DomainDao.java

/*
 * Copyright 2012 Nick Stuart
 * 
 * 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 com.bittheory.business;

import com.bittheory.domain.Base;
import javax.ejb.Stateless;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 *
 * @author nick
 */
@Stateless
@TransactionAttribute(TransactionAttributeType.MANDATORY)
public class DomainDao<T extends Base> {
    
    @PersistenceContext
    private EntityManager entityManager;
    
    public void create(T object){
        entityManager.persist(object);
    }
    
    public T load(Class<T> type, long id){
        return entityManager.find(type, id);
    }
    
}