| Clover coverage report - PLT Utilities Test Coverage (plt-20120304-r5436) |
|
 |
|
|
|||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| IterableSet.java | - | 44.4% | 44.4% | 44.4% |
|
||||||||||||||
| 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.collect; | |
| 36 | ||
| 37 | import java.io.Serializable; | |
| 38 | import java.util.Iterator; | |
| 39 | import edu.rice.cs.plt.iter.NoDuplicatesIterator; | |
| 40 | import edu.rice.cs.plt.iter.IterUtil; | |
| 41 | import edu.rice.cs.plt.object.Composite; | |
| 42 | import edu.rice.cs.plt.object.ObjectUtil; | |
| 43 | ||
| 44 | /** | |
| 45 | * A Set wrapping an Iterable. Allows iterables to be viewed as sets without creating a | |
| 46 | * copy, and reflects subsequent changes made to the iterable. Does not support mutation. | |
| 47 | * Since duplicate elements must be lazily skipped, most operations (including {@code size()} | |
| 48 | * and {@code contains}) require a traversal of the iterable, and thus have relatively poor | |
| 49 | * performance. | |
| 50 | */ | |
| 51 | public class IterableSet<E> extends AbstractPredicateSet<E> implements Composite, Serializable { | |
| 52 | ||
| 53 | private final Iterable<? extends E> _iter; | |
| 54 | ||
| 55 | 237 | public IterableSet(Iterable<? extends E> iter) { _iter = iter; } |
| 56 | ||
| 57 | 56 | public boolean contains(Object o) { |
| 58 | 56 | return IterUtil.contains(_iter, o); |
| 59 | } | |
| 60 | ||
| 61 | 0 | public int compositeHeight() { return ObjectUtil.compositeHeight(_iter) + 1; } |
| 62 | 0 | public int compositeSize() { return ObjectUtil.compositeSize(_iter) + 1; } |
| 63 | ||
| 64 | /** | |
| 65 | * Must store all previously-seen elements in order to skip duplicates. As a result, requires | |
| 66 | * space proportional to the number of {@code next()} invocations. | |
| 67 | */ | |
| 68 | 136 | public Iterator<E> iterator() { return new NoDuplicatesIterator<E>(_iter.iterator()); } |
| 69 | ||
| 70 | 0 | public boolean isInfinite() { return IterUtil.isInfinite(_iter); } |
| 71 | ||
| 72 | 0 | public boolean hasFixedSize() { |
| 73 | // _iter may have fixed size but be changed to have more/fewer duplicates | |
| 74 | 0 | return IterUtil.isStatic(_iter) || |
| 75 | IterUtil.isInfinite(_iter) && IterUtil.hasFixedSize(_iter); | |
| 76 | } | |
| 77 | ||
| 78 | 0 | public boolean isStatic() { return IterUtil.isStatic(_iter); } |
| 79 | ||
| 80 | 48 | @Override public boolean isEmpty() { return IterUtil.isEmpty(_iter); } |
| 81 | ||
| 82 | } |
|
||||||||||
