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#ifndef __com_sun_star_util_XLockable_idl__
#define __com_sun_star_util_XLockable_idl__

#include <com/sun/star/util/NotLockedException.idl>

//==================================================================================================================

module com { module sun { module star { module util { 

//==================================================================================================================

/** allows locking a component

    <p><code>lock</code> and <code>unlock</code> calls can be nested. However, they must be in
    pairs. As long as there has been one more call to <code>lock</code> than to <code>unlock</code>, the
    component is considered locked, which is reflected by <member>isLocked</member> returning <TRUE/>.</p>
 */
interface XLockable
{
    /** locks</a> the component

        @see unlock
        @see isLocked
    */
    void    lock();

    /** unlocks the component

        @throws NotLockedException
            if the component is not currently locked.
    
        @see lock
        @see isLocked
    */
    void    unlock()
        raises  (   NotLockedException
                );

    /** determines whether the component is currently locked.

        @see lock
        @see unlock
    */
    boolean isLocked();
};

//==================================================================================================================

}; }; }; };

//==================================================================================================================

#endif
