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1 | /******************************************************************************* |
2 | * Copyright (c) 2011-2012 Ericsson, Ecole Polytechnique de Montreal and others | |
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 | * Contributors: Simon Marchi - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.ctf.core.event; | |
14 | ||
15 | import org.eclipse.linuxtools.ctf.core.event.types.StructDeclaration; | |
486efb2e | 16 | import org.eclipse.linuxtools.ctf.core.trace.Stream; |
866e5b51 FC |
17 | import org.eclipse.linuxtools.ctf.core.trace.StreamInputReader; |
18 | ||
19 | /** | |
be6df2d8 AM |
20 | * Representation of one type of event. A bit like "int" or "long" but for trace |
21 | * events. | |
866e5b51 FC |
22 | */ |
23 | public class EventDeclaration { | |
24 | ||
25 | // ------------------------------------------------------------------------ | |
26 | // Attributes | |
27 | // ------------------------------------------------------------------------ | |
28 | ||
29 | /** | |
30 | * Name of the event | |
31 | */ | |
32 | private String name; | |
33 | ||
34 | /** | |
35 | * Event context structure declaration | |
36 | */ | |
37 | private StructDeclaration context = null; | |
38 | ||
39 | /** | |
40 | * Event fields structure declaration | |
41 | */ | |
42 | private StructDeclaration fields = null; | |
43 | ||
44 | /** | |
45 | * Event id (can be null if only event in the stream). | |
46 | */ | |
47 | private Long id = null; | |
48 | ||
49 | /** | |
50 | * Stream to which belongs this event. | |
51 | */ | |
52 | private Stream stream = null; | |
53 | ||
53047a66 MK |
54 | /** |
55 | * Loglevel of an event | |
56 | */ | |
57 | private long logLevel; | |
58 | ||
866e5b51 FC |
59 | // ------------------------------------------------------------------------ |
60 | // Constructors | |
61 | // ------------------------------------------------------------------------ | |
62 | ||
be6df2d8 AM |
63 | /** |
64 | * Default constructor. Use the setters afterwards to set the fields | |
65 | * accordingly. | |
66 | */ | |
67 | public EventDeclaration() {} | |
68 | ||
866e5b51 FC |
69 | /** |
70 | * Creates an instance of EventDefinition corresponding to this declaration. | |
71 | * | |
72 | * @param streamInputReader | |
73 | * The StreamInputReader for which this definition is created. | |
74 | * @return A new EventDefinition. | |
75 | */ | |
76 | public EventDefinition createDefinition(StreamInputReader streamInputReader) { | |
77 | EventDefinition event = new EventDefinition(this, streamInputReader); | |
78 | ||
79 | if (context != null) { | |
aa572e22 | 80 | event.setContext( context.createDefinition(event, "context")); //$NON-NLS-1$ |
866e5b51 FC |
81 | } |
82 | ||
83 | if (this.fields != null) { | |
aa572e22 | 84 | event.setFields(this.fields.createDefinition(event, "fields")); //$NON-NLS-1$ |
866e5b51 FC |
85 | } |
86 | ||
87 | return event; | |
88 | } | |
89 | ||
33656d8e MK |
90 | /** |
91 | * Creates a "lost" event. This is a synthetic event that is there to show | |
92 | * that there should be something there. | |
9ac2eb62 | 93 | * @return the lost event |
33656d8e | 94 | */ |
debcffff MK |
95 | public synchronized static EventDeclaration getLostEventDeclaration(){ |
96 | EventDeclaration lostEvent = new EventDeclaration(); | |
97 | lostEvent.fields = new StructDeclaration(1); | |
07002e0a | 98 | lostEvent.id = -1L; |
debcffff | 99 | lostEvent.name = "Lost event"; //$NON-NLS-1$ |
33656d8e MK |
100 | return lostEvent; |
101 | } | |
102 | ||
866e5b51 FC |
103 | // ------------------------------------------------------------------------ |
104 | // Getters/Setters/Predicates | |
105 | // ------------------------------------------------------------------------ | |
106 | ||
9ac2eb62 MK |
107 | /** |
108 | * Sets a name for an event Declaration | |
109 | * @param name the name | |
110 | */ | |
866e5b51 FC |
111 | public void setName(String name) { |
112 | this.name = name; | |
113 | } | |
114 | ||
9ac2eb62 MK |
115 | /** |
116 | * Gets the name of en event declaration | |
117 | * @return the name | |
118 | */ | |
866e5b51 FC |
119 | public String getName() { |
120 | return name; | |
121 | } | |
122 | ||
9ac2eb62 MK |
123 | /** |
124 | * Sets the context for an event declaration (see CTF specification) | |
125 | * @param context the context in structdeclaration format | |
126 | */ | |
866e5b51 FC |
127 | public void setContext(StructDeclaration context) { |
128 | this.context = context; | |
129 | } | |
130 | ||
9ac2eb62 MK |
131 | /** |
132 | * Sets the fields of an event declaration | |
133 | * @param fields the fields in structdeclaration format | |
134 | */ | |
866e5b51 FC |
135 | public void setFields(StructDeclaration fields) { |
136 | this.fields = fields; | |
137 | } | |
138 | ||
9ac2eb62 MK |
139 | /** |
140 | * Gets the fields of an event declaration | |
141 | * @return fields the fields in structdeclaration format | |
142 | */ | |
866e5b51 FC |
