| /******************************************************************************* |
| * Copyright (c) 2008, 2010 VMware Inc. |
| * 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: |
| * VMware Inc. - initial contribution |
| *******************************************************************************/ |
| |
| package org.eclipse.virgo.nano.core; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleException; |
| |
| |
| /** |
| * Provides a mechanism to start {@link Bundle bundles}, and wait until the <code>Bundle</code> is started, including |
| * any asynchronous creation of an application context. |
| * |
| * <strong>Concurrent Semantics</strong><br /> |
| * |
| * Implementations <strong>must</strong> be thread safe. |
| * |
| */ |
| public interface BundleStarter { |
| |
| /** |
| * Starts the supplied {@link Bundle}, driving the supplied signal upon successful or unsuccessful completion |
| * of start processing. If the <code>Bundle</code> constructs an application context, then the |
| * signal will not be driven until application context construction has completed. |
| * |
| * @param bundle the <code>Bundle</code> to start. |
| * @param signal the <code>Signal</code> to drive. |
| * @throws BundleException if Bundle {@link Bundle#start()} fails |
| */ |
| void start(Bundle bundle, AbortableSignal signal) throws BundleException; |
| |
| /** |
| * Starts the supplied {@link Bundle}, driving the supplied signal upon successful or unsuccessful completion |
| * of start processing. If the <code>Bundle</code> constructs an application context, then the |
| * signal will not be driven until application context construction has completed. The supplied <code>options</code> |
| * are passed to the <code>bundle</code>'s {@link Bundle#start() start} method. |
| * |
| * @param bundle the <code>Bundle</code> to start. |
| * @param options the options to be passed to the bundle's {@link Bundle#start() start} method. |
| * @param signal the <code>Signal</code> to drive. |
| * @throws BundleException |
| */ |
| void start(Bundle bundle, int options, AbortableSignal signal) throws BundleException; |
| |
| /** |
| * Apply tracking to the given <code>Bundle</code> using the given <code>Signal</code> but don't actually start it. |
| * |
| * @param bundle the <code>Bundle</code> to track. |
| * @param signal the <code>Signal</code> to be notified. |
| */ |
| void trackStart(Bundle bundle, AbortableSignal signal); |
| } |