Thread: [Openutils-svn] SF.net SVN: openutils: [93] tags

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Revision: 93
          http://svn.sourceforge.net/openutils/?rev=93&view=rev
Author:   fgiust
Date:     2006-10-18 05:30:41 -0700 (Wed, 18 Oct 2006)

Log Message:
-----------
[maven-scm] copy for tag openutils-bshd5-1.0.2

Added Paths:
-----------
    tags/openutils-bshd5-1.0.2/
    tags/openutils-bshd5-1.0.2/pom.xml
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/MutableDateRange.java
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/hibernate/example/EnhancedExample.java

Removed Paths:
-------------
    tags/openutils-bshd5-1.0.2/pom.xml
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/MutableDateRange.java
    tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/hibernate/example/EnhancedExample.java

Copied: tags/openutils-bshd5-1.0.2 (from rev 80, trunk/openutils-bshd5)

Deleted: tags/openutils-bshd5-1.0.2/pom.xml
===================================================================

--- trunk/openutils-bshd5/pom.xml	2006-10-08 20:46:20 UTC (rev 80)
+++ tags/openutils-bshd5-1.0.2/pom.xml	2006-10-18 12:30:41 UTC (rev 93)
@@ -1,46 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <groupId>net.sourceforge.openutils</groupId>
-    <artifactId>openutils</artifactId>
-    <version>2</version>
-    <relativePath>../openutils-parent</relativePath>
-  </parent>
-  <artifactId>openutils-bshd5</artifactId>
-  <name>openutils base Spring-Hibernate DAO for java 5.0</name>
-  <version>1.1-SNAPSHOT</version>
-  <description>openutils base Spring-Hibernate DAO for java 5.0</description>
-  <dependencies>
-    <dependency>
-      <groupId>org.springframework</groupId>
-      <artifactId>spring-hibernate3</artifactId>
-      <version>2.0</version>
-    </dependency>
-    <dependency>
-      <groupId>org.hibernate</groupId>
-      <artifactId>hibernate</artifactId>
-      <version>3.2.0.cr4</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-beanutils</groupId>
-      <artifactId>commons-beanutils</artifactId>
-      <version>1.7.0</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-lang</groupId>
-      <artifactId>commons-lang</artifactId>
-      <version>2.1</version>
-    </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-log4j12</artifactId>
-      <version>1.0.1</version>
-    </dependency>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>3.8.1</version>
-      <optional>true</optional>
-    </dependency>
-  </dependencies>
-</project>
\ No newline at end of file

Copied: tags/openutils-bshd5-1.0.2/pom.xml (from rev 92, trunk/openutils-bshd5/pom.xml)
===================================================================
--- tags/openutils-bshd5-1.0.2/pom.xml	                        (rev 0)
+++ tags/openutils-bshd5-1.0.2/pom.xml	2006-10-18 12:30:41 UTC (rev 93)
@@ -0,0 +1,52 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>net.sourceforge.openutils</groupId>
+    <artifactId>openutils</artifactId>
+    <version>2</version>
+    <relativePath>../openutils-parent</relativePath>
+  </parent>
+  <artifactId>openutils-bshd5</artifactId>
+  <name>openutils base Spring-Hibernate DAO for java 5.0</name>
+  <version>1.0.2</version>
+  <description>openutils base Spring-Hibernate DAO for java 5.0</description>
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-hibernate3</artifactId>
+      <version>2.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate</groupId>
+      <artifactId>hibernate</artifactId>
+      <version>3.2.0.cr5</version>
+    </dependency>
+    <dependency>
+      <groupId>commons-beanutils</groupId>
+      <artifactId>commons-beanutils</artifactId>
+      <version>1.7.0</version>
+    </dependency>
+    <dependency>
+      <groupId>commons-lang</groupId>
+      <artifactId>commons-lang</artifactId>
+      <version>2.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <version>1.0.1</version>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <optional>true</optional>
+    </dependency>
+  </dependencies>
+
+  <scm>
+    <connection>scm:svn:https://svn.sourceforge.net/svnroot/openutils/tags/openutils-bshd5-1.0.2</connection>
+    <developerConnection>scm:svn:https://svn.sourceforge.net/svnroot/openutils/tags/openutils-bshd5-1.0.2</developerConnection>
+    <url>http://svn.sourceforge.net/viewcvs.cgi/openutils/tags/openutils-bshd5-1.0.2</url>
+  </scm>
+</project>
\ No newline at end of file

