1 /*

     2  * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:  

    15  *

    16  */

    17 package com.nokia.helium.metadata.fmpp;

    18 

    19 import javax.persistence.EntityManager;

    20 

    21 import freemarker.template.TemplateHashModel;

    22 import freemarker.template.TemplateModel;

    23 

    24 /**

    25  * Internal class to handle the sql query and returns the data in either

    26  * hash or sequence or containers.

    27  */

    28 class QueryTemplateModel implements TemplateHashModel {

    29 

    30     private EntityManager entityManager;

    31     

    32     private String queryMode;

    33     

    34     private String returnType;

    35     

    36     private TemplateModel resultObject;

    37     

    38     public QueryTemplateModel(EntityManager entityManager, String mode, String retType) {

    39         this.entityManager = entityManager;

    40         queryMode = mode;

    41         returnType = retType;

    42     }

    43 

    44     public TemplateModel get(String query) {

    45         if (queryMode.equals("jpasingle")) {

    46             resultObject = new ORMSequenceModel(entityManager, query);

    47         } else {

    48             resultObject = new ORMQueryModel(entityManager, query, queryMode, returnType); 

    49         }

    50         return resultObject;

    51     }

    52     

    53     public boolean isEmpty() {

    54         return false;

    55     }

    56 }