PessimisticLock (EclipseLink Core 3.0.3-RC2 API)

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

```
public class PessimisticLock
extends 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
  
  Fields
  Modifier and Type Field Description
  
  static String DEFAULT
  
  static String Lock
  
  static String LockNoWait
  
  static String NoLock
- Constructor Summary
  
  Constructors
  Constructor Description
  
  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 String NoLock
```
    See Also:
    
    Constant Field Values
  - Lock
```
public static final String Lock
```
    See Also:
    
    Constant Field Values
  - LockNoWait
```
public static final String LockNoWait
```
    See Also:
    
    Constant Field Values
  - DEFAULT
```
public static final String DEFAULT
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PessimisticLock
```
public PessimisticLock()
```