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1 | /******************************************************************************* |
2 | * Copyright (c) 2013 École Polytechnique de Montréal | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * 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 | * Contributors: | |
10 | * Geneviève Bastien - Initial implementation and API | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.core.synchronization; | |
14 | ||
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15 | import java.io.Serializable; |
16 | ||
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17 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
18 | ||
19 | /** | |
20 | * This class contains a formula to transform the value of a timestamp, for | |
21 | * example after trace synchronization | |
22 | * | |
23 | * @author Geneviève Bastien | |
24 | * @since 3.0 | |
25 | */ | |
ef49aa36 | 26 | public interface ITmfTimestampTransform extends Serializable { |
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27 | |
28 | /** | |
29 | * Transforms a timestamp | |
30 | * | |
31 | * @param timestamp | |
32 | * The timestamp to transform | |
33 | * @return the transformed timestamp | |
34 | */ | |
35 | ITmfTimestamp transform(ITmfTimestamp timestamp); | |
36 | ||
37 | /** | |
38 | * Transforms a timestamp value | |
39 | * | |
40 | * @param timestamp | |
41 | * The timestamp to transform | |
42 | * @return the transformed value | |
43 | */ | |
44 | long transform(long timestamp); | |
45 | ||
46 | /** | |
47 | * Returns a timestamp transform that is the composition of two timestamp | |
48 | * transforms. | |
49 | * | |
50 | * @param composeWith | |
51 | * The transform to first apply on the timestamp before applying | |
52 | * the current object | |
53 | * @return A new timestamp transform object with the resulting composition. | |
54 | */ | |
55 | ITmfTimestampTransform composeWith(ITmfTimestampTransform composeWith); | |
56 | ||
57 | } |