Package de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.util.literalExtractors

Class LiteralExtractorAllAnnotationProperties

java.lang.Object
de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.util.literalExtractors.LiteralExtractorAllAnnotationProperties
All Implemented Interfaces:
LiteralExtractor
public class LiteralExtractorAllAnnotationProperties extends Object implements LiteralExtractor
All annotation properties are followed (recursively).

  • Field Details

    • LOGGER

      private static final org.slf4j.Logger LOGGER

  • Constructor Details

    • LiteralExtractorAllAnnotationProperties

      public LiteralExtractorAllAnnotationProperties()

  • Method Details

    • extract

      @NotNull public @NotNull Set<org.apache.jena.rdf.model.Literal> extract(org.apache.jena.rdf.model.Resource resource)
      Description copied from interface: LiteralExtractor
      Given a jena resource r, it extracts the literals which are usually helpful for matching. It does not do any tokenization nor transformation.
      Specified by:
      extract in interface LiteralExtractor
      Parameters:
      resource - the jena resource to extract the literals (which describe this resource).
      Returns:
      a set of literals which describes the resource.

    • getAnnotationPropertiesRecursionDeadLockSafe

      @NotNull private static @NotNull Set<org.apache.jena.rdf.model.Literal> getAnnotationPropertiesRecursionDeadLockSafe(org.apache.jena.rdf.model.Resource resource, int recursionDepth)
      Infinity loop save version of getAnnotationProperties. Always call the latter one to guarantee thread safety. Do not call this method directly but rather its wrapper extract(Resource) .
      Parameters:
      resource - The resource to be used for lookup.
      recursionDepth - The current recursion depth. Initialize with 0.
      Returns:
      A set of annotation property values (String).

    • getLabelOrFragmentWithoutLanguageAnnotation

      private static org.apache.jena.rdf.model.Literal getLabelOrFragmentWithoutLanguageAnnotation(org.apache.jena.rdf.model.Resource resource)
      Returns the label. If it does not exist: local name.
      Parameters:
      resource - The resource for which a string shall be retrieved.
      Returns:
      Label or local name. Null if resource is anonymous.

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object