Package org.aksw.jena_sparql_api.algebra.transform

Class TransformJoinOverLeftJoin

java.lang.Object
org.apache.jena.sparql.algebra.TransformCopy
org.aksw.jena_sparql_api.algebra.transform.TransformJoinOverLeftJoin
All Implemented Interfaces:
org.apache.jena.sparql.algebra.Transform
public class TransformJoinOverLeftJoin extends org.apache.jena.sparql.algebra.TransformCopy
Join(LeftJoin(A, B), C) -> LeftJoin(Join(A, C), B) - if all vars of C shared with B are also shared with A
Author:
raven

  • Field Summary

    Fields inherited from class org.apache.jena.sparql.algebra.TransformCopy

    COPY_ALWAYS, COPY_ONLY_ON_CHANGE

  • Constructor Summary

    Constructors
    Constructor
    Description
    TransformJoinOverLeftJoin()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static org.apache.jena.sparql.algebra.Op
    transform(org.apache.jena.sparql.algebra.Op op)
     
    org.apache.jena.sparql.algebra.Op
    transform(org.apache.jena.sparql.algebra.op.OpJoin opJoin, org.apache.jena.sparql.algebra.Op left, org.apache.jena.sparql.algebra.Op right)
     

    Methods inherited from class org.apache.jena.sparql.algebra.TransformCopy

    transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • TransformJoinOverLeftJoin

      public TransformJoinOverLeftJoin()

  • Method Details

    • transform

      public static org.apache.jena.sparql.algebra.Op transform(org.apache.jena.sparql.algebra.Op op)

    • transform

      public org.apache.jena.sparql.algebra.Op transform(org.apache.jena.sparql.algebra.op.OpJoin opJoin, org.apache.jena.sparql.algebra.Op left, org.apache.jena.sparql.algebra.Op right)
      Specified by:
      transform in interface org.apache.jena.sparql.algebra.Transform
      Overrides:
      transform in class org.apache.jena.sparql.algebra.TransformCopy