projects / deliverable / tracecompass.git / blame
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|---|---|---|
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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 | ||
| 2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.core.synchronization; |
| e73a4ba5 | 14 | |
| 2bdf0193 | 15 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
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16 | |
| 17 | /** | |
| 18 | * A default simple, identity timestamp transform. It is a singleton class and | |
| 19 | * returns the timestamp itself | |
| 20 | * | |
| 21 | * @author Geneviève Bastien | |
| 22 | * @since 3.0 | |
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23 | * @deprecated This class has been moved to internal. Use one of |
| 24 | * {@link TimestampTransformFactory} methods to create the timestamp | |
| 25 | * transform. For the identity, use | |
| 26 | * {@link TimestampTransformFactory#getDefaultTransform()} | |
| e73a4ba5 | 27 | */ |
| 9ffcda7d | 28 | @Deprecated |
| ef49aa36 | 29 | public class TmfTimestampTransform implements ITmfTimestampTransform { |
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30 | |
| 31 | /** | |
| 32 | * Generated serial UID | |
| 33 | */ | |
| 34 | private static final long serialVersionUID = -1480581417493073304L; | |
| 35 | ||
| 36 | /** | |
| 37 | * The unique instance of this transform, since it is always the same | |
| 38 | */ | |
| 39 | public static final TmfTimestampTransform IDENTITY = new TmfTimestampTransform(); | |
| 40 | ||
| 41 | /** | |
| 42 | * Default constructor | |
| 43 | */ | |
| 44 | protected TmfTimestampTransform() { | |
| 45 | ||
| 46 | } | |
| 47 | ||
| 48 | @Override | |
| 49 | public ITmfTimestamp transform(ITmfTimestamp timestamp) { | |
| 50 | return timestamp; | |
| 51 | } | |
| 52 | ||
| 53 | @Override | |
| 54 | public long transform(long timestamp) { | |
| 55 | return timestamp; | |
| 56 | } | |
| 57 | ||
| 58 | @Override | |
| 59 | public ITmfTimestampTransform composeWith(ITmfTimestampTransform composeWith) { | |
| 60 | /* Since this transform will not modify anything, return the other */ | |
| 61 | return composeWith; | |
| 62 | } | |
| 63 | ||
| 64 | @Override | |
| 65 | public boolean equals(Object other) { | |
| 66 | return other.getClass().equals(TmfTimestampTransform.class); | |
| 67 | } | |
| 68 | ||
| 69 | @Override | |
| 70 | public int hashCode() { | |
| 71 | final int prime = 31; | |
| 72 | int result = 1; | |
| 73 | result = (prime * result) + TmfTimestampTransform.class.hashCode(); | |
| 74 | return result; | |
| 75 | } | |
| 76 | ||
| 77 | @Override | |
| 78 | public String toString() { | |
| 79 | return "TmfTimestampTransform [ IDENTITY ]"; //$NON-NLS-1$ | |
| 80 | } | |
| 81 | ||
| 82 | } |