com.arsdigita.domain
Class ObservableDomainObject

java.lang.Object
  com.arsdigita.domain.DomainObject
      com.arsdigita.domain.ObservableDomainObject

Direct Known Subclasses:

ACSObject, MessagePart, TaskComment

public abstract class ObservableDomainObject

extends DomainObject

ObservableDomainObject extends DomainObject with an observer pattern on all modification methods, allowing objects to register to receive a callback on those operations.

Version:

1.0

Author:

Joseph Bank

Field Summary

static String

versionId

Constructor Summary

protected	ObservableDomainObject(DataObject dobj)
	ObservableDomainObject(ObjectType type) Constructor.
	ObservableDomainObject(OID oid) Constructor.
	ObservableDomainObject(String typeName) Constructor.

Method Summary

void	addObserver(DomainObjectObserver doo) Adds a new observer.
Iterator	getObservers() Return an iterator of all the current observers for this Domain Object

Methods inherited from class com.arsdigita.domain.DomainObject

add, add, addToAssociation, afterDelete, afterSave, beforeDelete, beforeSave, clear, delete, disconnect, equals, get, getBaseDataObjectType, getObjectType, getOID, getSession, hashCode, initialize, isDeleted, isDisconnected, isModified, isNew, isPropertyModified, isValid, remove, remove, remove, removeFromAssociation, save, set, setAssociation, setAssociation, specializeDataObject, specializeDataObject, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

versionId

public static final String versionId

See Also:

Constant Field Values

Constructor Detail

ObservableDomainObject

protected ObservableDomainObject(DataObject dobj)

ObservableDomainObject

public ObservableDomainObject(String typeName)

Constructor. The contained DataObject is initialized with a new DataObject with an ObjectType specified by the string typeName.

Parameters:

typeName - The name of the ObjectType of the contained DataObject.

See Also:

DomainObject.DomainObject(String), DataObject, ObjectType

ObservableDomainObject

public ObservableDomainObject(ObjectType type)

Constructor. The contained DataObject is initialized with a new DataObject with an ObjectType specified by type.

Parameters:

type - The ObjectType of the contained DataObject.

See Also:

DomainObject.DomainObject(ObjectType), DataObject, ObjectType

ObservableDomainObject

public ObservableDomainObject(OID oid)
                       throws DataObjectNotFoundException

Constructor. The contained DataObject is retrieved from the persistent storage mechanism with an OID specified by oid.

Parameters:

oid - The OID for the retrieved DataObject.

See Also:

DomainObject.DomainObject(OID), DataObject, OID

Method Detail

addObserver

public void addObserver(DomainObjectObserver doo)

Adds a new observer.

Parameters:

doo - the new observer

getObservers

public Iterator getObservers()

Return an iterator of all the current observers for this Domain Object