Module org.eclipse.persistence.core
Package org.eclipse.persistence.tools.schemaframework

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 Map<Class<?>,​Map<String,​Object>> 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<Object> 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<Object> 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<Object> 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 List<Class<?>> getAllClasses()
        Return all of the objects registered.

      • getAllObjects

        public Vector<Object> getAllObjects()
        Return all of the objects registered.

      • getAllObjectsForAbstractClass

        public List<Object> getAllObjectsForAbstractClass​(Class<?> objectsClass)
        Return all of the objects of the class and all of its subclasses.

      • getAllObjectsForAbstractClass

        public List<Object> 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<Object> 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 Map<Class<?>,​Map<String,​Object>> 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​(Map<Class<?>,​Map<String,​Object>> registeredObjects)
        Set the registered objects.