| /******************************************************************************* |
| * Copyright (c) 2004, 2007 Boeing. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Boeing - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.osee.ote.message; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| import java.util.logging.Level; |
| import org.eclipse.osee.framework.logging.OseeLog; |
| import org.eclipse.osee.ote.message.instrumentation.IOInstrumentation; |
| |
| /** |
| * @author Andrew M. Finkbeiner |
| */ |
| public class IOInstrumentationDB { |
| |
| private final Map<String, IOInstrumentation> ioInstrumentation = new ConcurrentHashMap<>();; |
| private final CopyOnWriteArraySet<IInstrumentationRegistrationListener> listeners = |
| new CopyOnWriteArraySet<IInstrumentationRegistrationListener>(); |
| |
| IOInstrumentationDB() { |
| } |
| |
| public IOInstrumentation getIOInstrumentation(String name) {//, IOInstrumentation io){ |
| return ioInstrumentation.get(name); |
| } |
| |
| public IOInstrumentation registerIOInstrumentation(String name, IOInstrumentation io) { |
| IOInstrumentation old = ioInstrumentation.put(name, io); |
| if (old != io) { |
| notifyRegistration(name, io); |
| } |
| return old; |
| } |
| |
| public void unregisterIOInstrumentation(String name) { |
| IOInstrumentation io = ioInstrumentation.remove(name); |
| if (io != null) { |
| notifyDeregistration(name); |
| } |
| } |
| |
| public void addRegistrationListener(IInstrumentationRegistrationListener listener) { |
| listeners.add(listener); |
| for (Map.Entry<String, IOInstrumentation> entry : ioInstrumentation.entrySet()) { |
| try { |
| listener.onRegistered(entry.getKey(), entry.getValue()); |
| } catch (Exception e) { |
| OseeLog.log(IOInstrumentation.class, Level.SEVERE, |
| "exception notifying listener of IO instrumentation registration", e); |
| } |
| } |
| } |
| |
| public void removeRegistrationListener(IInstrumentationRegistrationListener listener) { |
| listeners.remove(listener); |
| } |
| |
| private void notifyRegistration(String name, IOInstrumentation io) { |
| for (IInstrumentationRegistrationListener listener : listeners) { |
| try { |
| listener.onRegistered(name, io); |
| } catch (Exception e) { |
| OseeLog.log(IOInstrumentation.class, Level.SEVERE, |
| "exception notifying listener of IO instrumentation registration", e); |
| } |
| } |
| } |
| |
| private void notifyDeregistration(String name) { |
| for (IInstrumentationRegistrationListener listener : listeners) { |
| try { |
| listener.onDeregistered(name); |
| } catch (Exception e) { |
| OseeLog.log(IOInstrumentation.class, Level.SEVERE, |
| "exception notifying listener of IO instrumentation de-registration", e); |
| } |
| } |
| } |
| } |