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8e964be1 | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2011-2014 Ericsson, Ecole Polytechnique de Montreal and others |
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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: Matthew Khouzam - Initial API and implementation | |
10 | *******************************************************************************/ | |
11 | ||
f357bcd4 | 12 | package org.eclipse.tracecompass.ctf.core.event; |
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13 | |
14 | import java.util.Set; | |
15 | ||
a4fa4e36 | 16 | import org.eclipse.jdt.annotation.NonNull; |
680f9173 | 17 | import org.eclipse.tracecompass.ctf.core.CTFException; |
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18 | import org.eclipse.tracecompass.ctf.core.event.io.BitBuffer; |
19 | import org.eclipse.tracecompass.ctf.core.event.types.StructDeclaration; | |
f357bcd4 | 20 | import org.eclipse.tracecompass.ctf.core.trace.CTFStreamInputReader; |
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21 | import org.eclipse.tracecompass.ctf.core.trace.ICTFStream; |
22 | import org.eclipse.tracecompass.internal.ctf.core.trace.CTFStream; | |
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23 | |
24 | /** | |
25 | * Representation of one type of event. A bit like "int" or "long" but for trace | |
26 | * events. | |
27 | * | |
28 | * @author Matthew Khouzam | |
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29 | */ |
30 | public interface IEventDeclaration { | |
31 | ||
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32 | /** |
33 | * Id of events when not set | |
34 | * | |
35 | * @since 1.0 | |
36 | */ | |
37 | public static final long UNSET_EVENT_ID = -2L; | |
38 | ||
8e964be1 | 39 | /** |
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40 | * Creates an instance of {@link IEventDefinition} corresponding to this |
41 | * declaration. | |
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42 | * |
43 | * @param streamInputReader | |
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44 | * The {@link CTFStreamInputReader} for which this definition is |
45 | * created. | |
a4fa4e36 | 46 | * @param input |
e8ece272 | 47 | * the {@link BitBuffer} input source |
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48 | * @param timestamp |
49 | * The timestamp when the event was taken | |
e8ece272 | 50 | * @return A new {@link IEventDefinition} |
680f9173 | 51 | * @throws CTFException |
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52 | * As a bitbuffer is used to read, it could have wrapped |
53 | * IOExceptions. | |
e8ece272 | 54 | * @since 2.0 |
8e964be1 | 55 | */ |
e8ece272 | 56 | IEventDefinition createDefinition(CTFStreamInputReader streamInputReader, @NonNull BitBuffer input, long timestamp) throws CTFException; |
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57 | |
58 | /** | |
59 | * Gets the name of an event declaration | |
60 | * | |
61 | * @return the name | |
62 | */ | |
3e2618e9 | 63 | String getName(); |
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64 | |
65 | /** | |
66 | * Gets the fields of an event declaration | |
67 | * | |
68 | * @return fields the fields in {@link StructDeclaration} format | |
69 | */ | |
3e2618e9 | 70 | StructDeclaration getFields(); |
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71 | |
72 | /** | |
73 | * Gets the context of an event declaration | |
74 | * | |
75 | * @return context the fields in {@link StructDeclaration} format | |
76 | */ | |
3e2618e9 | 77 | StructDeclaration getContext(); |
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78 | |
79 | /** | |
80 | * Gets the id of an event declaration | |
81 | * | |
82 | * @return The EventDeclaration ID | |
83 | */ | |
3e2618e9 | 84 | Long getId(); |
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85 | |
86 | /** | |
d84419e1 | 87 | * Gets the {@link CTFStream} of an event declaration |
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88 | * |
89 | * @return the stream | |
8aa463e0 | 90 | * @since 2.0 |
8e964be1 | 91 | */ |
8aa463e0 | 92 | ICTFStream getStream(); |
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93 | |
94 | /** | |
95 | * What is the log level of this event? | |
96 | * | |
97 | * @return the log level. | |
8e964be1 | 98 | */ |
3e2618e9 | 99 | long getLogLevel(); |
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100 | |
101 | /** | |
102 | * Get the {@link Set} of names of the custom CTF attributes. | |
103 | * | |
104 | * @return The set of custom attributes | |
8e964be1 | 105 | */ |
aa353506 | 106 | @NonNull Set<@NonNull String> getCustomAttributes(); |
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107 | |
108 | /** | |
109 | * Get the value of a given CTF attribute. | |
110 | * | |
111 | * @param key | |
112 | * The CTF attribute name | |
113 | * @return the CTF attribute | |
8e964be1 | 114 | */ |
3e2618e9 | 115 | String getCustomAttribute(String key); |
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116 | |
117 | } |