Package com.eccenca.access_control.triple_based.core

Class ElementTransformTripleBasedRewrite

java.lang.Object

org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformCopyBase

com.eccenca.access_control.triple_based.core.ElementTransformTripleBasedRewrite

All Implemented Interfaces:

ElementTransform

Direct Known Subclasses:

ElementTransformTripleRewrite

public abstract class ElementTransformTripleBasedRewrite
extends ElementTransformCopyBase

Base transformation that forwards every encountered Triple and TriplePath object to the concrete implementation. At present does not support quads.

Author:

Claus Stadler, Sep 3, 2018

Field Summary

Fields inherited from class org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformCopyBase

alwaysCopy

Constructor Summary

Constructors

Constructor	Description
ElementTransformTripleBasedRewrite()

Method Summary

Modifier and Type	Method	Description
abstract org.apache.jena.sparql.syntax.Element	applyTriplePathTransform(org.apache.jena.sparql.core.TriplePath tp)
abstract org.apache.jena.sparql.syntax.Element	applyTripleTransform(org.apache.jena.graph.Triple t)
org.apache.jena.sparql.syntax.Element	transform(org.apache.jena.sparql.syntax.ElementPathBlock el)
org.apache.jena.sparql.syntax.Element	transform(org.apache.jena.sparql.syntax.ElementTriplesBlock el)
static org.apache.jena.sparql.expr.Expr	valueSetToExpr(org.aksw.commons.collections.PolaritySet<org.apache.jena.graph.Node> valueSet, org.apache.jena.sparql.core.Var var)

Methods inherited from class org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformCopyBase

transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform

Methods inherited from class java.lang.Object

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

Constructor Details

ElementTransformTripleBasedRewrite

public ElementTransformTripleBasedRewrite()

Method Details

applyTripleTransform

public abstract org.apache.jena.sparql.syntax.Element applyTripleTransform(org.apache.jena.graph.Triple t)

Parameters:

t -

Returns:

A substituting element for the argument or null to retain the original Triple

applyTriplePathTransform

public abstract org.apache.jena.sparql.syntax.Element applyTriplePathTransform(org.apache.jena.sparql.core.TriplePath tp)

Parameters:

tp -

Returns:

A substituting element for the argument or null to retain the original TriplePath

valueSetToExpr

public static org.apache.jena.sparql.expr.Expr valueSetToExpr(org.aksw.commons.collections.PolaritySet<org.apache.jena.graph.Node> valueSet,
 org.apache.jena.sparql.core.Var var)

transform

public org.apache.jena.sparql.syntax.Element transform(org.apache.jena.sparql.syntax.ElementTriplesBlock el)

Specified by:

transform in interface ElementTransform

Overrides:

transform in class ElementTransformCopyBase

transform

public org.apache.jena.sparql.syntax.Element transform(org.apache.jena.sparql.syntax.ElementPathBlock el)

Specified by:

transform in interface ElementTransform

Overrides:

transform in class ElementTransformCopyBase