Method: computeResults()

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2024 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/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.util.impl.finder;
27:
28: import javax.annotation.Nonnull;
29: import java.util.ArrayList;
30: import java.util.Collection;
31: import java.util.Collections;
32: import java.util.List;
33: import java.util.concurrent.CopyOnWriteArrayList;
34: import it.tidalwave.util.spi.SimpleFinderSupport;
35:
36: /***************************************************************************************************************************************************************
37: *
38: * An implementation of {@link it.tidalwave.util.Finder} which holds an immutable list of items.
39: *
40: * This class is now implementation only; please use {@link it.tidalwave.util.Finder#ofCloned} instead.
41: *
42: * @param <T> the type of contained items
43: *
44: * @author Fabrizio Giudici
45: *
46: **************************************************************************************************************************************************************/
47: public class ArrayListFinder<T> extends SimpleFinderSupport<T>
48: {
49: private static final long serialVersionUID = -3529114277448372453L;
50:
51: @Nonnull
52: private final Collection<T> items;
53:
54: public ArrayListFinder (@Nonnull final Collection<? extends T> items)
55: {
56: this.items = Collections.unmodifiableCollection(new ArrayList<>(items));
57: }
58:
59: public ArrayListFinder (@Nonnull final ArrayListFinder<T> other, @Nonnull final Object override)
60: {
61: super(other, override);
62: final var source = getSource(ArrayListFinder.class, other, override);
63: this.items = source.items;
64: }
65:
66: @Override @Nonnull
67: protected List<T> computeResults()
68: {
69: return new CopyOnWriteArrayList<>(items);
70: }
71: }