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getParameter(name, type) - JPA Query's method

Parameter<T> getParameter(
  String name,
  Class<T> type

Get the parameter object corresponding to the declared parameter of the given name and type. This method is required to be supported for criteria queries only.
name - parameter name
type - type
parameter object
IllegalArgumentException - if the parameter of the specified name does not exist or is not assignable to the type
IllegalStateException - if invoked on a native query or Java Persistence query language query when the implementation does not support this use
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.