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 import static java.util.concurrent.CompletableFuture.supplyAsync;
24
25 import java.time.Clock;
26 import java.util.concurrent.CompletableFuture;
27 import java.util.concurrent.Executor;
28 import java.util.function.Function;
29 import java.util.function.Supplier;
30
31 /**
32 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
33 * @since 3.0
34 * @version 3.0
35 */
36 final class TimedExecutor {
37 private final Executor _executor;
38
39 public TimedExecutor(final Executor executor) {
40 _executor = requireNonNull(executor);
41 }
42
43 public <T> CompletableFuture<TimedResult<T>> async(
44 final Supplier<T> supplier,
45 final Clock clock
46 ) {
47 return supplyAsync(TimedResult.of(supplier, clock), _executor);
48 }
49
50 public <U, T> CompletableFuture<TimedResult<T>> thenApply(
51 final CompletableFuture<U> result,
52 final Function<U, T> function,
53 final Clock clock
54 ) {
55 return result.thenApplyAsync(TimedResult.of(function, clock), _executor);
56 }
57
58
59 public Executor get() {
60 return _executor;
61 }
62 }
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