Method: lambda$static$1()

1: /*
2: * *********************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *********************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
12: * the License. You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
17: * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations under the License.
19: *
20: * *********************************************************************************************************************
21: *
22: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
23: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
24: *
25: * *********************************************************************************************************************
26: */
27: package it.tidalwave.role.ui;
28:
29: /***********************************************************************************************************************
30: *
31: * The role of an object that can be visible or not.
32: *
33: * @stereotype Role
34: * @author Fabrizio Giudici
35: * @since 3.2-ALPHA-7
36: *
37: **********************************************************************************************************************/
38: @FunctionalInterface
39: public interface Visible
40: {
41: public static final Class<Visible> _Visible_ = Visible.class;
42:
43: /*******************************************************************************************************************
44: *
45: * A role that is always visible.
46: *
47: ******************************************************************************************************************/
48: public static final Visible VISIBLE = () -> true;
49:
50: /*******************************************************************************************************************
51: *
52: * A role that is always invisible.
53: *
54: ******************************************************************************************************************/
55: public static final Visible INVISIBLE = () -> false;
56:
57: /*******************************************************************************************************************
58: *
59: * Returns the current visibility status.
60: *
61: * @return {@code true} if the object is visible
62: *
63: ******************************************************************************************************************/
64: @SuppressWarnings("UnusedReturnValue")
65: public boolean isVisible();
66: }