GenericDAOImpl.java

package net.techreadiness.persistence.dao;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.springframework.stereotype.Repository;

@Repository
public class GenericDAOImpl implements GenericDAO {

	@PersistenceContext
	protected EntityManager em;

	public void setEntityManager(EntityManager em) {
		this.em = em;
	}

	@Override
	public <T> T find(Class<T> entityClass, Object primaryKey) {
		return em.find(entityClass, primaryKey);
	}
}