cascalog.logic.predicate — cascalog/cascalog-core 3.0.0

build-predicate clj

(build-predicate options {:keys [op input output] :as pred})

Accepts an option map and a raw predicate and returns a node in the Cascalog graph.

cake clj

can-generate? clj

(can-generate? op)

defnode clj macro

(defnode sym fields & more)

generator-node clj

(generator-node gen input output options)

Converts the supplied generator into the proper type of node.

ICouldFilter clj protocol

This protocol exists so that Cascalog can decide, if no input or output signifier exists, if the function takes inputs or outputs by default.

filter? clj

(filter? _)

Returns true if the object could filter, false otherwise.

INode clj protocol

node? clj

(node? _)

Returns true if the object is a node, false otherwise.

IOperation clj protocol

to-operation clj

(to-operation _)

Returns a sequence of RawPredicate instances.

IRawPredicate clj protocol

normalize clj

(normalize _)

Returns a sequence of RawPredicate instances.

to-predicate clj multimethod