01 /*
02 * Java Genetic Algorithm Library (jenetics-3.5.0).
03 * Copyright (c) 2007-2016 Franz Wilhelmstötter
04 *
05 * Licensed under the Apache License, Version 2.0 (the "License");
06 * you may not use this file except in compliance with the License.
07 * You may obtain a copy of the License at
08 *
09 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * Author:
18 * Franz Wilhelmstötter (franz.wilhelmstoetter@gmx.at)
19 */
20 package org.jenetics.engine;
21
22 import static java.util.Objects.requireNonNull;
23
24 import java.time.Clock;
25 import java.time.Duration;
26 import java.time.Instant;
27 import java.util.function.Predicate;
28
29 /**
30 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
31 * @since 3.1
32 * @version 3.1
33 */
34 final class ExecutionTimeLimit implements Predicate<Object> {
35
36 private final Duration _duration;
37 private final Clock _clock;
38
39 private Instant _start = Instant.MIN;
40
41 ExecutionTimeLimit(final Duration duration, final Clock clock) {
42 _duration = requireNonNull(duration);
43 _clock = requireNonNull(clock);
44 }
45
46 @Override
47 public boolean test(final Object ignore) {
48 if (_start == Instant.MIN) {
49 _start = _clock.instant();
50 }
51
52 return _start.plus(_duration).isAfter(_clock.instant());
53 }
54
55 }
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