com.sleepycat.je.latch

Class LatchStats

java.lang.Object

com.sleepycat.je.latch.LatchStats

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class LatchStats
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable

A class that provides interesting stats about a particular latch.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
int	nAcquireNoWaitSuccessful Number of times acquireNoWait() was called when the latch was successfully acquired.
int	nAcquireNoWaitUnsuccessful Number of unsuccessful acquireNoWait() calls.
int	nAcquireSharedSuccessful Number of times acquireShared() was called when the latch was successfully acquired.
int	nAcquiresNoWaiters
int	nAcquiresSelfOwned Number of times acquire() was called when the latch was already owned by the caller.
int	nAcquiresUpgrade Number of times acquire() was called with allowNesting=true when the latch was already owned by the caller for shared access.
int	nAcquiresWithContention Number of times acquire() was called when the latch was already owned by the some other thread.
int	nReleases Numbed of calls to release();

Constructor Summary

Constructors

Constructor and Description
LatchStats()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	clone()
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

nAcquiresNoWaiters

public int nAcquiresNoWaiters

nAcquiresSelfOwned

public int nAcquiresSelfOwned

Number of times acquire() was called when the latch was already owned by the caller.

nAcquiresUpgrade

public int nAcquiresUpgrade

Number of times acquire() was called with allowNesting=true when the latch was already owned by the caller for shared access.

nAcquiresWithContention

public int nAcquiresWithContention

Number of times acquire() was called when the latch was already owned by the some other thread.

nAcquireNoWaitSuccessful

public int nAcquireNoWaitSuccessful

Number of times acquireNoWait() was called when the latch was successfully acquired.

nAcquireNoWaitUnsuccessful

public int nAcquireNoWaitUnsuccessful

Number of unsuccessful acquireNoWait() calls.

nAcquireSharedSuccessful

public int nAcquireSharedSuccessful

Number of times acquireShared() was called when the latch was successfully acquired.

nReleases

public int nReleases

Numbed of calls to release();

Constructor Detail

LatchStats

public LatchStats()

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException