Package org.eclipse.rdf4j.benchmark.rio.util

Class BlackHoleRDFHandler

java.lang.Object
org.eclipse.rdf4j.benchmark.rio.util.BlackHoleRDFHandler
All Implemented Interfaces:
RDFHandler
public class BlackHoleRDFHandler extends Object implements RDFHandler
Empty RDF Handler that provides a Statement consumer that can be used with JMH BlackHole to avoid JVM (JIT Compiler) optimizations
Author:
Tomas Kovachev t.kovachev1996@gmail.com

  • Constructor Details

    • BlackHoleRDFHandler

      public BlackHoleRDFHandler()

  • Method Details

    • startRDF

      public void startRDF() throws RDFHandlerException
      Description copied from interface: RDFHandler
      Signals the start of the RDF data. This method is called before any data is reported.
      Specified by:
      startRDF in interface RDFHandler
      Throws:
      RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

    • endRDF

      public void endRDF() throws RDFHandlerException
      Description copied from interface: RDFHandler
      Signals the end of the RDF data. This method is called when all data has been reported.
      Specified by:
      endRDF in interface RDFHandler
      Throws:
      RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

    • handleNamespace

      public void handleNamespace​(String s, String s1) throws RDFHandlerException
      Description copied from interface: RDFHandler
      Handles a namespace declaration/definition. A namespace declaration associates a (short) prefix string with the namespace's URI. The prefix for default namespaces, which do not have an associated prefix, are represented as empty strings.
      Specified by:
      handleNamespace in interface RDFHandler
      Parameters:
      s - The prefix for the namespace, or an empty string in case of a default namespace.
      s1 - The URI that the prefix maps to.
      Throws:
      RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

    • handleStatement

      public void handleStatement​(Statement statement) throws RDFHandlerException
      Description copied from interface: RDFHandler
      Handles a statement.
      Specified by:
      handleStatement in interface RDFHandler
      Parameters:
      statement - The statement.
      Throws:
      RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

    • handleComment

      public void handleComment​(String s) throws RDFHandlerException
      Description copied from interface: RDFHandler
      Handles a comment.
      Specified by:
      handleComment in interface RDFHandler
      Parameters:
      s - The comment.
      Throws:
      RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

    • setBlackHoleConsumer

      public void setBlackHoleConsumer​(Consumer<Statement> blackHoleConsumer)