Java compact3 java.lang.management Class LockInfo（JDK8）

Constructor Detail

• LockInfo

  public LockInfo(String className,
                  int identityHashCode)

  Constructs a LockInfo object.

  Parameters:

  className - the fully qualified name of the class of the lock object.

  identityHashCode - the identity hash code of the lock object.

Method Detail

• getClassName

  public String getClassName()

  Returns the fully qualified name of the class of the lock object.

  Returns:

  the fully qualified name of the class of the lock object.

• getIdentityHashCode

  public int getIdentityHashCode()

  Returns the identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.

  Returns:

  the identity hash code of the lock object.

• from

  public static LockInfo from(CompositeData cd)

  Returns a LockInfo object represented by the given CompositeData. The given CompositeData must contain the following attributes:

  Attribute Name	Type
  className	java.lang.String
  identityHashCode	java.lang.Integer

  Parameters:

  cd - CompositeData representing a LockInfo

  Returns:

  a LockInfo object represented by cd if cd is not null; null otherwise.

  Throws:

  IllegalArgumentException - if cd does not represent a LockInfo with the attributes described above.

  Since:

  1.8

• toString

  public String toString()

  Returns a string representation of a lock. The returned string representation consists of the name of the class of the lock object, the at-sign character `@', and the unsigned hexadecimal representation of the identity hash code of the object. This method returns a string equals to the value of:

   lock.getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(lock))
   

  where lock is the lock object.

  Overrides:

  toString in class Object

  Returns:

  the string representation of a lock.