87 words
construct(resultClass, selections) - JPA CriteriaBuilder's method
Methodjavax.persistence.criteria.CriteriaBuilder
CompoundSelection<Y> construct(
Class<Y> resultClass,
Selection... selections
)
Create a selection item corresponding to a constructor.
This method is used to specify a constructor that will be
applied to the results of the query execution. If the
constructor is for an entity class, the resulting entities
will be in the new state after the query is executed.
- Parameters:
resultClass- class whose instance is to be constructedselections- arguments to the constructor
- Returns:
- compound selection item
- Throws:
IllegalArgumentException- if an argument is a tuple- or array-valued selection item
- 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.