PatternCompiler

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Class

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Deprecated

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com.hp.hpl.jena.graph.query
Interface PatternCompiler

All Known Implementing Classes:: PatternStageCompiler

public interface PatternCompiler

A PatternCompiler is some class that knows how to handle fixed Node values, binding and bound occurences of variables, and wildcards.

Method Summary

Element any()
          Method called to deliver a compiled element from a wildcard ANY.

Element bind(com.hp.hpl.jena.graph.Node n, int index)
          Method called to deliver a compiled element from a binding occurance of a variable Node allocated at a given index position.

Element bound(com.hp.hpl.jena.graph.Node n, int index)
          Method called to deliver a compiled element from a bound occurance of a variable Node allocated at a given index position.

Element fixed(com.hp.hpl.jena.graph.Node value)
          Method called to deliver a compiled Element constructed from a constant Node.

Method Detail

fixed

public Element fixed(com.hp.hpl.jena.graph.Node value)

Method called to deliver a compiled Element constructed from a constant Node.

bound

public Element bound(com.hp.hpl.jena.graph.Node n,
                     int index)

Method called to deliver a compiled element from a bound occurance of a variable Node allocated at a given index position.

bind

public Element bind(com.hp.hpl.jena.graph.Node n,
                    int index)

Method called to deliver a compiled element from a binding occurance of a variable Node allocated at a given index position.

any

public Element any()

Method called to deliver a compiled element from a wildcard ANY.