| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| TimeLimitExitStrategy |
|
| 2.0;2 |
| 1 | /* | |
| 2 | ||
| 3 | dsh-evolve Framework for evolutionary algorithms. | |
| 4 | Copyright (c) 2005-2013 held jointly by the individual authors. | |
| 5 | ||
| 6 | This library is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU Lesser General Public License as published | |
| 8 | by the Free Software Foundation; either version 3 of the License, or (at | |
| 9 | your option) any later version. | |
| 10 | ||
| 11 | This library is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or | |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | |
| 14 | License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public License | |
| 17 | along with this library; if not, write to the Free Software Foundation, | |
| 18 | Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| 19 | ||
| 20 | > http://www.fsf.org/licensing/licenses/lgpl.html | |
| 21 | > http://www.opensource.org/licenses/lgpl-license.php | |
| 22 | ||
| 23 | */ | |
| 24 | package org.dishevelled.evolve.exit; | |
| 25 | ||
| 26 | import java.util.Collection; | |
| 27 | ||
| 28 | import org.dishevelled.weighted.WeightedMap; | |
| 29 | ||
| 30 | import org.dishevelled.evolve.ExitStrategy; | |
| 31 | ||
| 32 | /** | |
| 33 | * Time limit exit strategy. Exits as soon as | |
| 34 | * the time (in number of generations) meets or exceeds a set | |
| 35 | * time limit. | |
| 36 | * | |
| 37 | * @param <I> individual type | |
| 38 | * @author Michael Heuer | |
| 39 | */ | |
| 40 | public final class TimeLimitExitStrategy<I> | |
| 41 | implements ExitStrategy<I> | |
| 42 | { | |
| 43 | /** Time limit. */ | |
| 44 | private final int timeLimit; | |
| 45 | ||
| 46 | ||
| 47 | /** | |
| 48 | * Create a new time limit exit strategy with the specified time limit. | |
| 49 | * | |
| 50 | * @param timeLimit time limit for this time limit exit strategy, must be | |
| 51 | * <code>>= 1</code> | |
| 52 | */ | |
| 53 | public TimeLimitExitStrategy(final int timeLimit) | |
| 54 | 6 | { |
| 55 | 6 | if (timeLimit < 1) |
| 56 | { | |
| 57 | 2 | throw new IllegalArgumentException("timeLimit must be >= 1"); |
| 58 | } | |
| 59 | ||
| 60 | 4 | this.timeLimit = timeLimit; |
| 61 | 4 | } |
| 62 | ||
| 63 | ||
| 64 | /** {@inheritDoc} */ | |
| 65 | public boolean evaluate(final Collection<I> population, final WeightedMap<I> scores, final int time) | |
| 66 | { | |
| 67 | 5 | return (time >= timeLimit); |
| 68 | } | |
| 69 | } |