match.java

OSGI这是一个中间件,与UPNP齐名,是用于移植到嵌入式平台之上

/*
 * $Header: /home/wistrand/cvs/knopflerfish.org/osgi/bundles/device/device/src/org/osgi/service/device/Match.java,v 1.1.1.1 2004/03/05 20:35:06 wistrand Exp $
 *
 * Copyright (c) The Open Services Gateway Initiative (2001, 2002).
 * All Rights Reserved.
 *
 * Implementation of certain elements of the Open Services Gateway Initiative
 * (OSGI) Specification may be subject to third party intellectual property
 * rights, including without limitation, patent rights (such a third party may
 * or may not be a member of OSGi). OSGi is not responsible and shall not be
 * held responsible in any manner for identifying or failing to identify any or
 * all such third party intellectual property rights.
 *
 * This document and the information contained herein are provided on an "AS
 * IS" basis and OSGI DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL
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 * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL OSGI BE LIABLE FOR ANY
 * LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OF DATA, INTERRUPTION OF
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 * PUNITIVE OR CONSEQUENTIAL DAMAGES OF ANY KIND IN CONNECTION WITH THIS
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 */

package org.osgi.service.device;

import org.osgi.framework.ServiceReference;

/**
 * Instances of <tt>Match</tt> are used in the {@link DriverSelector#select}
 * method to identify Driver services matching a Device service.
 * 
 * @version $Revision: 1.1.1.1 $
 * @author Open Services Gateway Initiative
 * @since 1.1
 * @see DriverSelector
 */

public abstract interface Match {
    /**
     * Return the reference to a Driver service.
     * 
     * @return <tt>ServiceReference</tt> object to a Driver service.
     */
    public abstract ServiceReference getDriver();

    /**
     * Return the match value of this object.
     * 
     * @return the match value returned by this Driver service.
     */
    public abstract int getMatchValue();
}