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A library of classes shared across the Eureka! Clinical platform.

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package org.eurekaclinical.standardapis.dao;

/*-
 * #%L
 * Eureka! Clinical Standard APIs
 * %%
 * Copyright (C) 2016 - 2017 Emory University
 * %%
 * 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.
 * #L%
 */

import java.util.Date;
import java.util.List;
import javax.inject.Provider;
import javax.persistence.EntityManager;
import org.eurekaclinical.standardapis.entity.HistoricalEntity;

/**
 *
 * @author Andrew Post
 * @param  the entity type.
 * @param  the primary key type.
 */
public class HistoricalGenericDao, PK> extends GenericDao {
    private final Class entityClass;

    public HistoricalGenericDao(Class inEntityClass, Provider inManagerProvider) {
        super(inEntityClass, inManagerProvider);
        this.entityClass = inEntityClass;
    }
    
    public List getCurrent() {
        return getDatabaseSupport().getCurrent(this.entityClass);
    }

    public E updateCurrent(E entity) {
        Date now = new Date();
        E oldEntity = retrieve(entity.getId());
        oldEntity.setExpiredAt(now);
        update(oldEntity);

        entity.setId(null);
        entity.setEffectiveAt(now);
        entity.setExpiredAt(null);
        entity.setCreatedAt(now);
        create(entity);

        return entity;

    }

}