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A collection of classes shared by broadleaf profile, cms, admin, and core.

There is a newer version: 3.1.15-GA

/*
 * Copyright 2008-2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.broadleafcommerce.common.config.dao;

import org.broadleafcommerce.common.config.domain.SystemProperty;
import org.broadleafcommerce.common.persistence.EntityConfiguration;
import org.hibernate.ejb.QueryHints;
import org.springframework.stereotype.Repository;

import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.util.List;

/**
 * This DAO enables access to manage system properties that can be stored in the database.
 * 
 * User: Kelly Tisdell
 * Date: 6/20/12
 */
@Repository("blSystemPropertiesDao")
public class SystemPropertiesDaoImpl implements SystemPropertiesDao{

    @PersistenceContext(unitName="blPU")
    protected EntityManager em;

    @Resource(name="blEntityConfiguration")
    protected EntityConfiguration entityConfiguration;

    @Override
    public SystemProperty saveSystemProperty(SystemProperty systemProperty) {
        return em.merge(systemProperty);
    }

    @Override
    public void deleteSystemProperty(SystemProperty systemProperty) {
        em.remove(systemProperty);
    }

    @Override
    public List readAllSystemProperties() {
        Query query = em.createNamedQuery("BC_READ_ALL_SYSTEM_PROPERTIES");
        query.setHint(QueryHints.HINT_CACHEABLE, true);
        return query.getResultList();
    }

    @Override
    public SystemProperty readSystemPropertyByName(String name) {
        Query query = em.createNamedQuery("BC_READ_SYSTEM_PROPERTIES_BY_NAME");
        query.setParameter("propertyName", name);
        query.setHint(QueryHints.HINT_CACHEABLE, true);
        List props = query.getResultList();
        if (props != null && ! props.isEmpty()) {
            return props.get(0);
        }
        return null;
    }

    @Override
    public SystemProperty createNewSystemProperty() {
        return (SystemProperty)entityConfiguration.createEntityInstance(SystemProperty.class.getName());
    }
}