Class FilterExistsGraphPattern

java.lang.Object

org.eclipse.rdf4j.sparqlbuilder.core.QueryElementCollection<GraphPattern>

org.eclipse.rdf4j.sparqlbuilder.graphpattern.GroupGraphPattern

org.eclipse.rdf4j.sparqlbuilder.graphpattern.FilterExistsGraphPattern

All Implemented Interfaces:

QueryElement, GraphPattern

class FilterExistsGraphPattern
extends GroupGraphPattern

A SPARQL Graph Pattern Filter

See Also:

• Filtering using Graph Pattern

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	exists
private static final String	EXISTS
private static final String	FILTER
private static final String	NOT

Fields inherited from class GroupGraphPattern

isOptional

Fields inherited from class QueryElementCollection

elements

Constructor Summary

Constructors

Constructor	Description
FilterExistsGraphPattern()

Method Summary

Modifier and Type	Method	Description
(package private) FilterExistsGraphPattern	exists(boolean exists)
String	getQueryString()

Methods inherited from class GroupGraphPattern

and, copy, filter, from, isEmpty, optional

Methods inherited from class QueryElementCollection

addElements, addElements

Methods inherited from class Object

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

Methods inherited from interface GraphPattern

filterExists, filterExists, filterNotExists, minus, optional, union

Field Details

FILTER

private static final String FILTER

See Also:

• Constant Field Values

NOT

private static final String NOT

See Also:

• Constant Field Values

EXISTS

private static final String EXISTS

See Also:

• Constant Field Values

exists

private boolean exists

Constructor Details

FilterExistsGraphPattern

FilterExistsGraphPattern()

Method Details

exists

FilterExistsGraphPattern exists(boolean exists)

getQueryString

public String getQueryString()

Specified by:

getQueryString in interface QueryElement

Overrides:

getQueryString in class GroupGraphPattern

Returns:

the String representing the SPARQL syntax of this element