Remove duplicated and obsolete interceptor documentation

Author: fredericDelaporte

doc/reference/modules/manipulating_data.xml

@@ -1186,113 +1186,9 @@ finally
             The <literal>IInterceptor</literal> interface provides callbacks from the session to the 
             application allowing the application to inspect and / or manipulate properties of a 
             persistent object before it is saved, updated, deleted or loaded. One 
-            possible use for this is to track auditing information. For example, the following 
-            <literal>IInterceptor</literal> automatically sets the  <literal>CreateTimestamp</literal> 
-            when an <literal>IAuditable</literal> is created and updates the 
-            <literal>LastUpdateTimestamp</literal> property when an <literal>IAuditable</literal> is 
-            updated.
+            possible use for this is to track auditing information. See
+            <xref linkend="objectstate-interceptors"/> for more information.
         </para>
-
-        <programlisting><![CDATA[using System;
-using NHibernate.Type;
-
-namespace NHibernate.Test
-{
-    [Serializable]
-    public class AuditInterceptor : IInterceptor
-    {
-    
-        private int updates;
-        private int creates;
-    
-        public void OnDelete(object entity,
-                             object id,
-                             object[] state,
-                             string[] propertyNames,
-                             IType[] types)
-        {
-            // do nothing
-        }
-    
-        public boolean OnFlushDirty(object entity, 
-                                    object id, 
-                                    object[] currentState,
-                                    object[] previousState,
-                                    string[] propertyNames,
-                                    IType[] types) {
-    
-            if ( entity is IAuditable )
-            {
-                updates++;
-                for ( int i=0; i < propertyNames.Length; i++ )
-                {
-                    if ( "LastUpdateTimestamp" == propertyNames[i] )
-                    {
-                        currentState[i] = DateTime.Now;
-                        return true;
-                    }
-                }
-            }
-            return false;
-        }
-    
-        public boolean OnLoad(object entity, 
-                              object id,
-                              object[] state,
-                              string[] propertyNames,
-                              IType[] types)
-        {
-            return false;
-        }
-    
-        public boolean OnSave(object entity,
-                              object id,
-                              object[] state,
-                              string[] propertyNames,
-                              IType[] types)
-        {
-            if ( entity is IAuditable )
-            {
-                creates++;
-                for ( int i=0; i<propertyNames.Length; i++ )
-                {
-                    if ( "CreateTimestamp" == propertyNames[i] )
-                    {
-                        state[i] = DateTime.Now;
-                        return true;
-                    }
-                }
-            }
-            return false;
-        }
-    
-        public void PostFlush(ICollection entities)
-        {
-            Console.Out.WriteLine("Creations: {0}, Updates: {1}", creates, updates);
-        }
-    
-        public void PreFlush(ICollection entities) {
-            updates=0;
-            creates=0;
-        }
-        
-        ......
-        ......
-    }
-}]]></programlisting>
-
-        <para>
-            The interceptor would be specified when a session is created.
-        </para>
-
-        <programlisting><![CDATA[ISession session = sf.OpenSession( new AuditInterceptor() );]]></programlisting>
-
-        <para>
-            You may also set an interceptor on a global level, using the <literal>Configuration</literal>:
-        </para>
-
-        <programlisting><![CDATA[new Configuration().SetInterceptor( new AuditInterceptor() );]]></programlisting>
-    
     </sect1>
 
     <sect1 id="manipulatingdata-metadata">