author | ohair |
Tue, 25 May 2010 15:58:33 -0700 | |
changeset 5506 | 202f599c92aa |
parent 4173 | d01972926813 |
child 11530 | a9d059c15b80 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
5506 | 2 |
* Copyright (c) 2004, 2008, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package sun.management; |
|
27 |
||
28 |
import java.lang.management.ThreadInfo; |
|
29 |
import java.lang.management.MonitorInfo; |
|
30 |
import java.lang.management.LockInfo; |
|
31 |
import javax.management.openmbean.CompositeType; |
|
32 |
import javax.management.openmbean.CompositeData; |
|
33 |
import javax.management.openmbean.CompositeDataSupport; |
|
34 |
import javax.management.openmbean.OpenDataException; |
|
35 |
import javax.management.openmbean.OpenType; |
|
36 |
||
37 |
/** |
|
38 |
* A CompositeData for ThreadInfo for the local management support. |
|
39 |
* This class avoids the performance penalty paid to the |
|
40 |
* construction of a CompositeData use in the local case. |
|
41 |
*/ |
|
42 |
public class ThreadInfoCompositeData extends LazyCompositeData { |
|
43 |
private final ThreadInfo threadInfo; |
|
44 |
private final CompositeData cdata; |
|
45 |
private final boolean currentVersion; |
|
46 |
||
47 |
private ThreadInfoCompositeData(ThreadInfo ti) { |
|
48 |
this.threadInfo = ti; |
|
49 |
this.currentVersion = true; |
|
50 |
this.cdata = null; |
|
51 |
} |
|
52 |
||
53 |
private ThreadInfoCompositeData(CompositeData cd) { |
|
54 |
this.threadInfo = null; |
|
55 |
this.currentVersion = ThreadInfoCompositeData.isCurrentVersion(cd); |
|
56 |
this.cdata = cd; |
|
57 |
} |
|
58 |
||
59 |
public ThreadInfo getThreadInfo() { |
|
60 |
return threadInfo; |
|
61 |
} |
|
62 |
||
63 |
public boolean isCurrentVersion() { |
|
64 |
return currentVersion; |
|
65 |
} |
|
66 |
||
67 |
public static ThreadInfoCompositeData getInstance(CompositeData cd) { |
|
68 |
validateCompositeData(cd); |
|
69 |
return new ThreadInfoCompositeData(cd); |
|
70 |
} |
|
71 |
||
72 |
public static CompositeData toCompositeData(ThreadInfo ti) { |
|
73 |
ThreadInfoCompositeData ticd = new ThreadInfoCompositeData(ti); |
|
74 |
return ticd.getCompositeData(); |
|
75 |
} |
|
76 |
||
77 |
protected CompositeData getCompositeData() { |
|
78 |
// Convert StackTraceElement[] to CompositeData[] |
|
79 |
StackTraceElement[] stackTrace = threadInfo.getStackTrace(); |
|
80 |
CompositeData[] stackTraceData = |
|
81 |
new CompositeData[stackTrace.length]; |
|
82 |
for (int i = 0; i < stackTrace.length; i++) { |
|
83 |
StackTraceElement ste = stackTrace[i]; |
|
84 |
stackTraceData[i] = StackTraceElementCompositeData.toCompositeData(ste); |
|
85 |
} |
|
86 |
||
87 |
// Convert MonitorInfo[] and LockInfo[] to CompositeData[] |
|
88 |
LockDataConverter converter = new LockDataConverter(threadInfo); |
|
89 |
CompositeData lockInfoData = converter.toLockInfoCompositeData(); |
|
90 |
CompositeData[] lockedSyncsData = converter.toLockedSynchronizersCompositeData(); |
|
91 |
||
92 |
// Convert MonitorInfo[] to CompositeData[] |
|
93 |
MonitorInfo[] lockedMonitors = threadInfo.getLockedMonitors(); |
|
94 |