Deleted: tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java
===================================================================
--- trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	2006-10-08 20:46:20 UTC (rev 80)
+++ tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	2006-10-18 12:30:41 UTC (rev 93)
@@ -1,421 +0,0 @@
-package it.openutils.dao.hibernate;
-
-import it.openutils.hibernate.example.EnhancedExample;
-import it.openutils.hibernate.example.FilterMetadata;
-
-import java.io.Serializable;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import org.hibernate.Criteria;
-import org.hibernate.Hibernate;
-import org.hibernate.HibernateException;
-import org.hibernate.ObjectNotFoundException;
-import org.hibernate.Query;
-import org.hibernate.Session;
-import org.hibernate.criterion.CriteriaSpecification;
-import org.hibernate.criterion.Order;
-import org.hibernate.type.Type;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.orm.hibernate3.HibernateCallback;
-import org.springframework.orm.hibernate3.HibernateObjectRetrievalFailureException;
-import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
-
-
-/**
- * Base Hibernate DAO.
- * @author Fabrizio Giustina
- * @version $Id$
- */
-public abstract class HibernateDAOImpl<T extends Object, K extends Serializable> extends HibernateDaoSupport
-    implements
-    HibernateDAO<T, K>
-{
-
-    /**
-     * Logger.
-     */
-    private static Logger log = LoggerFactory.getLogger(HibernateDAOImpl.class);
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#find(java.lang.String)
-     */
-    public List<T> find(String query)
-    {
-        return getHibernateTemplate().find(query);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findAll()
-     */
-    public List<T> findAll()
-    {
-        return findAll(getDefaultOrder());
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findAll(org.hibernate.criterion.Order[])
-     */
-    public List<T> findAll(final Order[] orderProperties)
-    {
-
-        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                Criteria crit = ses.createCriteria(getReferenceClass());
-                if (null != orderProperties)
-                {
-                    for (int j = 0; j < orderProperties.length; j++)
-                    {
-                        crit.addOrder(orderProperties[j]);
-                    }
-
-                }
-                return crit.list();
-            }
-        });
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#find(java.lang.String, java.lang.Object, org.hibernate.type.Type)
-     */
-    public List<T> find(String query, Object obj, Type type)
-    {
-        return find(query, new Object[]{obj}, new Type[]{type});
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#find(String, Object[], Type[])
-     */
-    public List<T> find(final String query, final Object[] obj, final Type[] type)
-    {
-        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                // hibernate 3
-                return ses.createQuery(query).setParameters(obj, type).list();
-            }
-        });
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#load(java.io.Serializable)
-     */
-    public T load(K key)
-    {
-        T result = (T) getHibernateTemplate().load(getReferenceClass(), key);
-        Hibernate.initialize(result);
-        return result;
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#load(java.io.Serializable)
-     */
-    public T loadIfAvailable(K key)
-    {
-        T result;
-        try
-        {
-            result = (T) getHibernateTemplate().load(getReferenceClass(), key);
-            Hibernate.initialize(result);
-        }
-        catch (ObjectNotFoundException e)
-        {
-            // during lazy initialization
-            return null;
-        }
-        catch (HibernateObjectRetrievalFailureException e)
-        {
-            // during load
-            if (e.getCause() instanceof ObjectNotFoundException)
-            {
-                return null;
-            }
-            throw e;
-        }
-        return result;
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#saveOrUpdate(null)
-     */
-    public void saveOrUpdate(final T obj)
-    {
-        getHibernateTemplate().saveOrUpdate(obj);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#update(null)
-     */
-    public void update(T obj)
-    {
-        getHibernateTemplate().update(obj);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#delete(null)
-     */
-    public boolean delete(final K key)
-    {
-
-        return (Boolean) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                ses.delete(ses.load(getReferenceClass(), key));
-                return true;
-            }
-        });
-
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#refresh(null)
-     */
-    public void refresh(T obj)
-    {
-        getHibernateTemplate().refresh(obj);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#merge(T)
-     */
-    public T merge(final T obj)
-    {
-        return (T) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                return ses.merge(obj);
-            }
-        });
-
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#save(java.lang.Object)
-     */
-    public K save(T obj)
-    {
-        return (K) getHibernateTemplate().save(obj);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFilteredFirst(T)
-     */
-    public T findFilteredFirst(final T filter)
-    {
-        return getFirstInCollection(findFiltered(filter, 1, 0));
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(T)
-     */
-    public List<T> findFiltered(final T filter)
-    {
-        return findFiltered(filter, new HashMap<String, FilterMetadata>(0));
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(java.lang.Object, org.hibernate.criterion.Order[])
-     */
-    public List<T> findFiltered(T filter, Order[] orderProperties)
-    {
