javax.ejb
Annotation Type Lock

@Target(value={TYPE,METHOD})
@Retention(value=RUNTIME)
public @interface Lock

Declares a concurrency lock for a method of a singleton bean with container-managed concurrency. Lock does not apply to stateful session beans with container-managed concurrency, since stateful session bean instances are always single-threaded.

Since:

EJB 3.1 version.

Author:

Florent Benoit

See Also:

EJB 3.1 specification

Optional Element Summary

LockType

value

value

public abstract LockType value

Default:

javax.ejb.LockType.WRITE