Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/ReverseIterator.java @ 688:1499139a600a

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Defect: copies are not reported with default settings (not even as added!). Parameter needCopies removed as there seems to be no reason to condition copies for hi-level api (HgStatus.isCopy() is way down the road)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 27 Jul 2013 20:15:37 +0200
parents 43cfa08ff3fd
children
rev   line source
596
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1 /*
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2 * Copyright (c) 2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.util.Iterator;
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20 import java.util.List;
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21 import java.util.ListIterator;
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22
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23 /**
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24 * @author Artem Tikhomirov
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25 * @author TMate Software Ltd.
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26 */
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27 public class ReverseIterator<E> implements Iterator<E> {
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28 private final ListIterator<E> listIterator;
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29
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30 public ReverseIterator(List<E> list) {
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31 listIterator = list.listIterator(list.size());
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32 }
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33
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34 public boolean hasNext() {
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35 return listIterator.hasPrevious();
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36 }
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37 public E next() {
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38 return listIterator.previous();
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39 }
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40 public void remove() {
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41 listIterator.remove();
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42 }
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43
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44 public static <T> Iterable<T> reversed(final List<T> list) {
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45 return new Iterable<T>() {
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46
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47 public Iterator<T> iterator() {
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48 return new ReverseIterator<T>(list);
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49 }
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50 };
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51 }
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52 }