com.webobjects.eointerface
Class EOMasterAssociation

java.lang.Object
  |
  +--com.webobjects.eocontrol.EODelayedObserver
        |
        +--com.webobjects.eointerface.EOAssociation
              |
              +--com.webobjects.eointerface.EOMasterAssociation

All Implemented Interfaces:

EOObserving, NSDisposable

Direct Known Subclasses:

EOMasterCopyAssociation, EOMasterDetailAssociation

public abstract class EOMasterAssociation

extends EOAssociation

EOMasterAssociation is the abstract superclass of associations that link a master display group with a second, "child" display group. Use one of the concrete subclasses: EOMasterDetailAssociation, EOMasterPeerAssociation, or EOMasterCopyAssociation.

See Also:

EOMasterDetailAssociation, EOMasterPeerAssociation, EOMasterCopyAssociation

Field Summary

Fields inherited from class com.webobjects.eointerface.EOAssociation

ActionAspect, ArgumentAspect, AttributeAspectSignature, AttributeToManyAspectSignature, AttributeToOneAspectSignature, AttributeToOneToManyAspectSignature, BackgroundColorAspect, BoldAspect, ChildrenAspect, DestinationAspect, EnabledAspect, ExpandedIconAspect, IconAspect, IgnoreValue, IsLeafAspect, ItalicAspect, MatchKey1Aspect, MatchKey2Aspect, MatchKey3Aspect, NullAspectSignature, ParentAspect, RootAspect, SelectedIndexAspect, SelectedObjectAspect, SelectedTitleAspect, SetValue, SourceAspect, TextColorAspect, TitlesAspect, ToManyAspectSignature, ToOneAspectSignature, ToOneToManyAspectSignature, UnsetValue, URLAspect, ValueAspect

Fields inherited from class com.webobjects.eocontrol.EODelayedObserver

ObserverNumberOfPriorities, ObserverPriorityFifth, ObserverPriorityFirst, ObserverPriorityFourth, ObserverPriorityImmediate, ObserverPriorityLater, ObserverPrioritySecond, ObserverPrioritySixth, ObserverPriorityThird

Constructor Summary

EOMasterAssociation(Object object)
Used by subclasses of EOMasterAssociation to initialize data structures and set object as the display group that the association manages.

Method Summary

boolean	isUsableWithObject(Object object) Returns true if object is an instance of EODisplayGroup.
String	primaryAspect() Overridden by subclasses to return the default aspect.
int	priority() Returns the receiver's change notification priority.

Methods inherited from class com.webobjects.eointerface.EOAssociation

aspects, aspectSignatures, associationClassesForObject, bindAspect, breakConnection, copyMatchingBindingsFromAssociation, displayGroupForAspect, displayGroupKeyForAspect, dispose, endEditing, establishConnection, isConnected, isEnabled, isEnabledAtIndex, isExplicitlyDisabled, object, objectKeysTaken, registerAssociationClass, setExplicitlyDisabled, setObject, setValueForAspect, setValueForAspectAtIndex, shouldEndEditing, shouldEndEditingAtIndex, subjectChanged, valueForAspect, valueForAspectAtIndex

Methods inherited from class com.webobjects.eocontrol.EODelayedObserver

discardPendingNotification, objectWillChange, observerQueue

Methods inherited from class java.lang.Object

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

Constructor Detail

EOMasterAssociation

public EOMasterAssociation(Object object)

Used by subclasses of EOMasterAssociation to initialize data structures and set object as the display group that the association manages.

Parameters:

object - display object for this association to manage; subclasses should call super and pass in a display group as the object parameter

Method Detail

isUsableWithObject

public boolean isUsableWithObject(Object object)

Returns true if object is an instance of EODisplayGroup.

Overrides:

isUsableWithObject in class EOAssociation

Parameters:

object - this method should verify that objectis usable with the association

Returns:

true if object is an instance of EODisplayGroup

See Also:

EOAssociation.isUsableWithObject(java.lang.Object)

primaryAspect

public String primaryAspect()

Overridden by subclasses to return the default aspect.

Overrides:

primaryAspect in class EOAssociation

Returns:

EOMasterAssociation's implementation returns EOAssociation.ParentAspect

See Also:

EOAssociation.primaryAspect()

priority

public int priority()

Returns the receiver's change notification priority. For more information, see the EODelayedObserver class specification (EOControl).

Overrides:

priority in class EOAssociation

Returns:

EOAssociation's implementation returns ObserverPrioritySecond

See Also:

EODelayedObserver