2.4.15 @Lock

Organization of this subsection
(1) Description
(2) Attribute

(1) Description

Specify a method to perform exclusive control when you are accessing business methods of Singleton Session Bean in which the Container Managed Concurrency is set.

(2) Attribute

The following table lists the @Lock attributes:

Attribute nameFunctionality
valueSpecify whether concurrent access is allowed (READ) or not allowed (WRITE) when you access business methods.

Details of each attribute are as follows:

(a) value attribute
Type
LockType
Description
Specify whether access is allowed (READ) or not allowed (WRITE) when you access business methods.
Default value
WRITE