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package org.jlot.hibernate.repository;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

import org.jlot.hibernate.orm.PersistableEntity;
import org.jlot.hibernate.repository.api.EntityRepository;

public abstract class EntityRepositoryHibernate extends RepositoryHibernate implements EntityRepository
{
	@Override
	@SuppressWarnings("unchecked")
	public T load ( Integer id )
	{
		return (T) getSession().load(getGenericClass(), id);
	}

	@SuppressWarnings("unchecked")
	protected Class getGenericClass ( )
	{
		Class result = null;
		Type type = this.getClass().getGenericSuperclass();

		if (type instanceof ParameterizedType)
		{
			ParameterizedType pt = (ParameterizedType) type;
			Type[] fieldArgTypes = pt.getActualTypeArguments();
			result = (Class) fieldArgTypes[0];
		}
		return result;
	}
}