Schema changes and ID-based node storage

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2727 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/domain/hibernate/LifecycleAdapter.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the
+ * License.
+ */
+package org.alfresco.repo.domain.hibernate;
+
+import java.io.Serializable;
+
+import org.hibernate.CallbackException;
+import org.hibernate.Session;
+import org.hibernate.classic.Lifecycle;
+
+/**
+ * Helper base class providing lifecycle and other support
+ * 
+ * @author Derek Hulley
+ */
+public abstract class LifecycleAdapter implements Lifecycle
+{
+    /** Helper */
+    private Session session;
+    
+    /**
+     * @return Returns the session that this object was used in
+     */
+    protected Session getSession()
+    {
+        return session;
+    }
+
+    /**
+     * @return Returns NO_VETO always
+     */
+    public boolean onDelete(Session session) throws CallbackException
+    {
+        return NO_VETO;
+    }
+    
+    /** NO OP */
+    public void onLoad(Session session, Serializable id)
+    {
+        this.session = session;
+    }
+
+    /** @return Returns NO_VETO always */
+    public boolean onSave(Session session) throws CallbackException
+    {
+        this.session = session;
+        return NO_VETO;
+    }
+
+    /** @return Returns NO_VETO always */
+    public boolean onUpdate(Session session) throws CallbackException
+    {
+        this.session = session;
+        return NO_VETO;
+    }
+}