Class<T> getParameterType()
Return the Java type of the parameter. Values bound to the parameter must be assignable to this type. This method is required to be supported for criteria queries only. Applications that use this method for Jakarta Persistence query language queries and native queries will not be portable.
- Return:
- the Java type of the parameter
- Throws:
- IllegalStateException - if invoked on a parameter obtained from a query language query or native query when the implementation does not support this usage
- Since:
- JPA 2.0