Examples of org.eclipse.core.runtime.ListenerList

org.eclipse.core.runtime.ListenerList
This class is a thread safe list that is designed for storing lists of listeners. The implementation is optimized for minimal memory footprint, frequent reads and infrequent writes. Modification of the list is synchronized and relatively expensive, while accessing the listeners is very fast. Readers are given access to the underlying array data structure for reading, with the trust that they will not modify the underlying array.
A listener list handles the same listener being added multiple times, and tolerates removal of listeners that are the same as other listeners in the list. For this purpose, listeners can be compared with each other using either equality or identity, as specified in the list constructor.
Use the getListeners method when notifying listeners. The recommended code sequence for notifying all registered listeners of say, FooListener.eventHappened, is:
```
 Object[] listeners = myListenerList.getListeners(); for (int i = 0; i < listeners.length; ++i) { ((FooListener) listeners[i]).eventHappened(event); } 
```
This class can be used without OSGi running.
@since org.eclipse.equinox.common 3.2

  private EOEntity myEntity;


  private ListenerList myListenerList;


  public EOEntityEditor() {
    myListenerList = new ListenerList();
  }

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    PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IIDEHelpContextIds.OPEN_WORKSPACE_FILE_ACTION);
  }


  public void addHandlerListener(final IHandlerListener listener) {
    if (listenerList == null) {
      listenerList = new ListenerList(ListenerList.IDENTITY);
    }


    listenerList.add(listener);
  }

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  private EOStoredProcedure myStoredProcedure;


  private ListenerList myListenerList;


  public EOArgumentsTableEditor() {
    myListenerList = new ListenerList();
  }

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  private final Object myCreatePagesLock = new Object();


  private int _failuresHashCode;


  public EOModelEditor() {
    mySelectionChangedListeners = new ListenerList();
    myDirtyModelListener = new DirtyModelListener();
    myEntitiesChangeListener = new EntitiesChangeRefresher();
    myFetchSpecsChangeListener = new FetchSpecsChangeRefresher();
    myEntityIndexesChangeListener = new EntityIndexesChangeRefresher();
    myStoredProceduresChangeListener = new StoredProceduresChangeRefresher();

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

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

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  /* (non-Javadoc)
   * @see org.eclipse.ui.console.IConsole#addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener)
   */
  public void addPropertyChangeListener(IPropertyChangeListener listener) {
    if (fListeners == null) {
      fListeners = new ListenerList();
    }
    fListeners.add(listener);    
  }

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  protected void completeInitialization() {


    fPositions= new HashMap();
    fEndPositions= new HashMap();
    fPositionUpdaters= new ArrayList();
    fDocumentListeners= new ListenerList(ListenerList.IDENTITY);
    fPrenotifiedDocumentListeners= new ListenerList(ListenerList.IDENTITY);
    fDocumentPartitioningListeners= new ListenerList(ListenerList.IDENTITY);
    fDocumentRewriteSessionListeners= new ArrayList();


    addPositionCategory(DEFAULT_CATEGORY);
    addPositionUpdater(new DefaultPositionUpdater(DEFAULT_CATEGORY));
  }

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

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      }
    }


    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)

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