[Openutils-svn] SF.net SVN: openutils: [718] trunk/openutils-bshd5/src/main/java/it/ openutils/dao/hibernate

[<mup...@us...>]

Revision: 718
          http://openutils.svn.sourceforge.net/openutils/?rev=718&view=rev
Author:   muppet68
Date:     2008-03-05 09:08:56 -0800 (Wed, 05 Mar 2008)

Log Message:
-----------
Aggiunto metodo per ritornare solo sottoinsieme di propriet?\195?\160 di un oggetto

Modified Paths:
--------------
    trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAO.java
    trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java

Modified: trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAO.java
===================================================================
--- trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAO.java	2008-03-03 14:36:22 UTC (rev 717)
+++ trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAO.java	2008-03-05 17:08:56 UTC (rev 718)
@@ -141,7 +141,22 @@
      */
     List<T> findFiltered(final T filter, final Order[] customOrder, final Map<String, FilterMetadata> metadata,
         final int maxResults, final int page, List<Criterion> additionalCriteria);
+    
+    /**
+     * Return properties from all objects related to the implementation of this DAO filtered using properties of the provided instance.
+     * @param filter an instance of the object with the properties you whish to filter on.
+     * @param customOrder order criterias
+     * @param metadata filter metadata
+     * @param maxResults maximum number of results
+     * @param page result page (first result is maxResults * page)
+     * @param additionalCriteria additional criteria
+     * @param properties properties to be returned
+     * @return list of properties from all objects
+     */    
+    List<?> findFilteredProperties(final T filter, final Order[] customOrder, final Map<String, FilterMetadata> metadata,
+        final int maxResults,final int page, List<Criterion> additionalCriteria, List<String> properties);
 
+
     /**
      * Return all objects related to the implementation of this DAO filtered using properties of the provided instance.
      * @param filter an instance of the object with the properties you whish to filter on.

Modified: trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java
===================================================================
--- trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	2008-03-03 14:36:22 UTC (rev 717)
+++ trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	2008-03-05 17:08:56 UTC (rev 718)
@@ -20,6 +20,9 @@
 import org.hibernate.criterion.CriteriaSpecification;
 import org.hibernate.criterion.Criterion;
 import org.hibernate.criterion.Order;
+import org.hibernate.criterion.ProjectionList;
+import org.hibernate.criterion.Projections;
+import org.hibernate.criterion.Property;
 import org.hibernate.type.Type;
 import org.springframework.aop.framework.AopContext;
 import org.springframework.orm.hibernate3.HibernateCallback;
@@ -331,7 +334,7 @@
     /**
      * {@inheritDoc}
      */
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings("unchecked")    
     public List<T> findFiltered(T filter, Order[] customOrder, Map<String, FilterMetadata> metadata, int maxResults,
         int page, List<Criterion> additionalCriteria)
     {
@@ -339,10 +342,40 @@
             .getDefaultOrder();
 
         return (List<T>) getHibernateTemplate().execute(
-            new HibernateCallbackForExecution(filter, page, maxResults, metadata, orderProperties, additionalCriteria));
+            new HibernateCallbackForExecution(
+                filter,
+                page,
+                maxResults,
+                metadata,
+                orderProperties,
+                additionalCriteria,
+                null));
     }
 
     /**
+     * 
+     * {@inheritDoc}
+     */
+    @SuppressWarnings("unchecked")  
+    public List<?> findFilteredProperties(final T filter, final Order[] customOrder,
+        final Map<String, FilterMetadata> metadata, final int maxResults, final int page,
+        List<Criterion> additionalCriteria, List<String> properties)
+    {
+        final Order[] orderProperties = customOrder != null && customOrder.length > 0 ? customOrder : this
+            .getDefaultOrder();
+
+        return (List< ? >) getHibernateTemplate().execute(
+            new HibernateCallbackForExecution(
+                filter,
+                page,
+                maxResults,
+                metadata,
+                orderProperties,
+                additionalCriteria,
+                properties));
+    }
+
+    /**
      * Return the specific Object class that will be used for class-specific implementation of this DAO.
      * @return the reference Class
      */
@@ -550,6 +583,11 @@
         private final Map<String, FilterMetadata> metadata;
 
         /**
+         * 
+         */
+        private final List<String> properties;
+
+        /**
          *
          */
         private final Order[] orderProperties;
@@ -569,7 +607,8 @@
             int maxResults,
             Map<String, FilterMetadata> metadata,
             Order[] orderProperties,
-            List<Criterion> additionalCriteria)
+            List<Criterion> additionalCriteria,
+            List<String> properties)
         {
             this.filter = filter;
             this.page = page;
@@ -577,6 +616,7 @@
             this.metadata = metadata;
             this.orderProperties = orderProperties;
             this.additionalCriteria = additionalCriteria;
+            this.properties = properties;
         }
 
         public Object doInHibernate(Session ses) throws HibernateException
@@ -604,6 +644,17 @@
                     crit.add(criterion);
                 }
             }
+            if (properties != null)
+            {
+                ProjectionList projectionList = Projections.projectionList();
+
+                for (String property : properties)
+                {
+                    projectionList.add(Property.forName(property));
+                }
+
+                crit.setProjection(projectionList);
+            }
             return crit.list();
         }
     }


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