CriteriaApiHelper.SelectCtx (formcycle: bom 8.6.0 API)

java.lang.Object
- de.xima.fc.dao.utils.CriteriaApiHelper.SelectCtx<QT>

Type Parameters:: QT - the query type.

Enclosing class:: CriteriaApiHelper

public static final class CriteriaApiHelper.SelectCtx<QT>
extends Object

Wraps the EntityManager provided by the entity context, a CriteriaBuilder and a CriteriaQuery. This can replace the well-known three-liner


  EntityManager em = ec.getEm();
  CriteriaBuilder cb = em.getCriteriaBuilder();
  CriteriaQuery<XyzEntity> cq = cb.createQuery(XyzEntity.class);

by


  SelectCtx<XyzEntity> ctx = CriteriaApiHelper.selectCtx(ec);

Field Summary

Fields
Modifier and Type Field Description

javax.persistence.criteria.CriteriaQuery<QT> cq
The CriteriaQuery instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`javax.persistence.TypedQuery<QT>`	`createQuery()`	Creates a `TypedQuery` instance for executing a criteria query, does the same as `ctx.em.createQuery(ctx.cq)`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - cq
```
public final javax.persistence.criteria.CriteriaQuery<QT> cq
```
    The CriteriaQuery instance.
- Method Detail
  - createQuery
```
public javax.persistence.TypedQuery<QT> createQuery()
```
    Creates a TypedQuery instance for executing a criteria query, does the same as ctx.em.createQuery(ctx.cq).
    
    Returns:
    
    the resulting TypedQuery