org.eclipse.persistence.tools.schemaframework

Class PopulationManager

java.lang.Object

org.eclipse.persistence.tools.schemaframework.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 Summary

Fields

Modifier and Type	Field and Description
protected static PopulationManager	defaultManager Store the default instance.
protected Hashtable	registeredObjects Store the objects registered.

Constructor Summary

Constructors

Constructor and Description
PopulationManager()

Method Summary

Modifier and Type	Method and Description
void	addAllObjectsForAbstractClass(Class objectsClass, org.eclipse.persistence.internal.sessions.AbstractSession session, Vector allObjects) Add all of the objects of the class and all of its subclasses.
void	addAllObjectsForAbstractClass(Class objectsClass, Session session, Vector allObjects) Add all of the objects of the class and all of its subclasses.
void	addAllObjectsForClass(Class objectsClass, List allObjects) Add all of the objects of the class.
boolean	containsObject(Class objectsClass, String objectsName) Check if the object is registered given its name.
boolean	containsObject(Object objectToCheck, String objectsName) Check if the object is registered given its name.
Vector	getAllClasses() Return all of the objects registered.
Vector	getAllObjects() Return all of the objects registered.
Vector	getAllObjectsForAbstractClass(Class objectsClass) Return all of the objects of the class and all of its subclasses.
Vector	getAllObjectsForAbstractClass(Class objectsClass, org.eclipse.persistence.internal.sessions.AbstractSession session) Return all of the objects of the class and all of its subclasses.
Vector	getAllObjectsForClass(Class objectsClass) Return all of the objects of the class.
static PopulationManager	getDefaultManager() Lazy initialize the default instance.
Object	getObject(Class objectsClass, String objectsName) Return the object registered given its name.
Hashtable	getRegisteredObjects() Return the registered objects.
Object	registerObject(Class javaClass, Object objectToRegister, String objectsName) Register the object given its name.
Object	registerObject(Object objectToRegister, String objectsName) Register the object given its name.
void	removeObject(Class classToRemove, String objectsName) Remove the object given its class and name.
Object	removeObject(Object objectToRemove, String objectsName) Remove the object given its name.
static void	resetDefaultManager() Reset the default instance.
static void	setDefaultManager(PopulationManager theDefaultManager) Set the default instance.
void	setRegisteredObjects(Hashtable registeredObjects) Set the registered objects.

Methods inherited from class java.lang.Object

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

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,
                                          org.eclipse.persistence.internal.sessions.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,
                                            org.eclipse.persistence.internal.sessions.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.