java.lang.Object
java.lang.management.LockInfo
- Direct Known Subclasses:
MonitorInfo
This class represents information about locked objects.
- Since:
- 1.6
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic LockInfofrom(CompositeData compositeData) Returns aLockInfoobject represented by the givenCompositeData.Returns the name of the lock object's class in fully qualified form (i.e.intReturns the value of the associated lock object's identity hash codetoString()Provides callers with a string value that represents the associated lock.
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Constructor Details
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LockInfo
Creates a newLockInfoinstance.- Parameters:
className- the name (including the package prefix) of the associated lock object's classidentityHashCode- the value of the associated lock object's identity hash code. This amounts to the result of callingSystem.identityHashCode(Object)with the lock object as the sole argument.- Throws:
NullPointerException- ifclassNameisnull
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Method Details
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getClassName
Returns the name of the lock object's class in fully qualified form (i.e. including the package prefix).- Returns:
- the associated lock object's class name
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getIdentityHashCode
public int getIdentityHashCode()Returns the value of the associated lock object's identity hash code- Returns:
- the identity hash code of the lock object
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from
Returns aLockInfoobject represented by the givenCompositeData. The givenCompositeDatamust contain the following attributes:The attributes and the types the given CompositeData contains Attribute Name Type className java.lang.StringidentityHashCode java.lang.Integer- Parameters:
compositeData-CompositeDatarepresenting aLockInfo- Returns:
- a
LockInfoobject represented bycompositeDataifcompositeDatais notnull;nullotherwise. - Throws:
IllegalArgumentException- ifcompositeDatadoes not represent aLockInfowith the attributes described above.- Since:
- 1.8
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toString
Provides callers with a string value that represents the associated lock. The string will hold both the name of the lock object's class and it's identity hash code expressed as an unsigned hexadecimal. i.e.
getClassName()+ @ + Integer.toHexString(getIdentityHashCode())
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