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javafx.beans.property

Class ReadOnlySetWrapper<E>

java.lang.Object
  • javafx.beans.binding.SetExpression<E>
    • javafx.beans.property.ReadOnlySetProperty<E>
      • javafx.beans.property.SetProperty<E>
        • javafx.beans.property.SetPropertyBase<E>
          • javafx.beans.property.SimpleSetProperty<E>
            • javafx.beans.property.ReadOnlySetWrapper<E>

All Implemented Interfaces:

Iterable<E>, Collection<E>, Set<E>, Observable, Property<ObservableSet<E>>, ReadOnlyProperty<ObservableSet<E>>, ObservableObjectValue<ObservableSet<E>>, ObservableSetValue<E>, ObservableValue<ObservableSet<E>>, WritableObjectValue<ObservableSet<E>>, WritableSetValue<E>, WritableValue<ObservableSet<E>>, ObservableSet<E>



public class ReadOnlySetWrapper<E>
extends SimpleSetProperty<E>
This class provides a convenient class to define read-only properties. It creates two properties that are synchronized. One property is read-only and can be passed to external users. The other property is read- and writable and should be used internally only.

Since:

JavaFX 2.1

  • Property Summary

    • Properties inherited from class javafx.beans.property.SetPropertyBase

      empty, size
  • Constructor Summary

    Constructors
    Constructor and Description
    ReadOnlySetWrapper()
    The constructor of ReadOnlySetWrapper
    ReadOnlySetWrapper(Object bean, String name)
    The constructor of ReadOnlySetWrapper
    ReadOnlySetWrapper(Object bean, String name, ObservableSet<E> initialValue)
    The constructor of ReadOnlySetWrapper
    ReadOnlySetWrapper(ObservableSet<E> initialValue)
    The constructor of ReadOnlySetWrapper
  • Method Summary

    All MethodsInstance MethodsConcrete Methods
    Modifier and Type Method and Description
    void addListener(ChangeListener<? super ObservableSet<E>> listener)
    Adds a ChangeListener which will be notified whenever the value of the ObservableValue changes.
    void addListener(InvalidationListener listener)
    Adds an InvalidationListener which will be notified whenever the Observable becomes invalid.
    void addListener(SetChangeListener<? super E> listener)
    Add a listener to this observable set.
    protected void fireValueChangedEvent()
    Sends notifications to all attached InvalidationListeners, ChangeListeners, and SetChangeListener.
    protected void fireValueChangedEvent(SetChangeListener.Change<? extends E> change)
    Sends notifications to all attached InvalidationListeners, ChangeListeners, and SetChangeListener.
    ReadOnlySetProperty<E> getReadOnlyProperty()
    Returns the readonly property, that is synchronized with this ReadOnlySetWrapper.
    void removeListener(ChangeListener<? super ObservableSet<E>> listener)
    Removes the given listener from the list of listeners, that are notified whenever the value of the ObservableValue changes.
    void removeListener(InvalidationListener listener)
    Removes the given listener from the list of listeners, that are notified whenever the value of the Observable becomes invalid.
    void removeListener(SetChangeListener<? super E> listener)
    Tries to removed a listener from this observable set.
    • Methods inherited from class javafx.beans.property.SimpleSetProperty

      getBean, getName
    • Methods inherited from class javafx.beans.property.SetPropertyBase

      bind, emptyProperty, get, invalidated, isBound, set, sizeProperty, toString, unbind
    • Methods inherited from class javafx.beans.property.SetProperty

      bindBidirectional, setValue, unbindBidirectional
    • Methods inherited from class javafx.beans.property.ReadOnlySetProperty

      bindContent, bindContentBidirectional, equals, hashCode, unbindContent, unbindContentBidirectional
    • Methods inherited from class javafx.beans.binding.SetExpression

      add, addAll, asString, clear, contains, containsAll, getSize, getValue, isEmpty, isEqualTo, isNotEqualTo, isNotNull, isNull, iterator, remove, removeAll, retainAll, setExpression, size, toArray, toArray
    • Methods inherited from class java.lang.Object

      clone, finalize, getClass, notify, notifyAll, wait, wait, wait
    • Methods inherited from interface javafx.beans.value.ObservableValue

      getValue
    • Methods inherited from interface javafx.beans.value.WritableValue

      getValue
    • Methods inherited from interface java.util.Set

      add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, spliterator, toArray, toArray
    • Methods inherited from interface java.util.Collection

      parallelStream, removeIf, stream
    • Methods inherited from interface java.lang.Iterable

      forEach
  • Constructor Detail

    • ReadOnlySetWrapper

      public ReadOnlySetWrapper()
      The constructor of ReadOnlySetWrapper
    • ReadOnlySetWrapper

      public ReadOnlySetWrapper(ObservableSet<E> initialValue)
      The constructor of ReadOnlySetWrapper

      Parameters:

      initialValue - the initial value of the wrapped value

    • ReadOnlySetWrapper

      public ReadOnlySetWrapper(Object bean,
                                String name)
      The constructor of ReadOnlySetWrapper

      Parameters:

      bean - the bean of this ReadOnlySetWrapper

    • ReadOnlySetWrapper

      public ReadOnlySetWrapper(Object bean,
                                String name,
                                ObservableSet<E> initialValue)
      The constructor of ReadOnlySetWrapper

      Parameters:

      bean - the bean of this ReadOnlySetWrapper

  • Method Detail

    • getReadOnlyProperty

      public ReadOnlySetProperty<E> getReadOnlyProperty()
      Returns the readonly property, that is synchronized with this ReadOnlySetWrapper.

