/**
* Formats the thread dump for one thread.
*
* @param ti the ThreadInfo describing the thread
* @return the formatted thread dump
*/
private static String getThreadDump(ThreadInfo ti) {
StringBuilder sb = new StringBuilder(getThreadDumpHeader(ti));
for (LockInfo li : ti.getLockedSynchronizers()) {
sb.append(INDENT2 + "locks " + li.toString() + CRLF);
}
boolean start = true;
StackTraceElement[] stes = ti.getStackTrace();
Object[] monitorDepths = new Object[stes.length];
MonitorInfo[] mis = ti.getLockedMonitors();
for (int i = 0; i < mis.length; i++) {
monitorDepths[mis[i].getLockedStackDepth()] = mis[i];
}
for (int i = 0; i < stes.length; i++) {
StackTraceElement ste = stes[i];
sb.append(INDENT2 + "at " + ste.toString() + CRLF);
if (start) {
if (ti.getLockName() != null) {
sb.append(INDENT2 + "- waiting on (a " + ti.getLockName() + ")");
if (ti.getLockOwnerName() != null) {
sb.append(" owned by " + ti.getLockOwnerName() + " Id=" + ti.getLockOwnerId());
}
sb.append(CRLF);
}
start = false;
}
if (monitorDepths[i] != null) {
MonitorInfo mi = (MonitorInfo) monitorDepths[i];
sb.append(
INDENT2
+ "- locked (a "
+ mi.toString()
+ ")"
+ " index "
+ mi.getLockedStackDepth()
+ " frame "
+ mi.getLockedStackFrame().toString());
sb.append(CRLF);
}
}
return sb.toString();
}
public boolean heldReadsContains(LockInfo lockInfo) {
return holdingReads.containsKey(lockInfo.toString());
}
public boolean heldWritesContains(LockInfo lockInfo) {
return holdingWrites.containsKey(lockInfo.toString());
}
public boolean isWaitingFor(WaitingFor waitingFor, LockInfo waitingForLock) {
return this.waitingFor == waitingFor
&& this.waitingForLock != null
&& this.waitingForLock.toString().equals(waitingForLock.toString());
}
void addHoldingRead(LockInfo lockInfo) {
this.holdingReads.put(lockInfo.toString(), lockInfo);
}
void addHoldingWrite(LockInfo lockInfo) {
this.holdingWrites.put(lockInfo.toString(), lockInfo);
}