CompositeData[] lockedMonitorsData = |
|
95 |
new CompositeData[lockedMonitors.length]; |
|
96 |
for (int i = 0; i < lockedMonitors.length; i++) { |
|
97 |
MonitorInfo mi = lockedMonitors[i]; |
|
98 |
lockedMonitorsData[i] = MonitorInfoCompositeData.toCompositeData(mi); |
|
99 |
} |
|
100 |
||
101 |
||
102 |
// CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH |
|
103 |
// threadInfoItemNames! |
|
104 |
final Object[] threadInfoItemValues = { |
|
105 |
new Long(threadInfo.getThreadId()), |
|
106 |
threadInfo.getThreadName(), |
|
107 |
threadInfo.getThreadState().name(), |
|
108 |
new Long(threadInfo.getBlockedTime()), |
|
109 |
new Long(threadInfo.getBlockedCount()), |
|
110 |
new Long(threadInfo.getWaitedTime()), |
|
111 |
new Long(threadInfo.getWaitedCount()), |
|
112 |
lockInfoData, |
|
113 |
threadInfo.getLockName(), |
|
114 |
new Long(threadInfo.getLockOwnerId()), |
|
115 |
threadInfo.getLockOwnerName(), |
|
116 |
stackTraceData, |
|
117 |
new Boolean(threadInfo.isSuspended()), |
|
118 |
new Boolean(threadInfo.isInNative()), |
|
119 |
lockedMonitorsData, |
|
120 |
lockedSyncsData, |
|
121 |
}; |
|
122 |
||
123 |
try { |
|
124 |
return new CompositeDataSupport(threadInfoCompositeType, |
|
125 |
threadInfoItemNames, |
|
126 |
threadInfoItemValues); |
|
127 |
} catch (OpenDataException e) { |
|
128 |
// Should never reach here |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
129 |
throw new AssertionError(e); |
2 | 130 |
} |
131 |
} |
|
132 |
||
133 |
// Attribute names |
|
134 |
private static final String THREAD_ID = "threadId"; |
|
135 |
private static final String THREAD_NAME = "threadName"; |
|
136 |
private static final String THREAD_STATE = "threadState"; |
|
137 |
private static final String BLOCKED_TIME = "blockedTime"; |
|
138 |
private static final String BLOCKED_COUNT = "blockedCount"; |
|
139 |
private static final String WAITED_TIME = "waitedTime"; |
|
140 |
private static final String WAITED_COUNT = "waitedCount"; |
|
141 |
private static final String LOCK_INFO = "lockInfo"; |
|
142 |
private static final String LOCK_NAME = "lockName"; |
|
143 |
private static final String LOCK_OWNER_ID = "lockOwnerId"; |
|
144 |
private static final String LOCK_OWNER_NAME = "lockOwnerName"; |
|
145 |
private static final String STACK_TRACE = "stackTrace"; |
|
146 |
private static final String SUSPENDED = "suspended"; |
|
147 |
private static final String IN_NATIVE = "inNative"; |
|
148 |
private static final String LOCKED_MONITORS = "lockedMonitors"; |
|
149 |
private static final String LOCKED_SYNCS = "lockedSynchronizers"; |
|
150 |
||
151 |
private static final String[] threadInfoItemNames = { |
|
152 |
THREAD_ID, |
|
153 |
THREAD_NAME, |
|
154 |
THREAD_STATE, |
|
155 |
BLOCKED_TIME, |
|
156 |
BLOCKED_COUNT, |
|
157 |
WAITED_TIME, |
|
158 |
WAITED_COUNT, |
|
159 |
LOCK_INFO, |
|
160 |
LOCK_NAME, |
|
161 |
LOCK_OWNER_ID, |
|
162 |
LOCK_OWNER_NAME, |
|
163 |
STACK_TRACE, |
|
164 |
SUSPENDED, |
|
165 |
IN_NATIVE, |
|
166 |
LOCKED_MONITORS, |
|
167 |
LOCKED_SYNCS, |
|
168 |
}; |
|
169 |
||
170 |
// New attributes added in 6.0 ThreadInfo |
|
171 |
