;; HACK to avoid circular dependency
(def de-entity? (delay (resolve 'datalevin.impl.entity/entity?)))
(def de-entity->txs (delay (resolve 'datalevin.impl.entity/->txs)))

(defn transact-tx-data [initial-report initial-es]
(when-not (or (nil? initial-es)
(sequential? initial-es))
Expand All @@ -708,6 +712,10 @@
(nil? entity)
(recur report entities)

(@de-entity? entity)
(recur report
(into entities (reverse (@de-entity->txs entity))))

(map? entity)
(let [old-eid (:db/id entity)]
(cond+
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