Mercurial > projects > dwt2
view org.eclipse.osgi/osgi/src/org/osgi/framework/BundleActivator.d @ 105:bbe49769ec18
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author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 08 Nov 2009 12:42:30 +0100 |
parents | 12b890a6392a |
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/* * $Header: /cvshome/build/org.osgi.framework/src/org/osgi/framework/BundleActivator.java,v 1.14 2007/02/21 16:49:05 hargrave Exp $ * * Copyright (c) OSGi Alliance (2000, 2007). All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // Port to the D programming language: // Frank Benoit <benoit@tionex.de> module org.osgi.framework.BundleActivator; import java.lang.all; import org.osgi.framework.BundleContext; // packageimport /** * Customizes the starting and stopping of a bundle. * <p> * <code>BundleActivator</code> is an interface that may be implemented when a * bundle is started or stopped. The Framework can create instances of a * bundle's <code>BundleActivator</code> as required. If an instance's * <code>BundleActivator.start</code> method executes successfully, it is * guaranteed that the same instance's <code>BundleActivator.stop</code> * method will be called when the bundle is to be stopped. The Framework must * not concurrently call a <code>BundleActivator</code> object. * * <p> * <code>BundleActivator</code> is specified through the * <code>Bundle-Activator</code> Manifest header. A bundle can only specify a * single <code>BundleActivator</code> in the Manifest file. Fragment bundles * must not have a <code>BundleActivator</code>. The form of the Manifest * header is: * * <p> * <code>Bundle-Activator: <i>class-name</i></code> * * <p> * where <code><i>class-name</i></code> is a fully qualified Java classname. * <p> * The specified <code>BundleActivator</code> class must have a public * constructor that takes no parameters so that a <code>BundleActivator</code> * object can be created by <code>Class.newInstance()</code>. * * @NotThreadSafe * @version $Revision: 1.14 $ */ public interface BundleActivator { /** * Called when this bundle is started so the Framework can perform the * bundle-specific activities necessary to start this bundle. This method * can be used to register services or to allocate any resources that this * bundle needs. * * <p> * This method must complete and return to its caller in a timely manner. * * @param context The execution context of the bundle being started. * @throws java.lang.Exception If this method throws an exception, this * bundle is marked as stopped and the Framework will remove this * bundle's listeners, unregister all services registered by this * bundle, and release all services used by this bundle. */ public void start(BundleContext context) ; /** * Called when this bundle is stopped so the Framework can perform the * bundle-specific activities necessary to stop the bundle. In general, this * method should undo the work that the <code>BundleActivator.start</code> * method started. There should be no active threads that were started by * this bundle when this bundle returns. A stopped bundle must not call any * Framework objects. * * <p> * This method must complete and return to its caller in a timely manner. * * @param context The execution context of the bundle being stopped. * @throws java.lang.Exception If this method throws an exception, the * bundle is still marked as stopped, and the Framework will remove * the bundle's listeners, unregister all services registered by the * bundle, and release all services used by the bundle. */ public void stop(BundleContext context) ; }