-        return findFiltered(filter, orderProperties, new HashMap<String, FilterMetadata>(0), Integer.MAX_VALUE, 0);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(T)
-     */
-    public List<T> findFiltered(final T filter, final Map<String, FilterMetadata> metadata)
-    {
-        return findFiltered(filter, metadata, Integer.MAX_VALUE, 0);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
-     */
-    public List<T> findFiltered(final T filter, final int maxResults, final int page)
-    {
-        return findFiltered(filter, new HashMap<String, FilterMetadata>(0), maxResults, page);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
-     */
-    public List<T> findFiltered(final T filter, final Map<String, FilterMetadata> metadata, final int maxResults,
-        final int page)
-    {
-        return findFiltered(filter, null, metadata, maxResults, page);
-    }
-
-    /**
-     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
-     */
-    public List<T> findFiltered(final T filter, final Order[] customOrder, final Map<String, FilterMetadata> metadata,
-        final int maxResults, final int page)
-    {
-        final Order[] orderProperties = customOrder != null && customOrder.length > 0 ? customOrder : this
-            .getDefaultOrder();
-
-        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                Criteria crit = ses.createCriteria(filter.getClass());
-                crit.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
-                crit.setMaxResults(maxResults);
-                crit.setFirstResult(maxResults * page);
-
-                if (null != orderProperties && orderProperties.length > 0)
-                {
-                    for (Order order : orderProperties)
-                    {
-                        if (order != null)
-                        {
-                            crit.addOrder(order);
-                        }
-                    }
-                }
-
-                EnhancedExample.create(crit, filter, metadata);
-
-                return crit.list();
-            }
-        });
-    }
-
-    /**
-     * Return the specific Object class that will be used for class-specific implementation of this DAO.
-     * @return the reference Class
-     */
-    protected abstract Class<T> getReferenceClass();
-
-    /**
-     * Return a list of <code>Order</code> object to be used for the default ordering of the collection.
-     * @return the property name
-     */
-    protected Order[] getDefaultOrder()
-    {
-        return new Order[0];
-    }
-
-    /**
-     * Obtain an instance of Query for a named query string defined in the mapping file.
-     * @param name the name of a query defined externally
-     * @return Query
-     */
-    protected List< ? > getNamedQuery(final String name, final int marResults)
-    {
-        return (List< ? >) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                Query q = ses.getNamedQuery(name);
-                q.setMaxResults(marResults);
-                return q.list();
-            }
-        });
-    }
-
-    /**
-     * Obtain an instance of Query for a named query string defined in the mapping file. Use the parameters given.
-     * @param name the name of a query defined externally
-     * @param params the parameter array
-     * @return Query
-     */
-    protected List< ? > getNamedQuery(final String name, final Serializable[] params, final int marResults)
-    {
-
-        return (List< ? >) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                Query q = ses.getNamedQuery(name);
-                q.setMaxResults(marResults);
-                if (null != params)
-                {
-                    for (int i = 0; i < params.length; i++)
-                    {
-                        q.setParameter(i, params[i]);
-                    }
-                }
-                return q.list();
-            }
-        });
-    }
-
-    /**
-     * Obtain an instance of Query for a named query string defined in the mapping file. Use the parameters given.
-     * @param name the name of a query defined externally
-     * @param params the parameter Map
-     * @return Query
-     */
-    protected List< ? > getNamedQuery(final String name, final Map params, final int marResults)
-    {
-        return (List< ? >) getHibernateTemplate().execute(new HibernateCallback()
-        {
-
-            public Object doInHibernate(Session ses) throws HibernateException
-            {
-                Query q = ses.getNamedQuery(name);
-                q.setMaxResults(marResults);
-                if (params != null)
-                {
-                    for (Iterator i = params.entrySet().iterator(); i.hasNext();)
-                    {
-                        Map.Entry entry = (Map.Entry) i.next();
-                        setParameterValue(q, (String) entry.getKey(), entry.getValue());
-                    }
-                }
-                return q.list();
-            }
-        });
-    }
-
-    /**
-     * Convenience method to set paramers in the query given based on the actual object type in passed in as the value.
-     * You may need to add more functionaly to this as desired (or not use this at all).
-     * @param query the Query to set
-     * @param key the key name
-     * @param value the object to set as the parameter
-     */
-    protected void setParameterValue(Query query, String key, Object value)
-    {
-        if (null == key || null == value)
-        {
-            return;
-        }
-        query.setParameter(key, value);
-    }
-
-    /**
-     * Returns the first object in the collection or null if the collection is null or empty.
-     * @param list collection
-     * @return first element in the list
-     */
-    private T getFirstInCollection(Collection<T> list)
-    {
-        if (list != null && !list.isEmpty())
-        {
-            Object result = list.iterator().next();
-            Hibernate.initialize(result);
-            return (T) result;
-        }
-        return null;
-    }
-
-}
\ No newline at end of file

