Package: BooleanBoundFunctionSupport
BooleanBoundFunctionSupport
name | instruction | branch | complexity | line | method | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BooleanBoundFunctionSupport(ChangingSource[]) |
|
|
|
|
|
||||||||||||||||||||
get() |
|
|
|
|
|
Coverage
1: /*
2: * #%L
3: * *********************************************************************************************************************
4: *
5: * These Foolish Things - Miscellaneous utilities
6: * http://thesefoolishthings.tidalwave.it - git clone git@bitbucket.org:tidalwave/thesefoolishthings-src.git
7: * %%
8: * Copyright (C) 2009 - 2018 Tidalwave s.a.s. (http://tidalwave.it)
9: * %%
10: * *********************************************************************************************************************
11: *
12: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
13: * the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
18: * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
19: * specific language governing permissions and limitations under the License.
20: *
21: * *********************************************************************************************************************
22: *
23: * $Id$
24: *
25: * *********************************************************************************************************************
26: * #L%
27: */
28: package it.tidalwave.role.ui.function;
29:
30: import javax.annotation.Nonnull;
31: import it.tidalwave.role.ui.ChangingSource;
32: import java.beans.PropertyChangeEvent;
33: import java.beans.PropertyChangeListener;
34:
35: /***********************************************************************************************************************
36: *
37: * @author Fabrizio Giudici
38: * @version $Id$
39: *
40: **********************************************************************************************************************/
41: public abstract class BooleanBoundFunctionSupport extends BoundFunctionSupport<Boolean, Boolean>
42: {
43: protected final ChangingSource<Boolean>[] sources;
44:
45: private boolean oldValue;
46:
47: private boolean newValue;
48:
49: private final PropertyChangeListener pcl = new PropertyChangeListener()
50: {
51: @Override
52: public void propertyChange (final @Nonnull PropertyChangeEvent event)
53: {
54: newValue = function();
55: fireValueChanged(oldValue, newValue);
56: oldValue = newValue;
57: };
58: };
59:
60: public BooleanBoundFunctionSupport (final @Nonnull ChangingSource<Boolean> ... sources)
61: {
62: this.sources = sources;
63:
64:• for (final ChangingSource<Boolean> source : sources)
65: {
66: source.addPropertyChangeListener(pcl);
67: }
68:
69: oldValue = function();
70: }
71:
72: protected abstract boolean function();
73:
74: @Override @Nonnull
75: public final Boolean get()
76: {
77: return newValue;
78: }
79: }