xref: /aoo4110/main/offapi/com/sun/star/util/XLockable.idl (revision b1cdbd2c) 
1/**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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21
22
23
24#ifndef __com_sun_star_util_XLockable_idl__
25#define __com_sun_star_util_XLockable_idl__
26
27#include <com/sun/star/util/NotLockedException.idl>
28
29//==================================================================================================================
30
31module com { module sun { module star { module util {
32
33//==================================================================================================================
34
35/** allows locking a component
36
37    <p><code>lock</code> and <code>unlock</code> calls can be nested. However, they must be in
38    pairs. As long as there has been one more call to <code>lock</code> than to <code>unlock</code>, the
39    component is considered locked, which is reflected by <member>isLocked</member> returning <TRUE/>.</p>
40 */
41published interface XLockable
42{
43    /** locks</a> the component
44
45        @see unlock
46        @see isLocked
47    */
48    void    lock();
49
50    /** unlocks the component
51
52        @throws NotLockedException
53            if the component is not currently locked.
54
55        @see lock
56        @see isLocked
57    */
58    void    unlock()
59        raises  (   NotLockedException
60                );
61
62    /** determines whether the component is currently locked.
63
64        @see lock
65        @see unlock
66    */
67    boolean isLocked();
68};
69
70//==================================================================================================================
71
72}; }; }; };
73
74//==================================================================================================================
75
76#endif
77