Class PopulationManager


  • public class PopulationManager
    extends Object

    Purpose: This class is used to populate example data into the database, it allows for circular references to be resolved.

    Responsibilities:

    • Allow objects to be registered.
    • Allow objects to be looked up.
    • Store a globally accessible default instance.
    • Field Detail

      • registeredObjects

        protected Hashtable registeredObjects
        Store the objects registered.
      • defaultManager

        protected static PopulationManager defaultManager
        Store the default instance.
    • Constructor Detail

      • PopulationManager

        public PopulationManager()
    • Method Detail

      • addAllObjectsForAbstractClass

        public void addAllObjectsForAbstractClass​(Class objectsClass,
                                                  AbstractSession session,
                                                  Vector allObjects)
        Add all of the objects of the class and all of its subclasses. The session is needed because there is no other way to find all subclasses.
      • addAllObjectsForAbstractClass

        public void addAllObjectsForAbstractClass​(Class objectsClass,
                                                  Session session,
                                                  Vector allObjects)
        Add all of the objects of the class and all of its subclasses. The session is needed because there is no other way to find all subclasses.
      • addAllObjectsForClass

        public void addAllObjectsForClass​(Class objectsClass,
                                          List allObjects)
        Add all of the objects of the class.
      • containsObject

        public boolean containsObject​(Class objectsClass,
                                      String objectsName)
        Check if the object is registered given its name.
      • containsObject

        public boolean containsObject​(Object objectToCheck,
                                      String objectsName)
        Check if the object is registered given its name.
      • getAllClasses

        public Vector getAllClasses()
        Return all of the objects registered.
      • getAllObjects

        public Vector getAllObjects()
        Return all of the objects registered.
      • getAllObjectsForAbstractClass

        public Vector getAllObjectsForAbstractClass​(Class objectsClass)
        Return all of the objects of the class and all of its subclasses.
      • getAllObjectsForAbstractClass

        public Vector getAllObjectsForAbstractClass​(Class objectsClass,
                                                    AbstractSession session)
        Return all of the objects of the class and all of its subclasses. The session is needed because there is no other way to find all subclasses.
      • getAllObjectsForClass

        public Vector getAllObjectsForClass​(Class objectsClass)
        Return all of the objects of the class.
      • getDefaultManager

        public static PopulationManager getDefaultManager()
        Lazy initialize the default instance.
      • getObject

        public Object getObject​(Class objectsClass,
                                String objectsName)
        Return the object registered given its name.
      • getRegisteredObjects

        public Hashtable getRegisteredObjects()
        Return the registered objects.
      • registerObject

        public Object registerObject​(Class javaClass,
                                     Object objectToRegister,
                                     String objectsName)
        Register the object given its name. The objects are represented as a hashtable of hashtables, lazy initialized on the class.
      • registerObject

        public Object registerObject​(Object objectToRegister,
                                     String objectsName)
        Register the object given its name. The objects are represented as a hashtable of hashtables, lazy initialized on the class.
      • removeObject

        public void removeObject​(Class classToRemove,
                                 String objectsName)
        Remove the object given its class and name.
      • removeObject

        public Object removeObject​(Object objectToRemove,
                                   String objectsName)
        Remove the object given its name.
      • resetDefaultManager

        public static void resetDefaultManager()
        Reset the default instance.
      • setDefaultManager

        public static void setDefaultManager​(PopulationManager theDefaultManager)
        Set the default instance.
      • setRegisteredObjects

        public void setRegisteredObjects​(Hashtable registeredObjects)
        Set the registered objects.