Package com.sleepycat.db

Class LockDetectMode

java.lang.Object

com.sleepycat.db.LockDetectMode

public final class LockDetectMode
extends Object

Deadlock detection modes.

Field Summary

Fields

Modifier and Type	Field	Description
static final LockDetectMode	DEFAULT	Use whatever lock policy was specified when the database environment was created.
static final LockDetectMode	EXPIRE	Reject lock requests which have timed out.
static final LockDetectMode	MAXLOCKS	Reject the lock request for the locker ID with the most locks.
static final LockDetectMode	MAXWRITE	Reject the lock request for the locker ID with the most write locks.
static final LockDetectMode	MINLOCKS	Reject the lock request for the locker ID with the fewest locks.
static final LockDetectMode	MINWRITE	Reject the lock request for the locker ID with the fewest write locks.
static final LockDetectMode	NONE	Turn off deadlock detection.
static final LockDetectMode	OLDEST	Reject the lock request for the locker ID with the oldest lock.
static final LockDetectMode	RANDOM	Reject the lock request for a random locker ID.
static final LockDetectMode	YOUNGEST	Reject the lock request for the locker ID with the youngest lock.

Method Summary

Modifier and Type	Method	Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

NONE

public static final LockDetectMode NONE

Turn off deadlock detection.

DEFAULT

public static final LockDetectMode DEFAULT

Use whatever lock policy was specified when the database environment was created. If no lock policy has yet been specified, set the lock policy to DB_LOCK_RANDOM.

EXPIRE

public static final LockDetectMode EXPIRE

Reject lock requests which have timed out. No other deadlock detection is performed.

MAXLOCKS

public static final LockDetectMode MAXLOCKS

Reject the lock request for the locker ID with the most locks.

MAXWRITE

public static final LockDetectMode MAXWRITE

Reject the lock request for the locker ID with the most write locks.

MINLOCKS

public static final LockDetectMode MINLOCKS

Reject the lock request for the locker ID with the fewest locks.

MINWRITE

public static final LockDetectMode MINWRITE

Reject the lock request for the locker ID with the fewest write locks.

OLDEST

public static final LockDetectMode OLDEST

Reject the lock request for the locker ID with the oldest lock.

RANDOM

public static final LockDetectMode RANDOM

Reject the lock request for a random locker ID.

YOUNGEST

public static final LockDetectMode YOUNGEST

Reject the lock request for the locker ID with the youngest lock.

Method Details

toString

public String toString()

Overrides:

toString in class Object