private static final String[] threadInfoV6Attributes = { |
|
172 |
LOCK_INFO, |
|
173 |
LOCKED_MONITORS, |
|
174 |
LOCKED_SYNCS, |
|
175 |
}; |
|
176 |
||
177 |
// Current version of ThreadInfo |
|
178 |
private static final CompositeType threadInfoCompositeType; |
|
179 |
// Previous version of ThreadInfo |
|
180 |
private static final CompositeType threadInfoV5CompositeType; |
|
181 |
private static final CompositeType lockInfoCompositeType; |
|
182 |
static { |
|
183 |
try { |
|
184 |
threadInfoCompositeType = (CompositeType) |
|
185 |
MappedMXBeanType.toOpenType(ThreadInfo.class); |
|
186 |
// Form a CompositeType for JDK 5.0 ThreadInfo version |
|
187 |
String[] itemNames = |
|
188 |
threadInfoCompositeType.keySet().toArray(new String[0]); |
|
189 |
int numV5Attributes = threadInfoItemNames.length - |
|
190 |
threadInfoV6Attributes.length; |
|
191 |
String[] v5ItemNames = new String[numV5Attributes]; |
|
192 |
String[] v5ItemDescs = new String[numV5Attributes]; |
|
193 |
OpenType[] v5ItemTypes = new OpenType[numV5Attributes]; |
|
194 |
int i = 0; |
|
195 |
for (String n : itemNames) { |
|
196 |
if (isV5Attribute(n)) { |
|
197 |
v5ItemNames[i] = n; |
|
198 |
v5ItemDescs[i] = threadInfoCompositeType.getDescription(n); |
|
199 |
v5ItemTypes[i] = threadInfoCompositeType.getType(n); |
|
200 |
i++; |
|
201 |
} |
|
202 |
} |
|
203 |
||
204 |
threadInfoV5CompositeType = |
|
205 |
new CompositeType("java.lang.management.ThreadInfo", |
|
206 |
"J2SE 5.0 java.lang.management.ThreadInfo", |
|
207 |
v5ItemNames, |
|
208 |
v5ItemDescs, |
|
209 |
v5ItemTypes); |
|
210 |
} catch (OpenDataException e) { |
|
211 |
// Should never reach here |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
212 |
throw new AssertionError(e); |
2 | 213 |
} |
214 |
||
215 |
// Each CompositeData object has its CompositeType associated |
|
216 |
// with it. So we can get the CompositeType representing LockInfo |
|
217 |
// from a mapped CompositeData for any LockInfo object. |
|
218 |
// Thus we construct a random LockInfo object and pass it |
|
219 |
// to LockDataConverter to do the conversion. |
|
220 |
Object o = new Object(); |
|
221 |
LockInfo li = new LockInfo(o.getClass().getName(), |
|
222 |
System.identityHashCode(o)); |
|
223 |
CompositeData cd = LockDataConverter.toLockInfoCompositeData(li); |
|
224 |
lockInfoCompositeType = cd.getCompositeType(); |
|
225 |
} |
|
226 |
||
227 |
private static boolean isV5Attribute(String itemName) { |
|
228 |
for (String n : threadInfoV6Attributes) { |
|
229 |
if (itemName.equals(n)) { |
|
230 |
return false; |
|
231 |
} |
|
232 |
} |
|
233 |
return true; |
|
234 |
} |
|
235 |
||
236 |
public static boolean isCurrentVersion(CompositeData cd) { |
|
237 |
if (cd == null) { |
|
238 |
throw new NullPointerException("Null CompositeData"); |
|
239 |
} |
|
240 |
||
241 |
return isTypeMatched(threadInfoCompositeType, cd.getCompositeType()); |
|
242 |
} |
|
243 |
||
244 |
public long threadId() { |
|
245 |
return getLong(cdata, THREAD_ID); |
|
246 |
} |
|
247 |
||
248 |
public String threadName() { |
|
249 |
// The ThreadName item cannot be null so we check that |
|
250 |
