org.eclipse.osgi.service.resolver.ExportPackageDescription.java Source code

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Here is the source code for org.eclipse.osgi.service.resolver.ExportPackageDescription.java

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/*******************************************************************************
 * Copyright (c) 2003, 2012 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.service.resolver;

import java.util.Map;

/**
 * This class represents a specific version of an exported package in the system.
 * <p>
 * This interface is not intended to be implemented by clients.  The
 * {@link StateObjectFactory} should be used to construct instances.
 * </p>
 * @since 3.1
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface ExportPackageDescription extends BaseDescription {

    /**
     * Returns true if the export package is a root package; false otherwise.
     * A ExportPackageDescription is not a root package the exporting bundle
     * is re-exporting the package using the Reexport-Package header.
     * @return true if the export package is a root package; false otherwise
     * @deprecated all export package descriptions are roots.  The Reexport-Package header
     * never became API.
     */
    public boolean isRoot();

    /**
     * Returns the arbitrary attributes for this package.
     * @return the arbitrary attributes for this package
     */
    public Map<String, Object> getAttributes();

    /**
     * Returns the directives for this package.
     * @return the directives for this package
     */
    public Map<String, Object> getDirectives();

    /**
     * Returns the specified directive for this package.
     * @param key the directive to fetch
     * @return the specified directive for this package
     */
    public Object getDirective(String key);

    /**
     * Returns the exporter of this package. 
     * @return the exporter of this package.
     */
    public BundleDescription getExporter();
}