org.mitre.openid.connect.repository.impl.JpaEventRepository.java Source code

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Here is the source code for org.mitre.openid.connect.repository.impl.JpaEventRepository.java

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/*******************************************************************************
 * Copyright 2012 The MITRE Corporation
 * 
 * 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.mitre.openid.connect.repository.impl;

import static org.mitre.util.jpa.JpaUtil.saveOrUpdate;

import java.util.Collection;
import java.util.Date;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.TemporalType;

import org.mitre.openid.connect.model.Event;
import org.mitre.openid.connect.repository.EventRepository;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

/**
 * JPA Event repository implementation
 * 
 * @author Michael Joseph Walsh
 * 
 */
@Repository
public class JpaEventRepository implements EventRepository {

    @PersistenceContext
    private EntityManager manager;

    @Override
    @Transactional
    public Event getById(Long id) {
        return manager.find(Event.class, id);
    }

    @SuppressWarnings("unchecked")
    @Override
    @Transactional
    public Collection<Event> getEventsDuringPeriod(Date start, Date end, int startChunk, int chunkSize) {

        Query query = manager.createQuery("SELECT e FROM Event e WHERE e.timestamp BETWEEN :start AND :end");

        query = query.setParameter("start", start, TemporalType.DATE);
        query = query.setParameter("end", end, TemporalType.DATE);
        query = query.setFirstResult(startChunk);
        query = query.setMaxResults(chunkSize);

        return query.getResultList();
    }

    @Override
    @Transactional
    public void remove(Event event) {
        Event found = manager.find(Event.class, event.getId());

        if (found != null) {
            manager.remove(event);
        } else {
            throw new IllegalArgumentException();
        }
    }

    @Override
    @Transactional
    public void removeById(Long id) {
        Event found = getById(id);

        manager.remove(found);
    }

    @Override
    @Transactional
    public Event save(Event event) {
        return saveOrUpdate(event.getId(), manager, event);
    }

}