| Clover coverage report - PLT Utilities Test Coverage (plt-20120304-r5436) |
|
 |
|
|
|||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| SnapshotIterable.java | 25% | 58.8% | 58.3% | 54.5% |
|
||||||||||||||
| 1 | /*BEGIN_COPYRIGHT_BLOCK* | |
| 2 | ||
| 3 | PLT Utilities BSD License | |
| 4 | ||
| 5 | Copyright (c) 2007-2010 JavaPLT group at Rice University | |
| 6 | All rights reserved. | |
| 7 | ||
| 8 | Developed by: Java Programming Languages Team | |
| 9 | Rice University | |
| 10 | http://www.cs.rice.edu/~javaplt/ | |
| 11 | ||
| 12 | Redistribution and use in source and binary forms, with or without modification, are permitted | |
| 13 | provided that the following conditions are met: | |
| 14 | ||
| 15 | - Redistributions of source code must retain the above copyright notice, this list of conditions | |
| 16 | and the following disclaimer. | |
| 17 | - Redistributions in binary form must reproduce the above copyright notice, this list of | |
| 18 | conditions and the following disclaimer in the documentation and/or other materials provided | |
| 19 | with the distribution. | |
| 20 | - Neither the name of the JavaPLT group, Rice University, nor the names of the library's | |
| 21 | contributors may be used to endorse or promote products derived from this software without | |
| 22 | specific prior written permission. | |
| 23 | ||
| 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR | |
| 25 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 26 | FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND | |
| 27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 28 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 29 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
| 30 | IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| 31 | OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | ||
| 33 | *END_COPYRIGHT_BLOCK*/ | |
| 34 | ||
| 35 | package edu.rice.cs.plt.iter; | |
| 36 | ||
| 37 | import java.util.Iterator; | |
| 38 | import java.util.ArrayList; | |
| 39 | import java.io.Serializable; | |
| 40 | ||
| 41 | /** | |
| 42 | * Creates an iterable based on the result of immediately traversing some other iterable (assumed to be finite); | |
| 43 | * generated iterators will traverse those same values in the same order. Changes to the wrapped iterable will | |
| 44 | * <em>not</em> be reflected. | |
| 45 | */ | |
| 46 | public class SnapshotIterable<T> extends AbstractIterable<T> | |
| 47 | implements SizedIterable<T>, OptimizedLastIterable<T>, Serializable { | |
| 48 | ||
| 49 | private final ArrayList<T> _values; | |
| 50 | ||
| 51 | 101 | public SnapshotIterable(Iterable<? extends T> iterable) { |
| 52 | 101 | _values = new ArrayList<T>(0); // minimize footprint of empty |
| 53 | 265 | for (T e : iterable) { _values.add(e); } |
| 54 | } | |
| 55 | ||
| 56 | 9 | public SnapshotIterable(Iterator<? extends T> iterator) { |
| 57 | 9 | _values = new ArrayList<T>(0); // minimize footprint of empty |
| 58 | 0 | while (iterator.hasNext()) { _values.add(iterator.next()); } |
| 59 | } | |
| 60 | ||
| 61 | 242 | public Iterator<T> iterator() { return new ImmutableIterator<T>(_values.iterator()); } |
| 62 | 0 | public boolean isEmpty() { return _values.isEmpty(); } |
| 63 | 113 | public int size() { return _values.size(); } |
| 64 | 0 | public int size(int bound) { int result = _values.size(); return result < bound ? result : bound; } |
| 65 | 17 | public boolean isInfinite() { return false; } |
| 66 | 1 | public boolean hasFixedSize() { return true; } |
| 67 | 1 | public boolean isStatic() { return true; } |
| 68 | ||
| 69 | 0 | public T last() { return _values.get(_values.size()-1); } |
| 70 | ||
| 71 | /** Call the constructor (allows {@code T} to be inferred) */ | |
| 72 | 0 | public static <T> SnapshotIterable<T> make(Iterable<? extends T> iterable) { |
| 73 | 0 | return new SnapshotIterable<T>(iterable); |
| 74 | } | |
| 75 | ||
| 76 | /** Call the constructor (allows {@code T} to be inferred) */ | |
| 77 | 0 | public static <T> SnapshotIterable<T> make(Iterator<? extends T> iterator) { |
| 78 | 0 | return new SnapshotIterable<T>(iterator); |
| 79 | } | |
| 80 | } |
|
||||||||||
