Package org.eclipse.rdf4j.query.algebra.evaluation.impl

Class CompareOptimizer

java.lang.Object
org.eclipse.rdf4j.query.algebra.evaluation.impl.CompareOptimizer
All Implemented Interfaces:
QueryOptimizer
@Deprecated(forRemoval=true, since="4.1.0") public class CompareOptimizer extends Object implements QueryOptimizer
Deprecated, for removal: This API element is subject to removal in a future version.
A query optimizer that replaces Compare operators with SameTerms, if possible.
Author:
Arjohn Kampman

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    protected static class 
    CompareOptimizer.CompareVisitor
    Deprecated, for removal: This API element is subject to removal in a future version.
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    CompareOptimizer()
    Deprecated, for removal: This API element is subject to removal in a future version.
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Applies generally applicable optimizations to the supplied query: variable assignments are inlined.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • CompareOptimizer

      public CompareOptimizer()
      Deprecated, for removal: This API element is subject to removal in a future version.

  • Method Details

    • optimize

      public void optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
      Deprecated, for removal: This API element is subject to removal in a future version.
      Applies generally applicable optimizations to the supplied query: variable assignments are inlined.
      Specified by:
      optimize in interface QueryOptimizer