Package org.aksw.jenax.sparql.fragment.impl

Class Fragment2Impl

java.lang.Object

org.aksw.jenax.sparql.fragment.impl.Fragment2Impl

All Implemented Interfaces:

Fragment, Fragment2, GeneralizedFragment2, HasElement

Direct Known Subclasses:

PropertyRelation

public class Fragment2Impl
extends Object
implements Fragment2

This is a binary relation used to relate two concepts to each other

Author:

raven

Constructor Summary

Constructors

Constructor	Description
Fragment2Impl(org.apache.jena.sparql.syntax.Element element, org.apache.jena.sparql.core.Var sourceVar, org.apache.jena.sparql.core.Var targetVar)

Method Summary

Modifier and Type	Method	Description
Fragment2	applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform nodeTransform)
static Fragment2	create(String p)
static Fragment2	create(String elementStr, String sourceVarName, String targetVarName)
static Fragment2	create(String prologueStr, String elementStr, String sourceVarName, String targetVarName)
static Fragment2	create(String elementStr, String sourceVarName, String targetVarName, Function<String,? extends org.apache.jena.sparql.syntax.Element> elementParser)
static Fragment2	create(String elementStr, String sourceVarName, String targetVarName, org.apache.jena.sparql.core.Prologue prologue)
static Fragment2	create(org.apache.jena.graph.Node p)
static Fragment2	create(org.apache.jena.rdf.model.Resource p)
static Fragment2	create(org.apache.jena.sparql.core.Var s, org.apache.jena.graph.Node p, org.apache.jena.sparql.core.Var o, boolean isFwd)
static Fragment2	create(org.apache.jena.sparql.path.Path path)
static Fragment2	createBwd(org.apache.jena.sparql.core.Var s, org.apache.jena.graph.Node p, org.apache.jena.sparql.core.Var o)	Create a relation ?o ?s | ?s p ?o
static Fragment2	createFwd(org.apache.jena.sparql.core.Var s, org.apache.jena.graph.Node p, org.apache.jena.sparql.core.Var o)	Create a relation ?s ?o | ?s p ?o
static Fragment2	empty()
static Fragment2	empty(org.apache.jena.sparql.core.Var var)
boolean	equals(Object obj)
org.apache.jena.sparql.syntax.Element	getElement()	Return the element held by the implementation of this interface
Set<org.apache.jena.sparql.core.Var>	getInnerVars()	Return all vars that are neither source nor target
org.apache.jena.sparql.core.Var	getSourceVar()
org.apache.jena.sparql.core.Var	getTargetVar()
List<org.apache.jena.sparql.core.Var>	getVars()	Return the distinguished variables of the relation.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.aksw.jenax.sparql.fragment.api.Fragment

filter, filter, filter, filter, getElements, getNonDistinguishedVars, getVarsMentioned, joinOn, joinOn, prependOn, prependOn, project, project, rename, rename, toFragment1, toFragment2, toFragment3, toQuery

Methods inherited from interface org.aksw.jenax.sparql.fragment.api.Fragment2

getAsTriple, getAsTripleOrTriplePath, getAsTriplePath, getIntermediaryVars, getMarkedVars, getSourceConcept, getSourceVars, getTargetConcept, getTargetVars, isEmpty, reverse

Methods inherited from interface org.aksw.jenax.sparql.fragment.api.HasElement

extractQuery, extractTable, holdsQuery, holdsTable, toOp

Constructor Details

Fragment2Impl

public Fragment2Impl(org.apache.jena.sparql.syntax.Element element,
 org.apache.jena.sparql.core.Var sourceVar,
 org.apache.jena.sparql.core.Var targetVar)

Method Details

getVars

public List<org.apache.jena.sparql.core.Var> getVars()

Description copied from interface: Fragment

Return the distinguished variables of the relation. The returned list is should be duplicate-free. The variables are NOT required to occur in the relation's element.

Specified by:

getVars in interface Fragment

Returns:

A list of variables

getSourceVar

public org.apache.jena.sparql.core.Var getSourceVar()

Specified by:

getSourceVar in interface Fragment2

getTargetVar

public org.apache.jena.sparql.core.Var getTargetVar()

Specified by:

getTargetVar in interface Fragment2

getElement

public org.apache.jena.sparql.syntax.Element getElement()

Description copied from interface: HasElement

Return the element held by the implementation of this interface

Specified by:

getElement in interface HasElement

Returns:

create

public static Fragment2 create(String elementStr,
 String sourceVarName,
 String targetVarName)

create

public static Fragment2 create(String prologueStr,
 String elementStr,
 String sourceVarName,
 String targetVarName)

create

public static Fragment2 create(String elementStr,
 String sourceVarName,
 String targetVarName,
 org.apache.jena.sparql.core.Prologue prologue)

create

public static Fragment2 create(String elementStr,
 String sourceVarName,
 String targetVarName,
 Function<String,? extends org.apache.jena.sparql.syntax.Element> elementParser)

getInnerVars

public Set<org.apache.jena.sparql.core.Var> getInnerVars()

Return all vars that are neither source nor target

Returns:

applyNodeTransform

public Fragment2 applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform nodeTransform)

Specified by:

applyNodeTransform in interface Fragment

Specified by:

applyNodeTransform in interface Fragment2

create

public static Fragment2 create(org.apache.jena.sparql.path.Path path)

create

public static Fragment2 create(org.apache.jena.graph.Node p)

create

public static Fragment2 create(org.apache.jena.rdf.model.Resource p)

create

public static Fragment2 create(String p)

createFwd

public static Fragment2 createFwd(org.apache.jena.sparql.core.Var s,
 org.apache.jena.graph.Node p,
 org.apache.jena.sparql.core.Var o)

Create a relation ?s ?o | ?s p ?o

Parameters:

s -

p -

o -

Returns:

createBwd

public static Fragment2 createBwd(org.apache.jena.sparql.core.Var s,
 org.apache.jena.graph.Node p,
 org.apache.jena.sparql.core.Var o)

Create a relation ?o ?s | ?s p ?o

Parameters:

s -

p -

o -

Returns:

create

public static Fragment2 create(org.apache.jena.sparql.core.Var s,
 org.apache.jena.graph.Node p,
 org.apache.jena.sparql.core.Var o,
 boolean isFwd)

Parameters:

s -

p -

o -

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

empty

public static Fragment2 empty()

empty

public static Fragment2 empty(org.apache.jena.sparql.core.Var var)