query

package

v1.0.0 Latest Latest Go to latest Published: Apr 16, 2026 License: MIT Imports: 7 Imported by: 0

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type Engine struct {
	// contains filtered or unexported fields
}

Engine wraps a loaded graph and answers queries against it.

func LoadFromFile(graphPath string) (*Engine, error)

LoadFromFile reads graph.json and constructs a query Engine.

func (e *Engine) Explain(label string) string

Explain returns all edges where the given node is source or target.

func (e *Engine) Graph() *types.Graph

Graph returns the underlying types.Graph (read-only reference).

func (e *Engine) NodeByID(id string) (types.Node, bool)

NodeByID returns the node with the given ID string, if it exists.

func (e *Engine) Path(fromLabel, toLabel string) string

Path finds the shortest directed path from nodeA to nodeB. Returns a human-readable string.

func (e *Engine) Query(input string) string

Query is a freeform dispatcher: parses "path A B", "explain X", etc.