Module org.apache.jena.arq
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 Details

    • OpQuadPattern

      public OpQuadPattern(org.apache.jena.graph.Node quadNode, BasicPattern triples)

  • Method Details

    • isQuadPattern

      public static boolean isQuadPattern(Op op)

    • getPattern

      public QuadPattern getPattern()

    • getGraphNode

      public org.apache.jena.graph.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 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