      Returns:

      the readonly property

    • addListener

      public void addListener(InvalidationListener listener)
      Adds an InvalidationListener which will be notified whenever the Observable becomes invalid. If the same listener is added more than once, then it will be notified more than once. That is, no check is made to ensure uniqueness.

      Note that the same actual InvalidationListener instance may be safely registered for different Observables.

      The Observable stores a strong reference to the listener which will prevent the listener from being garbage collected and may result in a memory leak. It is recommended to either unregister a listener by calling removeListener after use or to use an instance of WeakInvalidationListener avoid this situation.

      Specified by:

      addListener in interface Observable

      Overrides:

      addListener in class SetPropertyBase<E>

      Parameters:

      listener - The listener to register

      See Also:

      Observable.removeListener(InvalidationListener)

    • removeListener

      public void removeListener(InvalidationListener listener)
      Removes the given listener from the list of listeners, that are notified whenever the value of the Observable becomes invalid.

      If the given listener has not been previously registered (i.e. it was never added) then this method call is a no-op. If it had been previously added then it will be removed. If it had been added more than once, then only the first occurrence will be removed.

      Specified by:

      removeListener in interface Observable

      Overrides:

      removeListener in class SetPropertyBase<E>

      Parameters:

      listener - The listener to remove

      See Also:

      Observable.addListener(InvalidationListener)

    • addListener

      public void addListener(ChangeListener<? super ObservableSet<E>> listener)
      Adds a ChangeListener which will be notified whenever the value of the ObservableValue changes. If the same listener is added more than once, then it will be notified more than once. That is, no check is made to ensure uniqueness.

      Note that the same actual ChangeListener instance may be safely registered for different ObservableValues.

      The ObservableValue stores a strong reference to the listener which will prevent the listener from being garbage collected and may result in a memory leak. It is recommended to either unregister a listener by calling removeListener after use or to use an instance of WeakChangeListener avoid this situation.

      Specified by:

      addListener in interface ObservableValue<ObservableSet<E>>

      Overrides:

      addListener in class SetPropertyBase<E>

      Parameters:

      listener - The listener to register

      See Also:

      ObservableValue.removeListener(ChangeListener)

    • removeListener

      public void removeListener(ChangeListener<? super ObservableSet<E>> listener)
      Removes the given listener from the list of listeners, that are notified whenever the value of the ObservableValue changes.

      If the given listener has not been previously registered (i.e. it was never added) then this method call is a no-op. If it had been previously added then it will be removed. If it had been added more than once, then only the first occurrence will be removed.

      Specified by:

      removeListener in interface ObservableValue<ObservableSet<E>>

      Overrides:

      removeListener in class SetPropertyBase<E>

      Parameters:

      listener - The listener to remove

      See Also:

      ObservableValue.addListener(ChangeListener)

    • addListener

      public void addListener(SetChangeListener<? super E> listener)
      Add a listener to this observable set.

      Specified by:

      addListener in interface ObservableSet<E>

      Overrides:

      addListener in class SetPropertyBase<E>

      Parameters:

      listener - the listener for listening to the set changes

    • removeListener

      public void removeListener(SetChangeListener<? super E> listener)
      Tries to removed a listener from this observable set. If the listener is not attached to this list, nothing happens.

      Specified by:

      removeListener in interface ObservableSet<E>

      Overrides:

      removeListener in class SetPropertyBase<E>

      Parameters:

      listener - a listener to remove

    • fireValueChangedEvent

      protected void fireValueChangedEvent()
      Sends notifications to all attached InvalidationListeners, ChangeListeners, and SetChangeListener. This method is called when the value is changed, either manually by calling SetPropertyBase.set(javafx.collections.ObservableSet) or in case of a bound property, if the binding becomes invalid.

      Overrides:

      fireValueChangedEvent in class SetPropertyBase<E>

    • fireValueChangedEvent

      protected void fireValueChangedEvent(SetChangeListener.Change<? extends E> change)
      Sends notifications to all attached InvalidationListeners, ChangeListeners, and SetChangeListener. This method is called when the content of the list changes.

      Overrides:

      fireValueChangedEvent in class SetPropertyBase<E>

      Parameters:

      change - the change that needs to be propagated

© 2008, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from JavaFX API Documentation.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Java, JavaFX and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

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