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4208b510 AM |
1 | /******************************************************************************* |
2 | * Copyright (c) 2015, 2016 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.internal.provisional.analysis.lami.core.aspect; | |
11 | ||
12 | import java.util.Comparator; | |
13 | ||
14 | import org.eclipse.jdt.annotation.NonNull; | |
15 | import org.eclipse.jdt.annotation.Nullable; | |
16 | import org.eclipse.tracecompass.internal.provisional.analysis.lami.core.module.LamiTableEntry; | |
17 | ||
18 | /** | |
19 | * Null aspect for LAMI tables, normally printing nothing in the corresponding | |
20 | * cells. Should be access using {@link #INSTANCE}. | |
21 | * | |
22 | * @author Alexandre Montplaisir | |
23 | */ | |
24 | public class LamiEmptyAspect extends LamiTableEntryAspect { | |
25 | ||
26 | /** Singleton instance */ | |
27 | public static final LamiEmptyAspect INSTANCE = new LamiEmptyAspect(); | |
28 | ||
29 | private LamiEmptyAspect() { | |
30 | super("", null); //$NON-NLS-1$ | |
31 | } | |
32 | ||
33 | @Override | |
34 | public boolean isContinuous() { | |
35 | return false; | |
36 | } | |
37 | ||
38 | @Override | |
39 | public @Nullable String resolveString(LamiTableEntry entry) { | |
40 | return null; | |
41 | } | |
42 | ||
43 | @Override | |
44 | public boolean isTimeStamp() { | |
45 | return false; | |
46 | } | |
47 | ||
48 | @Override | |
49 | public @Nullable Double resolveDouble(@NonNull LamiTableEntry entry) { | |
50 | return null; | |
51 | } | |
52 | ||
53 | @Override | |
54 | public Comparator<LamiTableEntry> getComparator() { | |
55 | return (o1, o2) -> 0; | |
56 | } | |
57 | ||
58 | } |