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e5083481 PT |
1 | /******************************************************************************* |
2 | * Copyright (c) 2015 EfficiOS Inc., Alexandre Montplaisir | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | *******************************************************************************/ | |
9 | ||
10 | package org.eclipse.tracecompass.segmentstore.core; | |
11 | ||
12 | import java.util.Comparator; | |
13 | ||
14 | import org.eclipse.jdt.annotation.Nullable; | |
15 | ||
16 | /** | |
17 | * Segments comparators. These do not allow for null arguments. | |
18 | * | |
19 | * @author Alexandre Montplaisir | |
20 | * @noimplement This interface only contains static definitions. | |
21 | */ | |
22 | public interface SegmentComparators { | |
23 | ||
24 | /** | |
25 | * Basic long comparator | |
26 | */ | |
27 | Comparator<Long> LONG_COMPARATOR = new Comparator<Long>() { | |
28 | @Override | |
29 | public int compare(@Nullable Long o1, @Nullable Long o2) { | |
30 | if (o1 == null || o2 == null) { | |
31 | throw new IllegalArgumentException(); | |
32 | } | |
33 | return o1.compareTo(o2); | |
34 | } | |
35 | }; | |
36 | ||
37 | /** | |
38 | * Start time comparator | |
39 | */ | |
40 | Comparator<ISegment> INTERVAL_START_COMPARATOR = new Comparator<ISegment>() { | |
41 | @Override | |
42 | public int compare(@Nullable ISegment o1, @Nullable ISegment o2) { | |
43 | if (o1 == null || o2 == null) { | |
44 | throw new IllegalArgumentException(); | |
45 | } | |
46 | return Long.compare(o1.getStart(), o2.getStart()); | |
47 | } | |
48 | }; | |
49 | ||
50 | /** | |
51 | * End time comparator | |
52 | */ | |
53 | Comparator<ISegment> INTERVAL_END_COMPARATOR = new Comparator<ISegment>() { | |
54 | @Override | |
55 | public int compare(@Nullable ISegment o1, @Nullable ISegment o2) { | |
56 | if (o1 == null || o2 == null) { | |
57 | throw new IllegalArgumentException(); | |
58 | } | |
59 | return Long.compare(o1.getEnd(), o2.getEnd()); | |
60 | } | |
61 | }; | |
62 | ||
63 | /** | |
64 | * Length comparator | |
65 | */ | |
66 | Comparator<ISegment> INTERVAL_LENGTH_COMPARATOR = new Comparator<ISegment>() { | |
67 | @Override | |
68 | public int compare(@Nullable ISegment o1, @Nullable ISegment o2) { | |
69 | if (o1 == null || o2 == null) { | |
70 | throw new IllegalArgumentException(); | |
71 | } | |
72 | return Long.compare(o1.getLength(), o2.getLength()); | |
73 | } | |
74 | }; | |
75 | ||
76 | } |