No cache version.
Caching disabled. Default setting for this page:enabled (code LNG204)If the display is too slow, you can disable the user mode to view the cached version.
- java.lang.Object
-
- java.lang.management.LockInfo
-
- java.lang.management.MonitorInfo
-
public class MonitorInfo extends LockInfo
Information about an object monitor lock. An object monitor is locked when entering a synchronization block or method on that object.MXBean Mapping
MonitorInfo is mapped to aCompositeData
with attributes as specified in thefrom
method.- Since:
- 1.6
-
-
Constructor Summary
Constructors Constructor and Description MonitorInfo(String className, int identityHashCode, int stackDepth, StackTraceElement stackFrame)
Construct a MonitorInfo object.
-
Method Summary
Methods Modifier and Type Method and Description static MonitorInfo
from(CompositeData cd)
Returns a MonitorInfo object represented by the given CompositeData.int
getLockedStackDepth()
Returns the depth in the stack trace where the object monitor was locked.StackTraceElement
getLockedStackFrame()
Returns the stack frame that locked the object monitor.-
Methods inherited from class java.lang.management.LockInfo
getClassName, getIdentityHashCode, toString
-
-
-
-
Constructor Detail
-
MonitorInfo
public MonitorInfo(String className, int identityHashCode, int stackDepth, StackTraceElement stackFrame)
Construct a MonitorInfo object.- Parameters:
className
- the fully qualified name of the class of the lock object.identityHashCode
- theidentity hash code
of the lock object.stackDepth
- the depth in the stack trace where the object monitor was locked.stackFrame
- the stack frame that locked the object monitor.- Throws:
IllegalArgumentException
- if stackDepth ≥ 0 but stackFrame is null, or stackDepth < 0 but stackFrame is not null.
-
-
Method Detail
-
getLockedStackDepth
public int getLockedStackDepth()
Returns the depth in the stack trace where the object monitor was locked. The depth is the index to the StackTraceElement array returned in theThreadInfo.getStackTrace()
method.- Returns:
- the depth in the stack trace where the object monitor was locked, or a negative number if not available.
-
getLockedStackFrame
public StackTraceElement getLockedStackFrame()
Returns the stack frame that locked the object monitor.- Returns:
- StackTraceElement that locked the object monitor, or null if not available.
-
from
public static MonitorInfo from(CompositeData cd)
Returns a MonitorInfo object represented by the given CompositeData. The given CompositeData must contain the following attributes as well as the attributes specified in the mapped type for theLockInfo
class:Attribute Name Type lockedStackFrame CompositeData as specified in the stackTrace attribute defined in the ThreadInfo.from
method.lockedStackDepth java.lang.Integer - Parameters:
cd
- CompositeData representing a MonitorInfo- Returns:
- a MonitorInfo object represented by cd if cd is not null; null otherwise.
- Throws:
IllegalArgumentException
- if cd does not represent a MonitorInfo with the attributes described above.
-
-
Can not display this page of the Infobrol website
Type of error (18-01)
Unknown format specifier "&"Please try again in a few minutes…
Steph