Package org.fcrepo.kernel.api.rdf

Class DefaultRdfStream

java.lang.Object

org.fcrepo.kernel.api.utils.WrappingStream<org.apache.jena.graph.Triple>

org.fcrepo.kernel.api.rdf.DefaultRdfStream

All Implemented Interfaces:

AutoCloseable, BaseStream<org.apache.jena.graph.Triple,Stream<org.apache.jena.graph.Triple>>, Stream<org.apache.jena.graph.Triple>, RdfStream

public class DefaultRdfStream
extends WrappingStream<org.apache.jena.graph.Triple>
implements RdfStream

Implementation of a context-bearing RDF stream

Since:

Dec 6, 2015

Author:

acoburn

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.stream.Stream

Stream.Builder<T extends Object>

Field Summary

Fields inherited from class org.fcrepo.kernel.api.utils.WrappingStream

stream

Constructor Summary

Constructors

Constructor	Description
DefaultRdfStream(org.apache.jena.graph.Node node)	Create an RdfStream
DefaultRdfStream(org.apache.jena.graph.Node node, Stream<org.apache.jena.graph.Triple> stream)	Create an RdfStream

Method Summary

Modifier and Type	Method	Description
protected void	concat(Stream<org.apache.jena.graph.Triple> stream)	Concatenate a Triple stream to the existing stream
RdfStream	distinct()
RdfStream	filter(Predicate<? super org.apache.jena.graph.Triple> predicate)
static RdfStream	fromModel(org.apache.jena.graph.Node node, org.apache.jena.rdf.model.Model model)	Create an RdfStream from an existing Model.
RdfStream	limit(long maxSize)
RdfStream	onClose(Runnable closeHandler)
RdfStream	parallel()
RdfStream	peek(Consumer<? super org.apache.jena.graph.Triple> action)
RdfStream	sequential()
RdfStream	skip(long n)
RdfStream	sorted()
RdfStream	sorted(Comparator<? super org.apache.jena.graph.Triple> comparator)
org.apache.jena.graph.Node	topic()
RdfStream	unordered()

Methods inherited from class org.fcrepo.kernel.api.utils.WrappingStream

allMatch, anyMatch, close, collect, collect, count, findAny, findFirst, flatMap, flatMapToDouble, flatMapToInt, flatMapToLong, forEach, forEachOrdered, isParallel, iterator, map, mapToDouble, mapToInt, mapToLong, max, min, noneMatch, reduce, reduce, reduce, spliterator, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.stream.BaseStream

close, isParallel, iterator, spliterator

Methods inherited from interface java.util.stream.Stream

allMatch, anyMatch, collect, collect, count, dropWhile, findAny, findFirst, flatMap, flatMapToDouble, flatMapToInt, flatMapToLong, forEach, forEachOrdered, map, mapToDouble, mapToInt, mapToLong, max, min, noneMatch, reduce, reduce, reduce, takeWhile, toArray, toArray

Constructor Detail

DefaultRdfStream

public DefaultRdfStream(org.apache.jena.graph.Node node)

Create an RdfStream

Parameters:

node - the topic of the stream

DefaultRdfStream

public DefaultRdfStream(org.apache.jena.graph.Node node,
                        Stream<org.apache.jena.graph.Triple> stream)

Create an RdfStream

Parameters:

node - the topic of the stream

stream - the incoming stream

Method Detail

fromModel

public static RdfStream fromModel(org.apache.jena.graph.Node node,
                                  org.apache.jena.rdf.model.Model model)

Create an RdfStream from an existing Model.

Parameters:

node - The subject node

model - An input Model

Returns:

a new RdfStream object

concat

protected void concat(Stream<org.apache.jena.graph.Triple> stream)

Concatenate a Triple stream to the existing stream

Parameters:

stream - additional triples

topic

public org.apache.jena.graph.Node topic()

Specified by:

topic in interface RdfStream

Returns:

the topic node for this stream

distinct

public RdfStream distinct()

Specified by:

distinct in interface Stream<org.apache.jena.graph.Triple>

filter

public RdfStream filter(Predicate<? super org.apache.jena.graph.Triple> predicate)

Specified by:

filter in interface Stream<org.apache.jena.graph.Triple>

limit

public RdfStream limit(long maxSize)

Specified by:

limit in interface Stream<org.apache.jena.graph.Triple>

peek

public RdfStream peek(Consumer<? super org.apache.jena.graph.Triple> action)

Specified by:

peek in interface Stream<org.apache.jena.graph.Triple>

skip

public RdfStream skip(long n)

Specified by:

skip in interface Stream<org.apache.jena.graph.Triple>

sorted

public RdfStream sorted()

Specified by:

sorted in interface Stream<org.apache.jena.graph.Triple>

sorted

public RdfStream sorted(Comparator<? super org.apache.jena.graph.Triple> comparator)

Specified by:

sorted in interface Stream<org.apache.jena.graph.Triple>

onClose

public RdfStream onClose(Runnable closeHandler)

Specified by:

onClose in interface BaseStream<org.apache.jena.graph.Triple,Stream<org.apache.jena.graph.Triple>>

parallel

public RdfStream parallel()

Specified by:

parallel in interface BaseStream<org.apache.jena.graph.Triple,Stream<org.apache.jena.graph.Triple>>

sequential

public RdfStream sequential()

Specified by:

sequential in interface BaseStream<org.apache.jena.graph.Triple,Stream<org.apache.jena.graph.Triple>>

unordered

public RdfStream unordered()

Specified by:

unordered in interface BaseStream<org.apache.jena.graph.Triple,Stream<org.apache.jena.graph.Triple>>