org.apache.jena.sparql.algebra

Class AlgebraGenerator

java.lang.Object

org.apache.jena.sparql.algebra.AlgebraGenerator

public class AlgebraGenerator
extends Object

Class used to compile SPARQL queries into SPARQL algebra. This is the SPARQL standard defined process of abstract syntax to algebra.

Constructor Summary

Constructors

Constructor and Description
AlgebraGenerator() Create a new generator
AlgebraGenerator(Context context) Create a new generator

Method Summary

Modifier and Type	Method and Description
Op	compile(Element elt) Compile any structural element
Op	compile(Query query) Compile a query

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlgebraGenerator

public AlgebraGenerator(Context context)

Create a new generator

Parameters:

context - Context

AlgebraGenerator

public AlgebraGenerator()

Create a new generator

Method Detail

compile

public Op compile(Query query)

Compile a query

DO NOT call recursively

Parameters:

query - Query to compile

Returns:

Compiled algebra

compile

public Op compile(Element elt)

Compile any structural element

Parameters:

elt - Element

Returns:

Compiled algebra