Copied: tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java (from rev 84, trunk/openutils-bshd5/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java)
===================================================================
--- tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	                        (rev 0)
+++ tags/openutils-bshd5-1.0.2/src/main/java/it/openutils/dao/hibernate/HibernateDAOImpl.java	2006-10-18 12:30:41 UTC (rev 93)
@@ -0,0 +1,428 @@
+package it.openutils.dao.hibernate;
+
+import it.openutils.hibernate.example.EnhancedExample;
+import it.openutils.hibernate.example.FilterMetadata;
+
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.hibernate.Criteria;
+import org.hibernate.Hibernate;
+import org.hibernate.HibernateException;
+import org.hibernate.ObjectNotFoundException;
+import org.hibernate.Query;
+import org.hibernate.Session;
+import org.hibernate.criterion.CriteriaSpecification;
+import org.hibernate.criterion.Order;
+import org.hibernate.type.Type;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.orm.hibernate3.HibernateCallback;
+import org.springframework.orm.hibernate3.HibernateObjectRetrievalFailureException;
+import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
+
+
+/**
+ * Base Hibernate DAO.
+ * @author Fabrizio Giustina
+ * @version $Id$
+ */
+public abstract class HibernateDAOImpl<T extends Object, K extends Serializable> extends HibernateDaoSupport
+    implements
+    HibernateDAO<T, K>
+{
+
+    /**
+     * Logger.
+     */
+    private static Logger log = LoggerFactory.getLogger(HibernateDAOImpl.class);
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#find(java.lang.String)
+     */
+    @SuppressWarnings("unchecked")
+    public List<T> find(String query)
+    {
+        return getHibernateTemplate().find(query);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findAll()
+     */
+    public List<T> findAll()
+    {
+        return findAll(getDefaultOrder());
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findAll(org.hibernate.criterion.Order[])
+     */
+    @SuppressWarnings("unchecked")
+    public List<T> findAll(final Order[] orderProperties)
+    {
+
+        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                Criteria crit = ses.createCriteria(getReferenceClass());
+                if (null != orderProperties)
+                {
+                    for (int j = 0; j < orderProperties.length; j++)
+                    {
+                        crit.addOrder(orderProperties[j]);
+                    }
+
+                }
+                return crit.list();
+            }
+        });
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#find(java.lang.String, java.lang.Object, org.hibernate.type.Type)
+     */
+    public List<T> find(String query, Object obj, Type type)
+    {
+        return find(query, new Object[]{obj}, new Type[]{type});
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#find(String, Object[], Type[])
+     */
+    @SuppressWarnings("unchecked")
+    public List<T> find(final String query, final Object[] obj, final Type[] type)
+    {
+        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                // hibernate 3
+                return ses.createQuery(query).setParameters(obj, type).list();
+            }
+        });
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#load(java.io.Serializable)
+     */
+    @SuppressWarnings("unchecked")
+    public T load(K key)
+    {
+        T result = (T) getHibernateTemplate().load(getReferenceClass(), key);
+        Hibernate.initialize(result);
+        return result;
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#load(java.io.Serializable)
+     */
+    @SuppressWarnings("unchecked")
+    public T loadIfAvailable(K key)
+    {
+        T result;
+        try
+        {
+            result = (T) getHibernateTemplate().load(getReferenceClass(), key);
+            Hibernate.initialize(result);
+        }
+        catch (ObjectNotFoundException e)
+        {
+            // during lazy initialization
+            return null;
+        }
+        catch (HibernateObjectRetrievalFailureException e)
+        {
+            // during load
+            if (e.getCause() instanceof ObjectNotFoundException)
+            {
+                return null;
+            }
+            throw e;
+        }
+        return result;
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#saveOrUpdate(null)
+     */
+    public void saveOrUpdate(final T obj)
+    {
+        getHibernateTemplate().saveOrUpdate(obj);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#update(null)
+     */
+    public void update(T obj)
+    {
+        getHibernateTemplate().update(obj);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#delete(null)
+     */
+    public boolean delete(final K key)
+    {
+
+        return (Boolean) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                ses.delete(ses.load(getReferenceClass(), key));
+                return true;
+            }
+        });
+
