Package org.apache.jena.sparql.algebra.op

Class OpQuadPattern

java.lang.Object

org.apache.jena.sparql.util.PrintSerializableBase

org.apache.jena.sparql.algebra.op.OpBase

org.apache.jena.sparql.algebra.op.Op0

org.apache.jena.sparql.algebra.op.OpQuadPattern

All Implemented Interfaces:

org.apache.jena.atlas.io.Printable, Op, Named, PrintSerializable

public class OpQuadPattern
extends Op0

The main Op used in converting SPARQL algebra to quad form. OpQuadPattern reflects the fact that quads come in per-GRAPH units. OpQuadBlock is for a general containers of quads without any contract on the quads sharing the same graph node.

Constructor Summary

Constructors

Constructor	Description
OpQuadPattern(Node quadNode, BasicPattern triples)

Method Summary

Modifier and Type	Method	Description
Op	apply(Transform transform)
Op0	copy()
boolean	equalTo(Op other, NodeIsomorphismMap labelMap)
BasicPattern	getBasicPattern()
Node	getGraphNode()
java.lang.String	getName()
QuadPattern	getPattern()
int	hashCode()
boolean	isDefaultGraph()	Is this quad pattern referring to the default graph by quad transformation or explicit naming?
boolean	isEmpty()
static boolean	isQuadPattern(Op op)
boolean	isUnionGraph()	Is this quad pattern explicitly naming the union graph?
void	visit(OpVisitor opVisitor)

Methods inherited from class org.apache.jena.sparql.algebra.op.OpBase

equals, output, output

Methods inherited from class org.apache.jena.sparql.util.PrintSerializableBase

toString, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.jena.sparql.util.PrintSerializable

toString

Constructor Detail

OpQuadPattern

public OpQuadPattern(Node quadNode,
                     BasicPattern triples)

Method Detail

isQuadPattern

public static boolean isQuadPattern(Op op)

getPattern

public QuadPattern getPattern()

getGraphNode

public Node getGraphNode()

getBasicPattern

public BasicPattern getBasicPattern()

isEmpty

public boolean isEmpty()

isDefaultGraph

public boolean isDefaultGraph()

Is this quad pattern referring to the default graph by quad transformation or explicit naming?

isUnionGraph

public boolean isUnionGraph()

Is this quad pattern explicitly naming the union graph?

getName

public java.lang.String getName()

apply

public Op apply(Transform transform)

Specified by:

apply in class Op0

visit

public void visit(OpVisitor opVisitor)

copy

public Op0 copy()

Specified by:

copy in class Op0

hashCode

public int hashCode()

Specified by:

hashCode in class OpBase

equalTo

public boolean equalTo(Op other,
                       NodeIsomorphismMap labelMap)

Specified by:

equalTo in interface Op

Specified by:

equalTo in class OpBase