JbillingTableDAS.java

/*
 jBilling - The Enterprise Open Source Billing System
 Copyright (C) 2003-2011 Enterprise jBilling Software Ltd. and Emiliano Conde

 This file is part of jbilling.

 jbilling is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 jbilling is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with jbilling.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.sapienter.jbilling.server.util.db;

import org.hibernate.criterion.Restrictions;

import com.sapienter.jbilling.common.SessionInternalError;
import org.apache.log4j.Logger;
import org.springmodules.cache.provider.CacheProviderFacade;
import org.springmodules.cache.CachingModel;

public class JbillingTableDAS extends AbstractDAS<JbillingTable> {

    private CacheProviderFacade cache;
    private CachingModel cacheModel;

    private static final Logger LOG = Logger.getLogger(JbillingTableDAS.class);

    protected JbillingTableDAS() {
        super();
    }

    // can not cache directly, CGLib can not proxy extenders of <> classes
    public JbillingTable findByName(String name) {
        JbillingTable table = (JbillingTable) cache.getFromCache("JbillingTable" + name, cacheModel);
        if (table == null) {
            LOG.debug("Looking for table + " + name);
            table = findByCriteriaSingle(Restrictions.eq("name", name));
            if (table == null) {
                throw new SessionInternalError("Can not find table " + name);
            } else {
                cache.putInCache("JbillingTable" + name, cacheModel, table);

            }
        }
        return table;
    }

    public void setCache(CacheProviderFacade cache) {
        this.cache = cache;
    }

    public void setCacheModel(CachingModel model) {
        cacheModel = model;
    }

    public static JbillingTableDAS getInstance() {
        return new JbillingTableDAS();
    }
}