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java.lang.Objectorg.eclipse.core.databinding.observable.AbstractObservable
org.eclipse.core.databinding.observable.value.AbstractObservableValue
org.eclipse.core.databinding.observable.value.AbstractVetoableValue
public abstract class 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 | |
|---|---|
protected void |
addListener(java.lang.Object listenerType,
IObservablesListener listener)
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void |
addValueChangingListener(IValueChangingListener listener)
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protected java.lang.Object |
clone()
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protected abstract void |
doSetApprovedValue(java.lang.Object value)
Sets the value. |
protected void |
doSetValue(java.lang.Object value)
Template method for setting the value of the observable. |
protected void |
fireEvent(ObservableEvent event)
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protected boolean |
fireValueChanging(ValueDiff diff)
Notifies listeners about a pending change, and returns true if no listener vetoed the change. |
protected void |
firstListenerAdded()
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Realm |
getRealm()
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protected boolean |
hasListeners()
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protected void |
lastListenerRemoved()
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protected void |
removeListener(java.lang.Object listenerType,
IObservablesListener listener)
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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, addDisposeListener, addStaleListener, checkRealm, dispose, fireStale, isDisposed, removeChangeListener, removeDisposeListener, removeStaleListener |
| Methods inherited from class java.lang.Object |
|---|
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, addDisposeListener, addStaleListener, dispose, getRealm, isDisposed, isStale, removeChangeListener, removeDisposeListener, removeStaleListener |
| Constructor Detail |
|---|
public AbstractVetoableValue()
public AbstractVetoableValue(Realm realm)
realm - | Method Detail |
|---|
protected final void doSetValue(java.lang.Object value)
AbstractObservableValueUnsupportedOperationException.
doSetValue in class AbstractObservableValueprotected abstract void doSetApprovedValue(java.lang.Object value)
value - public void addValueChangingListener(IValueChangingListener listener)
addValueChangingListener in interface IVetoableValuepublic void removeValueChangingListener(IValueChangingListener listener)
removeValueChangingListener in interface IVetoableValueprotected boolean fireValueChanging(ValueDiff diff)
diff -
protected void addListener(java.lang.Object listenerType,
IObservablesListener listener)
listenerType - listener -
protected void removeListener(java.lang.Object listenerType,
IObservablesListener listener)
listenerType - listener - protected boolean hasListeners()
protected void fireEvent(ObservableEvent event)
protected void firstListenerAdded()
protected void lastListenerRemoved()
public Realm getRealm()
protected java.lang.Object clone()
throws java.lang.CloneNotSupportedException
clone in class java.lang.Objectjava.lang.CloneNotSupportedException
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