Package: WeakCopyFunctionSupport

WeakCopyFunctionSupport

name	instruction	branch	complexity	line	method
WeakCopyFunctionSupport(ChangingSource)	M: 4 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%
function(Object)	M: 2 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 1 C: 0 0%	M: 1 C: 0 0%
onSourceChange(Object, Object)	M: 21 C: 0 0%	M: 2 C: 0 0%	M: 2 C: 0 0%	M: 6 C: 0 0%	M: 1 C: 0 0%
set(Object)	M: 4 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%
static {...}	M: 4 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 1 C: 0 0%	M: 1 C: 0 0%

Coverage

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * SteelBlue: DCI User Interfaces
5: * http://tidalwave.it/projects/steelblue
6: *
7: * Copyright (C) 2015 - 2025 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 the License.
12: * 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 an "AS IS" BASIS, WITHOUT WARRANTIES OR
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/steelblue-src
22: * git clone https://github.com/tidalwave-it/steelblue-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.ui.core.function;
27:
28: import jakarta.annotation.Nonnull;
29: import it.tidalwave.ui.core.role.Changeable;
30: import it.tidalwave.ui.core.ChangingSource;
31: import lombok.extern.slf4j.Slf4j;
32:
33: /***************************************************************************************************************************************************************
34: *
35: * Changes the destination only at a certain condition in function of the target.
36: *
37: * @since 2.0-ALPHA-1
38: * @author Fabrizio Giudici
39: *
40: **************************************************************************************************************************************************************/
41: @Slf4j
42: public abstract class WeakCopyFunctionSupport<T> extends UnaryBoundFunctionSupport<T, T> implements Changeable<T>
43: {
44: @Nonnull
45: protected T targetValue;
46:
47: protected WeakCopyFunctionSupport (@Nonnull final ChangingSource<T> source)
48: {
49: super(source);
50: }
51:
52: @Override
53: protected void onSourceChange (@Nonnull final T oldSourceValue, @Nonnull final T newSourceValue)
54: {
55: final var oldValue = function(oldSourceValue);
56: final var newValue = function(newSourceValue);
57:
58:• if (shouldChange(oldValue, newValue))
59: {
60: value = newValue;
61: fireValueChanged(oldValue, newValue);
62: }
63: }
64:
65: @Override
66: public void set (final T value)
67: {
68: this.targetValue = value;
69: }
70:
71: protected abstract boolean shouldChange (T oldValue, T newValue);
72:
73: @Override @Nonnull
74: protected T function (@Nonnull final T value)
75: {
76: return value;
77: }
78: }