// it is present with a non-null value. |
|
251 |
String name = getString(cdata, THREAD_NAME); |
|
252 |
if (name == null) { |
|
253 |
throw new IllegalArgumentException("Invalid composite data: " + |
|
254 |
"Attribute " + THREAD_NAME + " has null value"); |
|
255 |
} |
|
256 |
return name; |
|
257 |
} |
|
258 |
||
259 |
public Thread.State threadState() { |
|
260 |
return Thread.State.valueOf(getString(cdata, THREAD_STATE)); |
|
261 |
} |
|
262 |
||
263 |
public long blockedTime() { |
|
264 |
return getLong(cdata, BLOCKED_TIME); |
|
265 |
} |
|
266 |
||
267 |
public long blockedCount() { |
|
268 |
return getLong(cdata, BLOCKED_COUNT); |
|
269 |
} |
|
270 |
||
271 |
public long waitedTime() { |
|
272 |
return getLong(cdata, WAITED_TIME); |
|
273 |
} |
|
274 |
||
275 |
public long waitedCount() { |
|
276 |
return getLong(cdata, WAITED_COUNT); |
|
277 |
} |
|
278 |
||
279 |
public String lockName() { |
|
280 |
// The LockName and LockOwnerName can legitimately be null, |
|
281 |
// we don't bother to check the value |
|
282 |
return getString(cdata, LOCK_NAME); |
|
283 |
} |
|
284 |
||
285 |
public long lockOwnerId() { |
|
286 |
return getLong(cdata, LOCK_OWNER_ID); |
|
287 |
} |
|
288 |
||
289 |
public String lockOwnerName() { |
|
290 |
return getString(cdata, LOCK_OWNER_NAME); |
|
291 |
} |
|
292 |
||
293 |
public boolean suspended() { |
|
294 |
return getBoolean(cdata, SUSPENDED); |
|
295 |
} |
|
296 |
||
297 |
public boolean inNative() { |
|
298 |
return getBoolean(cdata, IN_NATIVE); |
|
299 |
} |
|
300 |
||
301 |
public StackTraceElement[] stackTrace() { |
|
302 |
CompositeData[] stackTraceData = |
|
303 |
(CompositeData[]) cdata.get(STACK_TRACE); |
|
304 |
||
305 |
// The StackTrace item cannot be null, but if it is we will get |
|
306 |
// a NullPointerException when we ask for its length. |
|
307 |
StackTraceElement[] stackTrace = |
|
308 |
new StackTraceElement[stackTraceData.length]; |
|
309 |
for (int i = 0; i < stackTraceData.length; i++) { |
|
310 |
CompositeData cdi = stackTraceData[i]; |
|
311 |
stackTrace[i] = StackTraceElementCompositeData.from(cdi); |
|
312 |
} |
|
313 |
return stackTrace; |
|
314 |
} |
|
315 |
||
316 |
// 6.0 new attributes |
|
317 |
public LockInfo lockInfo() { |
|
318 |
LockDataConverter converter = new LockDataConverter(); |
|
319 |
CompositeData lockInfoData = (CompositeData) cdata.get(LOCK_INFO); |
|
320 |
return converter.toLockInfo(lockInfoData); |
|
321 |
} |
|
322 |
||
323 |
public MonitorInfo[] lockedMonitors() { |
|
324 |
CompositeData[] lockedMonitorsData = |
|
325 |
(CompositeData[]) cdata.get(LOCKED_MONITORS); |
|
326 |
||
327 |
// The LockedMonitors item cannot be null, but if it is we will get |
|
328 |
// a NullPointerException when we ask for its length. |
|
329 |
MonitorInfo[] monitors = |
|
330 |
new MonitorInfo[lockedMonitorsData.length]; |
|
331 |
for (int i = 0; i < lockedMonitorsData.length; i++) { |
|
332 |
CompositeData cdi = lockedMonitorsData[i]; |
|
333 |
monitors[i] = MonitorInfo.from(cdi); |
|
334 |
} |
|
335 |
return monitors; |
|
336 |
} |
|
337 |
||
338 |
public LockInfo[] lockedSynchronizers() { |
|
339 |
