naga.store — org.clojars.quoll/naga-store 0.3.6

Storage API for Naga to talk to graph stores. Also includes some utility functions.

assert-schema clj/s

(assert-schema store schema & {:as opts})

Convenience function to avoid passing empty options

node-label clj/s

(node-label s n)

Returns a keyword label for a node

retrieve-contents clj/s

(retrieve-contents store)

Convenience function to retrieve the contents of the entire store

Storage clj/s protocol

query clj/s

(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.

deltas clj/s

(deltas store)

Returns the latest updated subjects in the represented store

container-property clj/s

(container-property store data)

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

retract-data clj/s

(retract-data store data)

Removes existing axioms

count-pattern clj/s

(count-pattern store pattern)

Counts the size of a pattern resolition against storage

resolve-pattern clj/s

(resolve-pattern store pattern)

Resolves a pattern against storage

query-insert clj/s

(query-insert store assertion-patterns patterns)

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

commit-tx clj/s

(commit-tx store)

Commits a transaction, if supported

start-tx clj/s

(start-tx store)

Starts a transaction, if supported

assert-schema-opts clj/s

(assert-schema-opts store schema opts)

Inserts a new schema, if supported

node-type? clj/s

(node-type? store p n)

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

node-id clj/s

(node-id store n)

Returns a id for a node. Numbers are good

assert-data clj/s

(assert-data store data)

Inserts new axioms

data-property clj/s

(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/s

(new-node store)

Allocates a node for the store

StorageType clj/s