Object
DB
Object
DB
ObjectDB
ObjectDB Database
Get ObjectDB
Support
Manual
Quick Tour
Entity Classes
Using JPA
JPA Queries
Tools
and Utilities
Configuration
API
JPA
Reference
JDO
Reference
Tutorials
General JPA Tutorials
Web App JPA Tutorials
Admin
Home
»
JPA Reference
»
EntityManager
»
isOpen() - JPA EntityManager's method
JPA Reference
Persistence
EntityManagerFactory
EntityManager
EntityTransaction
Annotations
Queries
Metamodel
Miscellaneous
Exceptions
isOpen() - JPA EntityManager's method
Method
javax.persistence.EntityManager
boolean isOpen()
Determine whether the entity manager is open.
Returns:
true until the entity manager has been closed
Since:
JPA 1.0
< EntityManager
^ EntityManager
EntityTransaction >