HHH-5817 : Passing char[] or byte[] to equal function of CriteriaBuilder throws ClassCastException (Vyacheslav Dimitrov)

hibernate-entitymanager/src/main/java/org/hibernate/ejb/AbstractQueryImpl.java

@@ -344,7 +344,7 @@ public abstract class AbstractQueryImpl<X> implements TypedQuery<X> {
 					}
 				}
 			}
-			else if ( value.getClass().isArray() ) {
+			else if ( value.getClass().isArray() && value.getClass().equals( Object[].class ) ) {
 				final Object[] array = (Object[]) value;
 				for ( Object element : array ) {
 					if ( ! parameter.getParameterType().isInstance( element ) ) {

hibernate-entitymanager/src/test/java/org/hibernate/ejb/criteria/basic/PredicateTest.java

@@ -151,7 +151,39 @@ public class PredicateTest extends AbstractMetamodelSpecificTest {
 		em.getTransaction().begin();
 		em.persist( new Order( "order-1", 1.0d ) );
 		em.persist( new Order( "order-2", 10.0d ) );
-		em.persist( new Order( "order-3", 100.0d ) );
+		em.persist( new Order( "order-3", new char[]{'r','u'} ) );
 		em.getTransaction().commit();
 	}
+
+	/**
+	 * Check predicate for field which has simple char array type (char[]).
+	 */
+	public void testCharArray() {
+		CriteriaQuery<Order> orderCriteria = builder.createQuery( Order.class );
+		Root<Order> orderRoot = orderCriteria.from( Order.class );
+		
+		orderCriteria.select( orderRoot );
+		Predicate p = builder.equal( orderRoot.get( "domen" ), new char[]{'r','u'} );
+		orderCriteria.where( p );
+
+		List<Order> orders = em.createQuery( orderCriteria ).getResultList();
+		assertTrue( orders.size() == 1 );
+	}
+
+	/**
+	 * Check predicate for field which has simple char array type (byte[]).
+	 */
+	public void testByteArray() {
+		CriteriaQuery<Order> orderCriteria = builder.createQuery( Order.class );
+		Root<Order> orderRoot = orderCriteria.from( Order.class );
+		
+		orderCriteria.select( orderRoot );
+		Predicate p = builder.equal( orderRoot.get( "number" ), new byte[]{'1','2'} );
+		orderCriteria.where( p );
+
+		List<Order> orders = em.createQuery( orderCriteria ).getResultList();
+		assertTrue( orders.size() == 0 );
+	}
+
+
 }

hibernate-entitymanager/src/test/java/org/hibernate/ejb/metamodel/Order.java

@@ -49,6 +49,9 @@ public class Order implements java.io.Serializable {
 	private LineItem sampleLineItem;
 	private Collection<LineItem> lineItems = new java.util.ArrayList<LineItem>();
 
+	private char[] domen;
+	private byte[] number;
+
 	public Order() {
 	}
 
@@ -62,6 +65,12 @@ public class Order implements java.io.Serializable {
 		this.customer = customer;
 	}
 
+	public Order(String id, char[] domen) {
+		this.id = id;
+		this.domen = domen;
+	}
+
+
 	public Order(String id) {
 		this.id = id;
 	}
@@ -138,4 +147,22 @@ public class Order implements java.io.Serializable {
 	public void setLineItems(Collection<LineItem> c) {
 		this.lineItems = c;
 	}
-}
+
+	public char[] getDomen() {
+		return domen;
+	}
+
+	public void setDomen(char[] d) {
+		domen = d;
+	}
+
+	public byte[] getNumber() {
+		return number;
+	}
+
+	public void setNumber(byte[] n) {
+		number = n;
+	}
+
+
+}