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#refresh(null)
+     */
+    public void refresh(T obj)
+    {
+        getHibernateTemplate().refresh(obj);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#merge(T)
+     */
+    @SuppressWarnings("unchecked")
+    public T merge(final T obj)
+    {
+        return (T) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                return ses.merge(obj);
+            }
+        });
+
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#save(java.lang.Object)
+     */
+    @SuppressWarnings("unchecked")
+    public K save(T obj)
+    {
+        return (K) getHibernateTemplate().save(obj);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFilteredFirst(T)
+     */
+    public T findFilteredFirst(final T filter)
+    {
+        return getFirstInCollection(findFiltered(filter, 1, 0));
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(T)
+     */
+    public List<T> findFiltered(final T filter)
+    {
+        return findFiltered(filter, new HashMap<String, FilterMetadata>(0));
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(java.lang.Object, org.hibernate.criterion.Order[])
+     */
+    public List<T> findFiltered(T filter, Order[] orderProperties)
+    {
+        return findFiltered(filter, orderProperties, new HashMap<String, FilterMetadata>(0), Integer.MAX_VALUE, 0);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(T)
+     */
+    public List<T> findFiltered(final T filter, final Map<String, FilterMetadata> metadata)
+    {
+        return findFiltered(filter, metadata, Integer.MAX_VALUE, 0);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
+     */
+    public List<T> findFiltered(final T filter, final int maxResults, final int page)
+    {
+        return findFiltered(filter, new HashMap<String, FilterMetadata>(0), maxResults, page);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
+     */
+    public List<T> findFiltered(final T filter, final Map<String, FilterMetadata> metadata, final int maxResults,
+        final int page)
+    {
+        return findFiltered(filter, null, metadata, maxResults, page);
+    }
+
+    /**
+     * @see it.openutils.dao.hibernate.HibernateDAO#findFiltered(null, int, int)
+     */
+    @SuppressWarnings("unchecked")
+    public List<T> findFiltered(final T filter, final Order[] customOrder, final Map<String, FilterMetadata> metadata,
+        final int maxResults, final int page)
+    {
+        final Order[] orderProperties = customOrder != null && customOrder.length > 0 ? customOrder : this
+            .getDefaultOrder();
+
+        return (List<T>) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                Criteria crit = ses.createCriteria(filter.getClass());
+                crit.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
+                crit.setMaxResults(maxResults);
+                crit.setFirstResult(maxResults * page);
+
+                if (null != orderProperties && orderProperties.length > 0)
+                {
+                    for (Order order : orderProperties)
+                    {
+                        if (order != null)
+                        {
+                            crit.addOrder(order);
+                        }
+                    }
+                }
+
+                EnhancedExample.create(crit, filter, metadata);
+
+                return crit.list();
+            }
+        });
+    }
+
+    /**
+     * Return the specific Object class that will be used for class-specific implementation of this DAO.
+     * @return the reference Class
+     */
+    protected abstract Class<T> getReferenceClass();
+
+    /**
+     * Return a list of <code>Order</code> object to be used for the default ordering of the collection.
+     * @return the property name
+     */
+    protected Order[] getDefaultOrder()
+    {
+        return new Order[0];
+    }
+
+    /**
+     * Obtain an instance of Query for a named query string defined in the mapping file.
+     * @param name the name of a query defined externally
+     * @return Query
+     */
+    protected List< ? > getNamedQuery(final String name, final int marResults)
+    {
+        return (List< ? >) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                Query q = ses.getNamedQuery(name);
+                q.setMaxResults(marResults);
+                return q.list();
+            }
+        });
+    }
+
+    /**
+     * Obtain an instance of Query for a named query string defined in the mapping file. Use the parameters given.
+     * @param name the name of a query defined externally
+     * @param params the parameter array
+     * @return Query
+     */
+    protected List< ? > getNamedQuery(final String name, final Serializable[] params, final int marResults)
+    {
+
+        return (List< ? >) getHibernateTemplate().execute(new HibernateCallback()
+        {
+
+            public Object doInHibernate(Session ses) throws HibernateException
+            {
+                Query q = ...
 
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