com.sleepycat.db

Class LockDetectMode

java.lang.Object

com.sleepycat.db.LockDetectMode

public final class LockDetectMode
extends java.lang.Object

Deadlock detection modes.

Field Summary

Fields

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

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

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 Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object