NullPointerException in {{LiteralExpression#renderProjection}}. {{ValueHandlerFactory.determineAppropriateHandler( literal.getClass() );}} returns null for enum classes.
{code:java}
public String renderProjection(RenderingContext renderingContext) {
// some drivers/servers do not like parameters in the select clause
final ValueHandlerFactory.ValueHandler handler =
ValueHandlerFactory.determineAppropriateHandler( literal.getClass() );
if ( ValueHandlerFactory.isCharacter( literal ) ) {
return '\'' + handler.render( literal ) + '\'';
}
else {
return handler.render( literal );
}
}
{code}
Triggered when constructing a new result object using a selectCase criteria.
{code:java}
public static class Foo {
enum Status { BAR, BAZ }
private final Status foo;
public Foo(final Status foo) { this.foo = foo; }
}
@Entity
public static class Wibble {
@Id
private int id;
}
public List<Foo> query() {
final CriteriaBuilder cb = em.getCriteriaBuilder();
final CriteriaQuery<Foo> query = cb.createQuery(Foo.class);
final Root<Wibble> root = query.from(Wibble.class);
query
.select(cb.construct(Foo.class, cb.selectCase()
.when(cb.equal(root.get(Wibble_.id), 1), Foo.Status.BAR)
.otherwise(Foo.Status.BAZ)));
return em.createQuery(query).getResultList();
}
{code} |
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