getProperties() - JPA EntityManager's method

Map<String,Object> getProperties()

Get the properties and hints and associated values that are in effect for the entity manager. Changing the contents of the map does not change the configuration in effect.
map of properties and hints in effect for entity manager
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.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.