naga.store — naga 0.1.0

Storage API for talking to external storage

get-storage-handle clj

(get-storage-handle {type :type store :store :as config})

Creates a store of the configured type. Throws an exception for unknown types.

node-label clj

(node-label s n)

Returns a keyword label for a node

register-storage! clj

(register-storage! store-id factory-fn)

(register-storage! store-id factory-fn shutdown-fn)

Registers a new storage type

registered-stores clj

retrieve-contents clj

(retrieve-contents store)

Convenience function to retrieve the contents of the entire store

shutdown clj

(shutdown)

shutdown-fns clj

Storage clj protocol

query clj

(query store output-pattern patterns)

Resolves a set of patterns (if not already resolved), joins the results, and projects the output. The output can contain constant values as well as selected variables.

container-property clj

(container-property store data)

Returns the property to use to indicate a containership relation for given data. Must be in the naga namespace

count-pattern clj

(count-pattern store pattern)

Counts the size of a pattern resolition against storage

resolve-pattern clj

(resolve-pattern store pattern)

Resolves a pattern against storage

query-insert clj

(query-insert store assertion-patterns patterns)

Resolves a set of patterns, joins them, and inserts the set of resolutions

commit-tx clj

(commit-tx store)

Commits a transaction, if supported

start-tx clj

(start-tx store)

Starts a transaction, if supported

node-type? clj

(node-type? store p n)

Returns true if the value refered to by a property can be a graph node

node-id clj

(node-id store n)

Returns a id for a node. Numbers are good

assert-data clj

(assert-data store data)

Inserts new axioms

data-property clj

(data-property store data)

Returns the property to use for given data. Must be in the naga namespace, and start with 'first'.

new-node clj

(new-node store)

Allocates a node for the store