52 words
getLockMode(entity) - JPA EntityManager's method
Methodjavax.persistence.EntityManager
LockModeType getLockMode(
Object entity
)
Get the current lock mode for the entity instance.
- Parameters:
entity- entity instance
- Returns:
- lock mode
- Throws:
TransactionRequiredException- if there is no transactionIllegalArgumentException- if the instance is not a managed entity and a transaction is active
- Since:
- JPA 2.0
This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
Object DB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.
Which JPA is Faster?
See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB
in the JPA Benchmark.
