fixes #33

Author: rmpestano

src/main/java/com/github/adminfaces/persistence/service/CrudService.java

@@ -17,10 +17,10 @@
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.logging.Logger;
+import org.apache.deltaspike.data.impl.criteria.QueryCriteria;
 
 /**
  * @author rmpestano
@@ -405,4 +405,12 @@ protected <ID extends Serializable> ID[] toListOfIds(Collection<? extends Persis
 		return (ID[]) ids.toArray(idsType);
 	}
 
+    /**
+     * 
+     * @param entityClass
+     * @return a criteria for underlying entityClass
+     */
+    public <E extends PersistenceEntity> Criteria<E, E> criteria(Class<E> entityClass) {
+        return new QueryCriteria<>(entityClass, entityClass, getEntityManager());
+    }
 }

src/test/java/com/github/adminfaces/persistence/CrudServiceIt.java

@@ -450,7 +450,14 @@ public void shouldFindCarByExampleUsingAnExistingCriteria() {
                 .extracting("name")
                 .contains("Sentra");
     }
-
+    
+    @Test
+    @DataSet(value ="sales-points.yml", cleanBefore = true)
+    public void shouldListSalesPointsUsingCarService() {
+        List<SalesPoint> listSalesPointsByName = carService.listSalesPointsByName("Motors");
+        assertThat(listSalesPointsByName).isNotNull().hasSize(2);
+    }
+        
 
     private Car getCar() {
 

src/test/java/com/github/adminfaces/persistence/model/SalesPoint.java

@@ -12,7 +12,7 @@ public class SalesPoint implements PersistenceEntity {
     private String name;
 
     private String address;
-
+    
     public SalesPoint() {
     }
 

src/test/java/com/github/adminfaces/persistence/service/CarService.java

@@ -93,6 +93,13 @@ public List<Car> listByModel(String model) {
                 .likeIgnoreCase(Car_.model, model)
                 .getResultList();
     }
+    
+    //just to test criteria on a different entity
+    public List<SalesPoint> listSalesPointsByName(String name) {
+        return criteria(SalesPoint.class)
+                .likeIgnoreCase(SalesPoint_.name, "%"+name + "%")
+                .getResultList();
+    }
 
     public List<String> getModels(String query) {
         return criteria()

src/test/resources/datasets/sales-points.yml

@@ -0,0 +1,13 @@
+sales_point:
+  - id1: 10
+    id2: 20
+    name: Ford Motors
+    address: "Ford motors address"
+  - id1: 10
+    id2: 30
+    name: Ford Motors2
+    address: "Ford motors2 address"
+  - id1: 20
+    id2: 10
+    name: Nissan Sales
+    address: "Nissan address"