org.eclipse.persistence.config
Class PessimisticLock

java.lang.Object
  org.eclipse.persistence.config.PessimisticLock

public class PessimisticLock
extends java.lang.Object

PessimisticLock hint values. The class contains all the valid values for QueryHints.PESSIMISTIC_LOCK query hint.

JPA Query Hint Usage:

query.setHint(QueryHints.PESSIMISTIC_LOCK, PessimisticLock.Lock);

or

@QueryHint(name=QueryHints.PESSIMISTIC_LOCK, value=PessimisticLock.Lock)

Hint values are case-insensitive. "" could be used instead of default value PessimisticLock.DEFAULT.

See Also:

Note: As of JPA 2.0 there is a standard way to configure pessimistic locking., LockModeType, (find(), refresh(), lock()), (setLockMode())

Field Summary

static java.lang.String	DEFAULT
static java.lang.String	Lock
static java.lang.String	LockNoWait
static java.lang.String	NoLock

Constructor Summary

PessimisticLock()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

NoLock

public static final java.lang.String NoLock

See Also:

Constant Field Values

Lock

public static final java.lang.String Lock

See Also:

Constant Field Values

LockNoWait

public static final java.lang.String LockNoWait

See Also:

Constant Field Values

DEFAULT

public static final java.lang.String DEFAULT

See Also:

Constant Field Values

Constructor Detail

PessimisticLock

public PessimisticLock()