?? linkstatus.java
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// $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> © 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);}
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