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java.lang.Objectorg.eclipse.core.databinding.observable.ChangeManager
org.eclipse.core.databinding.observable.AbstractObservable
org.eclipse.core.databinding.observable.value.AbstractObservableValue
org.eclipse.core.databinding.observable.value.AbstractVetoableValue
This class is thread safe. All state accessing methods must be invoked from
the current realm. Methods for adding and removing
listeners may be invoked from any thread.
| Constructor Summary | |
|---|---|
AbstractVetoableValue()
Creates a new vetoable value. |
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AbstractVetoableValue(Realm realm)
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| Method Summary | |
|---|---|
void |
addValueChangingListener(IValueChangingListener listener)
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void |
dispose()
Disposes of this observable object, removing all listeners registered with this object, and all listeners this object might have registered on other objects. |
protected abstract void |
doSetApprovedValue(Object value)
Sets the value. |
protected void |
doSetValue(Object value)
Template method for setting the value of the observable. |
protected boolean |
fireValueChanging(ValueDiff diff)
Notifies listeners about a pending change, and returns true if no listener vetoed the change. |
void |
removeValueChangingListener(IValueChangingListener listener)
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| Methods inherited from class org.eclipse.core.databinding.observable.value.AbstractObservableValue |
|---|
addValueChangeListener, doGetValue, fireChange, fireValueChange, getValue, isStale, removeValueChangeListener, setValue |
| Methods inherited from class org.eclipse.core.databinding.observable.AbstractObservable |
|---|
addChangeListener, addListener, addStaleListener, checkRealm, fireEvent, fireStale, firstListenerAdded, getRealm, hasListeners, lastListenerRemoved, removeChangeListener, removeListener, removeStaleListener |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.eclipse.core.databinding.observable.value.IObservableValue |
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addValueChangeListener, getValue, getValueType, removeValueChangeListener, setValue |
| Methods inherited from interface org.eclipse.core.databinding.observable.IObservable |
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addChangeListener, addStaleListener, getRealm, isStale, removeChangeListener, removeStaleListener |
| Constructor Detail |
public AbstractVetoableValue()
public AbstractVetoableValue(Realm realm)
realm - | Method Detail |
protected final void doSetValue(Object value)
AbstractObservableValueUnsupportedOperationException.
doSetValue in class AbstractObservableValuevalue - protected abstract void doSetApprovedValue(Object value)
value - public void addValueChangingListener(IValueChangingListener listener)
addValueChangingListener in interface IVetoableValuelistener - public void removeValueChangingListener(IValueChangingListener listener)
removeValueChangingListener in interface IVetoableValuelistener - protected boolean fireValueChanging(ValueDiff diff)
diff -
public void dispose()
IObservable
dispose in interface IObservabledispose in class AbstractObservableValue
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