Package org.aksw.jena_sparql_api.concept.parser

Class SparqlRelationParserImpl

java.lang.Object

org.aksw.jena_sparql_api.concept.parser.SparqlRelationParserImpl

All Implemented Interfaces:

com.google.common.base.Function<String,Fragment2>, Function<String,Fragment2>, SparqlRelationParser

public class SparqlRelationParserImpl
extends Object
implements SparqlRelationParser

There are multiple ways to represent a relation: - as a path of property uris (TODO we could extend this with a propery path language), "foaf:knows" - as two variables, followed by a '|' and a graph pattern, e.g. "?s ?o | ?s foaf:knows ?o"

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
static Pattern	VAR_PATTERN
static String	VAR_PATTERN_STR

Constructor Summary

Constructors

Constructor	Description
SparqlRelationParserImpl()
SparqlRelationParserImpl(Function<String,org.apache.jena.sparql.syntax.Element> elementParser)

Method Summary

Modifier and Type	Method	Description
Fragment2	apply(String input)
static SparqlRelationParserImpl	create(org.apache.jena.query.Syntax syntax, org.apache.jena.sparql.core.Prologue prologue)
static Fragment2	parse(String relationStr, Function<String,org.apache.jena.sparql.syntax.Element> elementParser)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Methods inherited from interface java.util.function.Function

andThen, compose

Field Details

VAR_PATTERN_STR

public static String VAR_PATTERN_STR

VAR_PATTERN

public static Pattern VAR_PATTERN

Constructor Details

SparqlRelationParserImpl

public SparqlRelationParserImpl()

SparqlRelationParserImpl

public SparqlRelationParserImpl(Function<String,org.apache.jena.sparql.syntax.Element> elementParser)

Method Details

apply

public Fragment2 apply(String input)

Specified by:

apply in interface com.google.common.base.Function<String,Fragment2>

Specified by:

apply in interface Function<String,Fragment2>

parse

public static Fragment2 parse(String relationStr,
 Function<String,org.apache.jena.sparql.syntax.Element> elementParser)

create

public static SparqlRelationParserImpl create(org.apache.jena.query.Syntax syntax,
 org.apache.jena.sparql.core.Prologue prologue)