How to use

org.eclipse.core.runtime.ListenerList

constructor

/**
 * Create a new SimpleSelectionProvider
 */
public SimpleSelectionProvider() {
  fSelectionChangedListeners= new ListenerList<>();
}

/**
 * Constructor
 */
public JDBCProfileTabs() {
  this.changeListeners = new ListenerList();
}
 

/**
 * @see IBuffer
 */
@Override
public synchronized void addBufferChangedListener(IBufferChangedListener listener) {
  if (this.changeListeners == null) {
    this.changeListeners = new ListenerList();
  }
  this.changeListeners.add(listener);
}
/**

@Override
public void addPropertyChangeListener(IPropertyChangeListener listener) {
  if (listenerList == null) {
    listenerList = new ListenerList<>(ListenerList.IDENTITY);
  }
  listenerList.add(listener);
}

/**
 * Adds the event listener to this hyperlink.
 *
 * @param listener
 *            the event listener to add
 */
public void addHyperlinkListener(IHyperlinkListener listener) {
  if (listeners == null)
    listeners = new ListenerList<>();
  listeners.add(listener);
}

public void addPropertyChangeListener(IPropertyChangeListener listener) {
  if (fListenerList == null)
    fListenerList= new ListenerList();
  fListenerList.add(listener);
}

/**
 * Registers a listener for changes of this <code>ICompareInput</code>.
 * Has no effect if an identical listener is already registered.
 *
 * @param listener the listener to add
 */
public void addCompareInputChangeListener(ICompareInputChangeListener listener) {
  if (fListener == null)
    fListener= new ListenerList();
  fListener.add(listener);
}

public void addPropertyChangeListener(IPropertyChangeListener listener) {
  if (fListeners == null) {
    fListeners = new ListenerList();
  }
  fListeners.add(listener);        
}

@Override
public void addListener(IMemoryRenderingBindingsListener listener) {
  if (fListeners == null) {
    fListeners = new ListenerList<>();
  }
  fListeners.add(listener);
}
/* (non-Javadoc)

@Override
public synchronized void addPropertyChangeListener(IPropertyChangeListener listener) {
  if (listeners == null) {
    listeners = new ListenerList(ListenerList.IDENTITY);
  }
  listeners.add(listener);
}

public void addContentChangeListener(IContentChangeListener listener) {
  if (fListenerList == null)
    fListenerList= new ListenerList();
  fListenerList.add(listener);
}

@Override
public void addExpressionListener(IExpressionListener listener) {
  if (fListeners == null) {
    fListeners = new ListenerList<>();
  }
  fListeners.add(listener);
}

public void addPropertyChangeListener(IPropertyChangeListener listener) {
  if (listenerList == null) {
    listenerList = new ListenerList(ListenerList.IDENTITY);
  }
  listenerList.add(listener);
}

/**
 * Registers a listener for changes of this {@link ICompareInput}.
 * Has no effect if an identical listener is already registered.
 *
 * @param listener the listener to add
 */
@Override
public void addCompareInputChangeListener(ICompareInputChangeListener listener) {
  if (fListener == null)
    fListener= new ListenerList<>();
  fListener.add(listener);
}

public void addPropertyChangeListener(IPropertyChangeListener listener) {
  synchronized (this) {
    if (listeners == null) {
      listeners = new ListenerList(ListenerList.IDENTITY);
    }
    listeners.add(listener);
  }
}
public void removePropertyChangeListener(IPropertyChangeListener listener) {

@Override
public synchronized void addDebugContextListener(IDebugContextListener listener, String partId) {
  ListenerList<IDebugContextListener> list = fListenersByPartId.get(partId);
  if (list == null) {
    list = new ListenerList<>();
    fListenersByPartId.put(partId, list);
  }
  list.add(listener);
}

public void addSelectionListener(String partId, ISelectionListener listener) {
  ListenerList<ISelectionListener> listeners = targetedListeners.get(partId);
  if (listeners == null) {
    listeners = new ListenerList<>();
    targetedListeners.put(partId, listeners);
  }
  listeners.add(listener);
  MPart part = partService.findPart(partId);
  if (part != null)
    track(part);
}

private void addListenersToWorkingSetManagers() {
  fListeners= new ListenerList(ListenerList.IDENTITY);
  fWorkingSetManagerListener= new IPropertyChangeListener() {
    public void propertyChange(PropertyChangeEvent event) {
      workingSetManagerChanged(event);
    }
  };
  PlatformUI.getWorkbench().getWorkingSetManager().addPropertyChangeListener(fWorkingSetManagerListener);
  fLocalWorkingSetManager.addPropertyChangeListener(fWorkingSetManagerListener);
}

private void addListenersToWorkingSetManagers() {
  fListeners= new ListenerList<>(ListenerList.IDENTITY);
  fWorkingSetManagerListener= new IPropertyChangeListener() {
    @Override
    public void propertyChange(PropertyChangeEvent event) {
      workingSetManagerChanged(event);
    }
  };
  PlatformUI.getWorkbench().getWorkingSetManager().addPropertyChangeListener(fWorkingSetManagerListener);
  fLocalWorkingSetManager.addPropertyChangeListener(fWorkingSetManagerListener);
}

public void addMessageHyperlinkListener(IHyperlinkListener listener) {
  if (listeners == null)
    listeners = new ListenerList<>();
  listeners.add(listener);
  ensureControlExists();
  if (messageHyperlink != null)
    messageHyperlink.addHyperlinkListener(listener);
  if (listeners.size() == 1)
    updateForeground();
}