--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buildframework/helium/sf/java/metadata/src/com/nokia/helium/metadata/model/metadata/SysdefComponentDAO.java	Fri Aug 13 14:59:05 2010 +0300
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:  
+ *
+ */
+package com.nokia.helium.metadata.model.metadata;
+
+import java.util.Hashtable;
+import java.util.Map;
+
+import javax.persistence.NoResultException;
+import javax.persistence.TypedQuery;
+
+import com.nokia.helium.metadata.JpaDAO;
+
+/**
+ * Implements DAO for the Component.
+ * Contains all helpers related to Component manipulation.
+ *
+ */
+public class SysdefComponentDAO extends JpaDAO<SysdefComponent> {
+
+    /**
+     * Get a map of components rows based on the component name.
+     * @return a map of (componentName, component).
+     */
+    public Map<String, SysdefComponent> getComponents() {
+        Map<String, SysdefComponent> result = new Hashtable<String, SysdefComponent>();
+        for (SysdefComponent component : this.getEntityManager().createQuery("SELECT c from SysdefComponent c", SysdefComponent.class).getResultList()) {
+            result.put(component.getComponentId(), component);
+        }
+        return result;
+    }
+
+    /**
+     * Get a component based on its model Id.
+     * @param id
+     * @return the entity representing the component of null if not found.
+     */
+    public SysdefComponent getComponentById(String id) {
+        TypedQuery<SysdefComponent> query = this.getEntityManager().createQuery("SELECT c from SysdefComponent c where c.componentId=?1", SysdefComponent.class);
+        query.setParameter(1, id);
+        try {
+            return query.getSingleResult();
+        } catch (NoResultException ex) {
+            return null;
+        }
+    }
+}