/*

 * 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.fmpp;

import javax.persistence.EntityManager;

import freemarker.template.TemplateHashModel;

import freemarker.template.TemplateModel;

/**

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

 * hash or sequence or containers.

 */

class QueryTemplateModel implements TemplateHashModel {

    private EntityManager entityManager;

    private String queryMode;

    private String returnType;

    private TemplateModel resultObject;

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

        this.entityManager = entityManager;

        queryMode = mode;

        returnType = retType;

    }

    public TemplateModel get(String query) {

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

            resultObject = new ORMSequenceModel(entityManager, query);

        } else {

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

        }

        return resultObject;

    }

    public boolean isEmpty() {

        return false;

    }

}