Interface: ExtractorInterface

ExtractorInterface

Abstract superclass for all extractors. Extractors compute values relevant for the diff algorithm and cache them to save future computation costs.
Create a new Extractor instance
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Interfaces

ExtractorInterface

Members

(abstract, protected) _memo :Map.<Node, T>

The cached values.
Type:
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Methods

(abstract, protected) _extract(node)

Perform the extraction for the value type cached by this extractor.
Parameters:
Name Type Description
node Node The node for which to compute the value.
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(abstract) get(node) → {T}

Get the desired value. If it is not cached, calculate and cache it first.
Parameters:
Name Type Description
node Node The node to which the value corresponds to.
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Returns:
The desired value.
Type
T