Package org.gcube.informationsystem.types.knowledge

Class TypesKnowledge

java.lang.Object
org.gcube.informationsystem.types.knowledge.TypesKnowledge
public class TypesKnowledge extends Object
Manages the knowledge about types.
Author:
Luca Frosini (ISTI - CNR)

  • Field Details

    • DEFAULT_EXPIRING_TIMEOUT

      public static final long DEFAULT_EXPIRING_TIMEOUT
      The default expiring timeout.

    • initialized

      protected boolean initialized
      A flag indicating whether the knowledge has been initialized.

    • expiringTimeout

      public int expiringTimeout
      The expiring timeout.

    • creationTime

      protected Calendar creationTime
      The creation time.

    • expiringTime

      protected Calendar expiringTime
      The expiring time.

    • modelKnowledge

      protected ModelKnowledge<Type,TypeInformation> modelKnowledge
      The model knowledge.

    • typesDiscoverer

      protected TypesDiscoverer<Type> typesDiscoverer
      The types discoverer.

  • Constructor Details

    • TypesKnowledge

      public TypesKnowledge()
      Constructs a new TypesKnowledge.

  • Method Details

    • getInstance

      public static TypesKnowledge getInstance()
      Returns the singleton instance of this class.
      Returns:
      The singleton instance.

    • setExpiringTimeout

      public void setExpiringTimeout(int expiringTimeout)
      Sets the expiring timeout.
      Parameters:
      expiringTimeout - The expiring timeout in milliseconds.

    • getTypesDiscoverer

      public TypesDiscoverer<Type> getTypesDiscoverer()
      Returns the types discoverer.
      Returns:
      The types discoverer.

    • setTypesDiscoverer

      public void setTypesDiscoverer(TypesDiscoverer<Type> typesDiscoverer)
      Sets the types discoverer.
      Parameters:
      typesDiscoverer - The types discoverer.

    • getModelKnowledge

      public ModelKnowledge<Type,TypeInformation> getModelKnowledge()
      Returns the model knowledge.
      Returns:
      The model knowledge.

    • init

      protected void init(boolean forceReinitialization)
      Initializes the knowledge.
      Parameters:
      forceReinitialization - A flag indicating whether to force reinitialization.

    • discover

      public void discover()
      This method do nothing if TypesDiscoverer was not set. Otherwise initialized the ModelKnowledge if it was not already initialized. To enforce rediscovery use renew method.

    • renew

      public void renew()
      Force reinitialization of