143 | public StructDeclaration getFields() { |
144 | return fields; | |
145 | } | |
146 | ||
9ac2eb62 MK |
147 | /** |
148 | * Gets the context of an event declaration | |
149 | * @return context the fields in structdeclaration format | |
150 | */ | |
866e5b51 FC |
151 | public StructDeclaration getContext() { |
152 | return context; | |
153 | } | |
154 | ||
9ac2eb62 MK |
155 | /** |
156 | * Sets the id of am event declaration | |
157 | * @param id the id | |
158 | */ | |
866e5b51 FC |
159 | public void setId(long id) { |
160 | this.id = id; | |
161 | } | |
162 | ||
9ac2eb62 | 163 | /** |
be6df2d8 AM |
164 | * Gets the id of am event declaration return id the id |
165 | * | |
166 | * @return The EventDeclaration ID | |
9ac2eb62 | 167 | */ |
866e5b51 FC |
168 | public Long getId() { |
169 | return id; | |
170 | } | |
171 | ||
9ac2eb62 MK |
172 | /** |
173 | * Sets the stream of am event declaration | |
174 | * @param stream the stream | |
486efb2e | 175 | * @since 2.0 |
9ac2eb62 | 176 | */ |
866e5b51 FC |
177 | public void setStream(Stream stream) { |
178 | this.stream = stream; | |
179 | } | |
180 | ||
9ac2eb62 MK |
181 | /** |
182 | * Gets the stream of am event declaration | |
183 | * @return stream the stream | |
486efb2e | 184 | * @since 2.0 |
9ac2eb62 | 185 | */ |
866e5b51 FC |
186 | public Stream getStream() { |
187 | return stream; | |
188 | } | |
189 | ||
9ac2eb62 MK |
190 | /** |
191 | * Is the name of the event declaration set | |
192 | * @return is the name set? | |
193 | */ | |
866e5b51 FC |
194 | public boolean nameIsSet() { |
195 | return name != null; | |
196 | } | |
197 | ||
9ac2eb62 MK |
198 | /** |
199 | * Is the context set | |
200 | * @return is the context set | |
201 | */ | |
866e5b51 FC |
202 | public boolean contextIsSet() { |
203 | return context != null; | |
204 | } | |
205 | ||
9ac2eb62 MK |
206 | /** |
207 | * Is a field set? | |
208 | * @return Is the field set? | |
209 | */ | |
866e5b51 FC |
210 | public boolean fieldsIsSet() { |
211 | return fields != null; | |
212 | } | |
213 | ||
9ac2eb62 MK |
214 | /** |
215 | * Is the id set? | |
216 | * @return is the id set? | |
217 | */ | |
866e5b51 FC |
218 | public boolean idIsSet() { |
219 | return id != null; | |
220 | } | |
221 | ||
9ac2eb62 MK |
222 | /** |
223 | * Is the stream set? | |
224 | * @return is the stream set? | |
225 | */ | |
866e5b51 FC |
226 | public boolean streamIsSet() { |
227 | return stream != null; | |
228 | } | |
229 | ||
9ac2eb62 MK |
230 | /** |
231 | * What is the log level of this event | |
232 | * @return the log level. | |
233 | */ | |
53047a66 MK |
234 | public long getLogLevel() { |
235 | return logLevel; | |
236 | } | |
237 | ||
9ac2eb62 MK |
238 | /** |
239 | * Sets the log level | |
240 | * @param level the log level | |
241 | */ | |
53047a66 MK |
242 | public void setLogLevel( long level){ |
243 | logLevel = level; | |
244 | } | |
245 | ||
866e5b51 FC |
246 | // ------------------------------------------------------------------------ |
247 | // Operations | |
248 | // ------------------------------------------------------------------------ | |
249 | ||
250 | @Override | |
251 | public boolean equals(Object obj) { | |
252 | if (this == obj) { | |
253 | return true; | |
254 | } | |
255 | if (obj == null) { | |
256 | return false; | |
257 | } | |
258 | if (!(obj instanceof EventDeclaration)) { | |
259 | return false; | |
260 | } | |
261 | EventDeclaration other = (EventDeclaration) obj; | |
262 | if (context == null) { | |
263 | if (other.context != null) { | |
264 | return false; | |
265 | } | |
266 | } else if (!context.equals(other.context)) { | |
267 | return false; | |
268 | } | |
269 | if (fields == null) { | |
270 | if (other.fields != null) { | |
271 | return false; | |
272 | } | |
273 | } else if (!fields.equals(other.fields)) { | |
274 | return false; | |
275 | } | |
276 | if (id == null) { | |
277 | if (other.id != null) { | |
278 | return false; | |
279 | } | |
280 | } else if (!id.equals(other.id)) { | |
281 | return false; | |
282 | } | |
283 | if (name == null) { | |
284 | if (other.name != null) { | |
285 | return false; | |
286 | } | |
287 | } else if (!name.equals(other.name)) { | |
288 | return false; | |
289 | } | |
290 | if (stream == null) { | |
291 | if (other.stream != null) { | |
292 | return false; | |
293 | } | |
294 | } else if (!stream.equals(other.stream)) { | |
295 | return false; | |
296 | } | |
297 | return true; | |
298 | } | |
299 | ||
300 | @Override | |
301 | public int hashCode() { | |
302 | final int prime = 31; | |
303 | int result = 1; | |
304 | result = (prime * result) | |
305 | + ((context == null) ? 0 : context.hashCode()); | |
306 | result = (prime * result) + ((fields == null) ? 0 : fields.hashCode()); | |
307 | result = (prime * result) + ((id == null) ? 0 : id.hashCode()); | |
308 | result = (prime * result) + ((name == null) ? 0 : name.hashCode()); | |
309 | result = (prime * result) + ((stream == null) ? 0 : stream.hashCode()); | |
310 | return result; | |
311 | } | |
312 | ||
313 | } |