// $Id: LinkStatus.java,v 1.1.1.1 2002/08/27 12:33:06 grosbois Exp $//// $Log: LinkStatus.java,v $// Revision 1.1.1.1  2002/08/27 12:33:06  grosbois// Add cryptix 3.2//// Revision 1.1.1.1  1997/11/20 21:04:51  hopwood// + Moved these classes here from cryptix.core.util.*.//// Revision 1.1  1997/11/05 16:48:02  raif// *** empty log message ***////// 1.0.1        21 Jul 1997     David Hopwood// + Added useNative, checkNative and setNative methods.//// 1.0.0        21 Jul 1997     David Hopwood// + Start of history (Cryptix 2.2.0a).///* * Copyright (c) 1997 Systemics Ltd * on behalf of the Cryptix Development Team.  All rights reserved. */package cryptix.util.core;/** * A class providing information about the linking status of a * native library (whether it was loaded successfully, its required * and actual version numbers, etc.) * <p> * The status of a library used by a particular Cryptix class can * be found by calling the static method <code>getLinkStatus()</code> * on that class. * <p> * * <b>Copyright</b> &copy; 1997 * <a href="http://www.systemics.com/">Systemics Ltd</a> on behalf of the * <a href="http://www.systemics.com/docs/cryptix/">Cryptix Development Team</a>. * <br>All rights reserved. * * @author  David Hopwood * @version 1.0.1, 1997/07/21 * @since   Cryptix 2.2.0a, 2.2.2 */public interface LinkStatus{    /** Returns the required major version number. */    int getRequiredMajorVersion();    /** Returns the required minor version number. */    int getRequiredMinorVersion();    /** Returns the library name. */    String getLibraryName();    /** Returns the actual major version number. */    int getMajorVersion();    /** Returns the actual minor version number. */    int getMinorVersion();    /**     * Returns true if the library was loaded. It may or may not be the     * correct version.     */    boolean isLibraryLoaded();    /** Returns true if the library was loaded successfully. */    boolean isLibraryCorrect();    /** Returns true if native code is being used. */    boolean useNative();    /**     * Returns an error string describing why the library failed to load,     * or null if there was no error.     *     * @return the error string, or null if no error occured     */    String getLinkErrorString();    /**     * Checks that the native library is being used (i.e. it loaded successfully,     * has valid version numbers, and has not been disabled).     *     * @exception UnsatisfiedLinkError if the library is not being used     */    void checkNative() throws UnsatisfiedLinkError;    /**     * Enables or disables the native code. By default, native code     * is used whenever its library can be loaded correctly.     * This method can be used to disable native linking (and re-enable     * it) for a specific class.     *     * @param enable    true if native code should be used.     */    void setNative(boolean enable);}