Package org.eclipse.core.databinding.observable

Class ChangeSupport

  • public abstract class ChangeSupport
extends Object
    Since:
    1.0

    • Constructor Detail

      • ChangeSupport

        public ChangeSupport​(Realm realm)
        Parameters:
        realm - the realm

    • Method Detail

      • addListener

        public void addListener​(Object listenerType,
                        IObservablesListener listener)
        Parameters:
        listenerType - arbitrary object to identify a type of the listener
        listener - the listener to add; not null

      • removeListener

        public void removeListener​(Object listenerType,
                           IObservablesListener listener)
        Parameters:
        listenerType - arbitrary object to identify a type of the listener
        listener - the listener to remove; not null

      • firstListenerAdded

        protected abstract void firstListenerAdded()

      • lastListenerRemoved

        protected abstract void lastListenerRemoved()

      • addChangeListener

        public void addChangeListener​(IChangeListener listener)
        Parameters:
        listener - the listener to add; not null

      • removeChangeListener

        public void removeChangeListener​(IChangeListener listener)
        Parameters:
        listener - the listener to remove; not null

      • addStaleListener

        public void addStaleListener​(IStaleListener listener)
        Parameters:
        listener - the listener to add; not null

      • removeStaleListener

        public void removeStaleListener​(IStaleListener listener)
        Parameters:
        listener - the listener to remove; not null

      • addDisposeListener

        public void addDisposeListener​(IDisposeListener listener)
        Parameters:
        listener - the listener to add; not null
        Since:
        1.2

      • removeDisposeListener

        public void removeDisposeListener​(IDisposeListener listener)
        Parameters:
        listener - the listener to remove; not null
        Since:
        1.2

      • hasListeners

        protected boolean hasListeners()

      • dispose

        public void dispose()

      • getRealm

        public Realm getRealm()
        Returns:
        Returns the realm.