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java.lang.Objectorg.eclipse.core.databinding.observable.AbstractObservable
org.eclipse.core.databinding.observable.value.AbstractObservableValue
public abstract class AbstractObservableValue
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 | |
|---|---|
AbstractObservableValue()
Constructs a new instance with the default realm. |
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AbstractObservableValue(Realm realm)
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| Method Summary | |
|---|---|
protected void |
addListener(java.lang.Object listenerType,
IObservablesListener listener)
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void |
addValueChangeListener(IValueChangeListener listener)
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protected java.lang.Object |
clone()
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protected abstract java.lang.Object |
doGetValue()
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protected void |
doSetValue(java.lang.Object value)
Template method for setting the value of the observable. |
protected void |
fireChange()
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protected void |
fireEvent(ObservableEvent event)
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protected void |
fireValueChange(ValueDiff diff)
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protected void |
firstListenerAdded()
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Realm |
getRealm()
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java.lang.Object |
getValue()
Returns the value. |
protected boolean |
hasListeners()
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boolean |
isStale()
Returns whether the state of this observable is stale and is expected to change soon. |
protected void |
lastListenerRemoved()
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protected void |
removeListener(java.lang.Object listenerType,
IObservablesListener listener)
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void |
removeValueChangeListener(IValueChangeListener listener)
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void |
setValue(java.lang.Object value)
Sets the value. |
| 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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getValueType |
| Methods inherited from interface org.eclipse.core.databinding.observable.IObservable |
|---|
addChangeListener, addDisposeListener, addStaleListener, dispose, getRealm, isDisposed, removeChangeListener, removeDisposeListener, removeStaleListener |
| Constructor Detail |
|---|
public AbstractObservableValue()
public AbstractObservableValue(Realm realm)
realm - | Method Detail |
|---|
public void addValueChangeListener(IValueChangeListener listener)
addValueChangeListener in interface IObservableValuepublic void removeValueChangeListener(IValueChangeListener listener)
removeValueChangeListener in interface IObservableValuepublic final void setValue(java.lang.Object value)
IObservableValueRealm of the observable.
setValue in interface IObservableValuevalue - the value to setprotected void doSetValue(java.lang.Object value)
UnsupportedOperationException.
value - protected void fireValueChange(ValueDiff diff)
public final java.lang.Object getValue()
IObservableValueRealm of the observable.
getValue in interface IObservableValueprotected abstract java.lang.Object doGetValue()
public boolean isStale()
IObservable
isStale in interface IObservableprotected void fireChange()
fireChange in class AbstractObservable
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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