32 words

contains(entity) - JPA EntityManager's method

Method
javax.persistence.EntityManager
boolean contains(
  Object entity
)

Check if the instance is a managed entity instance belonging to the current persistence context.
Parameters:
entity - entity instance
Returns:
boolean indicating if entity is in persistence context
Throws:
IllegalArgumentException - if not an entity
Since:
JPA 1.0

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.
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.