Package javax.ejb

Annotation Interface Lock

@Target({TYPE,METHOD}) @Retention(RUNTIME) public @interface Lock
Declares a concurrency lock for a singleton session bean with container managed concurrency.

This annotation may be specified on the bean class, the business methods of the bean class or both. Specifying the annotation on a business method overrides the value specified at class level, if any.

If this annotation is not used, a value of Lock(WRITE) is assumed.

Since:
EJB 3.1

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    LockType
    value
     

  • Element Details