Package org.aksw.jena_sparql_api.views.index

Class QueryRewriterOpRewrite

java.lang.Object

org.aksw.jena_sparql_api.views.index.QueryRewriterOpRewrite

All Implemented Interfaces:

QueryRewriter

public class QueryRewriterOpRewrite
extends Object
implements QueryRewriter

Rewrite a query by rewriting its algebra

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
protected Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op>	opRewriter
protected Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query>	opToQuery
protected Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op>	queryToOp

Constructor Summary

Constructors

Constructor	Description
QueryRewriterOpRewrite(Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op> queryToOp, Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter, Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query> opToQuery)

Method Summary

Modifier and Type	Method	Description
static QueryRewriterOpRewrite	createDefault(Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter)
static QueryRewriterOpRewrite	createDefaultQuadForm(Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter)	Compiles to quad form
Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op>	getOpRewriter()
Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query>	getOpToQuery()
Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op>	getQueryToOp()
org.apache.jena.query.Query	rewrite(org.apache.jena.query.Query query)

Methods inherited from class java.lang.Object

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

Field Details

queryToOp

protected Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op> queryToOp

opRewriter

protected Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter

opToQuery

protected Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query> opToQuery

Constructor Details

QueryRewriterOpRewrite

public QueryRewriterOpRewrite(Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op> queryToOp,
 Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter,
 Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query> opToQuery)

Method Details

getQueryToOp

public Function<org.apache.jena.query.Query,org.apache.jena.sparql.algebra.Op> getQueryToOp()

getOpRewriter

public Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> getOpRewriter()

getOpToQuery

public Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.query.Query> getOpToQuery()

rewrite

public org.apache.jena.query.Query rewrite(org.apache.jena.query.Query query)

Specified by:

rewrite in interface QueryRewriter

createDefault

public static QueryRewriterOpRewrite createDefault(Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter)

createDefaultQuadForm

public static QueryRewriterOpRewrite createDefaultQuadForm(Function<org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op> opRewriter)

Compiles to quad form

Parameters:

opRewriter -

Returns: