org.eclipse.emf.ecore.util

Class BasicSettingDelegate

java.lang.Object

org.eclipse.emf.ecore.util.BasicSettingDelegate

All Implemented Interfaces:

EStructuralFeature.Internal.SettingDelegate

Direct Known Subclasses:

BasicSettingDelegate.Stateless

public abstract class BasicSettingDelegate
extends java.lang.Object
implements EStructuralFeature.Internal.SettingDelegate

A basic implementation of a stateful setting delegate. At least the first two of these methods need to be overridden.

• #dynamicGet(InternalEObject, DynamicValueHolder, int, boolean, boolean)
• #dynamicIsSet(InternalEObject, DynamicValueHolder, int)
• #dynamicSet(InternalEObject, DynamicValueHolder, int, Object)
• #dynamicUnset(InternalEObject, DynamicValueHolder, int)
• #dynamicInverseAdd(InternalEObject, DynamicValueHolder, int, InternalEObject, NotificationChain)
• #dynamicInverseRemove(InternalEObject, DynamicValueHolder, int, InternalEObject, NotificationChain)

Since:

2.6

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BasicSettingDelegate.Stateless A basic implementation of a stateless setting delegate.

Nested classes/interfaces inherited from interface org.eclipse.emf.ecore.EStructuralFeature.Internal.SettingDelegate

EStructuralFeature.Internal.SettingDelegate.Factory

Field Summary

Fields

Modifier and Type	Field and Description
protected EStructuralFeature	eStructuralFeature

Constructor Summary

Constructors

Constructor and Description
BasicSettingDelegate(EStructuralFeature eStructuralFeature)

Method Summary

Modifier and Type	Method and Description
abstract java.lang.Object	dynamicGet(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID, boolean resolve, boolean coreType) Returns the value of the feature of this owner.
NotificationChain	dynamicInverseAdd(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID, InternalEObject otherEnd, NotificationChain notifications) Adds the object at the other end of a bidirectional reference to the appropriate feature and returns accumulated notifications.
NotificationChain	dynamicInverseRemove(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID, InternalEObject otherEnd, NotificationChain notifications) Removes the object at the other end of a bidirectional reference from the appropriate feature and returns accumulated notifications.
abstract boolean	dynamicIsSet(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID) Returns whether the feature of the owner is considered to be set.
void	dynamicSet(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID, java.lang.Object newValue) Sets the value of the given feature of the owner to the new value.
EStructuralFeature.Setting	dynamicSetting(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID) Returns a setting that can be used to access the owner's feature.
void	dynamicUnset(InternalEObject owner, EStructuralFeature.Internal.DynamicValueHolder settings, int dynamicFeatureID) Unsets the value of the given feature of the owner.

Methods inherited from class java.lang.Object

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

Field Detail

eStructuralFeature

protected EStructuralFeature eStructuralFeature

Constructor Detail

BasicSettingDelegate

public BasicSettingDelegate(EStructuralFeature eStructuralFeature)

Method Detail

dynamicSetting

public EStructuralFeature.Setting dynamicSetting(InternalEObject owner,
                                                 EStructuralFeature.Internal.DynamicValueHolder settings,
                                                 int dynamicFeatureID)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Returns a setting that can be used to access the owner's feature.

Specified by:

dynamicSetting in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

Returns:

a setting that can be used to access the owner's feature.

See Also:

InternalEObject.eSetting(EStructuralFeature)

dynamicGet

public abstract java.lang.Object dynamicGet(InternalEObject owner,
                                            EStructuralFeature.Internal.DynamicValueHolder settings,
                                            int dynamicFeatureID,
                                            boolean resolve,
                                            boolean coreType)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Returns the value of the feature of this owner.

Specified by:

dynamicGet in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

resolve - whether to resolve.

coreType - return the core EMF object if value is a non-EMF wrapper/view.

Returns:

the value of the feature of this owner.

See Also:

EObject.eGet(EStructuralFeature, boolean)

dynamicIsSet

public abstract boolean dynamicIsSet(InternalEObject owner,
                                     EStructuralFeature.Internal.DynamicValueHolder settings,
                                     int dynamicFeatureID)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Returns whether the feature of the owner is considered to be set.

Specified by:

dynamicIsSet in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

Returns:

whether the feature of the owner is considered to be set.

See Also:

EObject.eIsSet(EStructuralFeature)

dynamicSet

public void dynamicSet(InternalEObject owner,
                       EStructuralFeature.Internal.DynamicValueHolder settings,
                       int dynamicFeatureID,
                       java.lang.Object newValue)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Sets the value of the given feature of the owner to the new value.

Specified by:

dynamicSet in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

newValue - the new value for the feature.

See Also:

EObject.eSet(EStructuralFeature, Object)

dynamicUnset

public void dynamicUnset(InternalEObject owner,
                         EStructuralFeature.Internal.DynamicValueHolder settings,
                         int dynamicFeatureID)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Unsets the value of the given feature of the owner.

Specified by:

dynamicUnset in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

See Also:

EObject.eUnset(EStructuralFeature)

dynamicInverseAdd

public NotificationChain dynamicInverseAdd(InternalEObject owner,
                                           EStructuralFeature.Internal.DynamicValueHolder settings,
                                           int dynamicFeatureID,
                                           InternalEObject otherEnd,
                                           NotificationChain notifications)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Adds the object at the other end of a bidirectional reference to the appropriate feature and returns accumulated notifications.

Specified by:

dynamicInverseAdd in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

otherEnd - the object to inverse add.

notifications - the incoming accumulated notifications.

Returns:

accumulated notifications.

See Also:

InternalEObject.eInverseAdd(org.eclipse.emf.ecore.InternalEObject, int, java.lang.Class<?>, NotificationChain)

dynamicInverseRemove

public NotificationChain dynamicInverseRemove(InternalEObject owner,
                                              EStructuralFeature.Internal.DynamicValueHolder settings,
                                              int dynamicFeatureID,
                                              InternalEObject otherEnd,
                                              NotificationChain notifications)

Description copied from interface: EStructuralFeature.Internal.SettingDelegate

Removes the object at the other end of a bidirectional reference from the appropriate feature and returns accumulated notifications.

Specified by:

dynamicInverseRemove in interface EStructuralFeature.Internal.SettingDelegate

Parameters:

owner - the owner of the feature.

settings - the owner's array of cached values.

dynamicFeatureID - the feature's index in the owner's cached dynamic values.

otherEnd - the object to inverse remove.

notifications - the incoming accumulated notifications.

Returns:

accumulated notifications.

See Also:

InternalEObject.eInverseRemove(org.eclipse.emf.ecore.InternalEObject, int, java.lang.Class<?>, NotificationChain)