LockDataConverter converter = new LockDataConverter(); |
|
340 |
CompositeData[] lockedSyncsData = |
|
341 |
(CompositeData[]) cdata.get(LOCKED_SYNCS); |
|
342 |
||
343 |
// The LockedSynchronizers item cannot be null, but if it is we will |
|
344 |
// get a NullPointerException when we ask for its length. |
|
345 |
return converter.toLockedSynchronizers(lockedSyncsData); |
|
346 |
} |
|
347 |
||
348 |
/** Validate if the input CompositeData has the expected |
|
349 |
* CompositeType (i.e. contain all attributes with expected |
|
350 |
* names and types). |
|
351 |
*/ |
|
352 |
public static void validateCompositeData(CompositeData cd) { |
|
353 |
if (cd == null) { |
|
354 |
throw new NullPointerException("Null CompositeData"); |
|
355 |
} |
|
356 |
||
357 |
CompositeType type = cd.getCompositeType(); |
|
358 |
boolean currentVersion = true; |
|
359 |
if (!isTypeMatched(threadInfoCompositeType, type)) { |
|
360 |
currentVersion = false; |
|
361 |
// check if cd is an older version |
|
362 |
if (!isTypeMatched(threadInfoV5CompositeType, type)) { |
|
363 |
throw new IllegalArgumentException( |
|
364 |
"Unexpected composite type for ThreadInfo"); |
|
365 |
} |
|
366 |
} |
|
367 |
||
368 |
CompositeData[] stackTraceData = |
|
369 |
(CompositeData[]) cd.get(STACK_TRACE); |
|
370 |
if (stackTraceData == null) { |
|
371 |
throw new IllegalArgumentException( |
|
372 |
"StackTraceElement[] is missing"); |
|
373 |
} |
|
374 |
if (stackTraceData.length > 0) { |
|
375 |
StackTraceElementCompositeData.validateCompositeData(stackTraceData[0]); |
|
376 |
} |
|
377 |
||
378 |
// validate v6 attributes |
|
379 |
if (currentVersion) { |
|
380 |
CompositeData li = (CompositeData) cd.get(LOCK_INFO); |
|
381 |
if (li != null) { |
|
382 |
if (!isTypeMatched(lockInfoCompositeType, |
|
383 |
li.getCompositeType())) { |
|
384 |
throw new IllegalArgumentException( |
|
385 |
"Unexpected composite type for \"" + |
|
386 |
LOCK_INFO + "\" attribute."); |
|
387 |
} |
|
388 |
} |
|
389 |
||
390 |
CompositeData[] lms = (CompositeData[]) cd.get(LOCKED_MONITORS); |
|
391 |
if (lms == null) { |
|
392 |
throw new IllegalArgumentException("MonitorInfo[] is null"); |
|
393 |
} |
|
394 |
if (lms.length > 0) { |
|
395 |
MonitorInfoCompositeData.validateCompositeData(lms[0]); |
|
396 |
} |
|
397 |
||
398 |
CompositeData[] lsyncs = (CompositeData[]) cd.get(LOCKED_SYNCS); |
|
399 |
if (lsyncs == null) { |
|
400 |
throw new IllegalArgumentException("LockInfo[] is null"); |
|
401 |
} |
|
402 |
if (lsyncs.length > 0) { |
|
403 |
if (!isTypeMatched(lockInfoCompositeType, |
|
404 |
lsyncs[0].getCompositeType())) { |
|
405 |
throw new IllegalArgumentException( |
|
406 |
"Unexpected composite type for \"" + |
|
407 |
LOCKED_SYNCS + "\" attribute."); |
|
408 |
} |
|
409 |
} |
|
410 |
||
411 |
} |
|
412 |
} |
|
4173
d01972926813
6895875: Missing serialVersionUID in sun.management classes
mchung
parents:
715
diff
changeset
|
413 |
|
d01972926813
6895875: Missing serialVersionUID in sun.management classes
mchung
parents:
715
diff
changeset
|
414 |
private static final long serialVersionUID = 2464378539119753175L; |
2 | 415 |
} |