Package de.uni_mannheim.informatik.dws.melt.matching_owlapi

Class OntologyCacheOwlApi

java.lang.Object
de.uni_mannheim.informatik.dws.melt.matching_owlapi.OntologyCacheOwlApi
public class OntologyCacheOwlApi
extends Object
Cache for ontologies for the OWL Api.

  • Field Summary

    Fields 
    Modifier and Type Field Description
    private static boolean isDeactivatedCache
    This flag indicates whether the cache is to be used (i.e., ontologies are held in memory).
    private static org.slf4j.Logger LOGGER  
    private static Map<String,​org.semanticweb.owlapi.model.OWLOntology> ontologyCache
    The internal cache for ontologies that is dependent on the OntModelSpec.

  • Constructor Summary

    Constructors 
    Constructor Description
    OntologyCacheOwlApi()  

  • Method Summary

    Modifier and Type Method Description
    private static org.semanticweb.owlapi.model.OWLOntologyManager createManager()  
    static void emptyCache()
    Empties the cache.
    static org.semanticweb.owlapi.model.OWLOntology get​(File file)  
    static org.semanticweb.owlapi.model.OWLOntology get​(String uri)  
    static org.semanticweb.owlapi.model.OWLOntology get​(String uri, boolean useCache)
    Returns the OntModel for the given uri using a cache if indicated to do so.
    static org.semanticweb.owlapi.model.OWLOntology get​(URL url)  
    static org.semanticweb.owlapi.model.OWLOntology get​(URL url, boolean useCache)  
    boolean isDeactivatedCache()  
    private static org.semanticweb.owlapi.model.OWLOntology readOWLOntology​(String uri)  
    void setDeactivatedCache​(boolean deactivatedCache)
    Deactivating the cache will also clear the cache.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • LOGGER

      private static final org.slf4j.Logger LOGGER

    • ontologyCache

      private static Map<String,​org.semanticweb.owlapi.model.OWLOntology> ontologyCache
      The internal cache for ontologies that is dependent on the OntModelSpec.

    • isDeactivatedCache

      private static boolean isDeactivatedCache
      This flag indicates whether the cache is to be used (i.e., ontologies are held in memory).

  • Constructor Details

  • Method Details

    • get

      public static org.semanticweb.owlapi.model.OWLOntology get​(String uri, boolean useCache)
      Returns the OntModel for the given uri using a cache if indicated to do so.
      Parameters:
      uri - The URI of the ontology that shall be cached.
      useCache - Indicates whether the cache shall be used. If set to false, ontologies will not be held in memory but re-read every time time.
      Returns:
      OntModel reference.

    • readOWLOntology

      private static org.semanticweb.owlapi.model.OWLOntology readOWLOntology​(String uri)

    • createManager

      private static org.semanticweb.owlapi.model.OWLOntologyManager createManager()

    • get

      public static org.semanticweb.owlapi.model.OWLOntology get​(URL url, boolean useCache)

    • get

      public static org.semanticweb.owlapi.model.OWLOntology get​(String uri)

    • get

      public static org.semanticweb.owlapi.model.OWLOntology get​(URL url)

    • get

      public static org.semanticweb.owlapi.model.OWLOntology get​(File file)

    • isDeactivatedCache

      public boolean isDeactivatedCache()

    • emptyCache

      public static void emptyCache()
      Empties the cache.

    • setDeactivatedCache

      public void setDeactivatedCache​(boolean deactivatedCache)
      Deactivating the cache will also clear the cache. If an ontology is requested twice it is ready every time from disk.
      Parameters:
      deactivatedCache - true if cache is to be deactivated, else false.