Objectify setup for BaseDao<T>

BaseDao.java

package com.utilitiessavings.usavappv7.server.dao;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.inject.Inject;

import com.google.common.collect.Lists;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.cmd.Query;
import com.googlecode.objectify.cmd.QueryKeys;
import com.utilitiessavings.usavappv7.server.dao.objectify.Ofy;
import com.utilitiessavings.usavappv7.server.dao.objectify.OfyFactory;

public abstract class BaseDao<T>
{
	protected final Class<T> clazz;
	
	@Inject
	OfyFactory ofyFactory;
	
	private Ofy lazyOfy;
	
	protected Ofy ofy()
	{
		if(lazyOfy == null)
		{
			lazyOfy = ofyFactory.begin();
		}
		return lazyOfy;
	}
	
	protected BaseDao(final Class<T> clazz)
	{
		this.clazz = clazz;
	}
	
	// get
	public T get(Key<T> key)
	{
		return ofy().get(key);
	}
	
	public T get(String id)
	{
		return get(new Long(id));
	}
	
	public T get(Long id)
	{
		return ofy().get(clazz, id);
	}
	
	// etc etc
}

ObjectifyFactory.java

package com.utilitiessavings.usavappv7.server.dao.objectify;

import static com.utilitiessavings.usavappv7.server.dao.objectify.OfyService.factory;

import com.googlecode.objectify.ObjectifyFactory;

public class OfyFactory extends ObjectifyFactory
{
	public OfyFactory()
	{
	}
	
	@Override
	public Ofy begin()
	{
		return new Ofy(factory());
		// return new Ofy(this);
	}
}

Ofy.java

package com.utilitiessavings.usavappv7.server.dao.objectify;

import com.googlecode.objectify.Key;
import com.googlecode.objectify.Objectify;
import com.googlecode.objectify.ObjectifyFactory;
import com.googlecode.objectify.impl.ObjectifyImpl;

public class Ofy extends ObjectifyImpl<Objectify>
{
	public Ofy(ObjectifyFactory base)
	{
		super(base);
	}
	
	public <T> T get(Key<T> key)
	{
		return load().key(key).now();
	}
	
	public <T> T get(Class<T> clazz, long id)
	{
		return load().type(clazz).id(id).now();
	}
}

OfyService.java

package com.utilitiessavings.usavappv7.server.dao.objectify;

import com.googlecode.objectify.Objectify;
import com.googlecode.objectify.ObjectifyFactory;
import com.googlecode.objectify.ObjectifyService;
import com.utilitiessavings.usavappv7.server.domain.AccContact;
import com.utilitiessavings.usavappv7.server.domain.Account;
import com.utilitiessavings.usavappv7.server.domain.ActionRecord;
import com.utilitiessavings.usavappv7.server.domain.ActionRecordForParent;
import com.utilitiessavings.usavappv7.server.domain.ActionRecordForSupplier;
import com.utilitiessavings.usavappv7.server.domain.BlobFile;
import com.utilitiessavings.usavappv7.server.domain.Comment;
import com.utilitiessavings.usavappv7.server.domain.Contact;
import com.utilitiessavings.usavappv7.server.domain.Contract;
import com.utilitiessavings.usavappv7.server.domain.ElecContract;
import com.utilitiessavings.usavappv7.server.domain.ElecSupply;
import com.utilitiessavings.usavappv7.server.domain.ElecTariff;
import com.utilitiessavings.usavappv7.server.domain.ElecTariffBook;
import com.utilitiessavings.usavappv7.server.domain.GasSupply;
import com.utilitiessavings.usavappv7.server.domain.GasTariff;
import com.utilitiessavings.usavappv7.server.domain.GasTariffBook;
import com.utilitiessavings.usavappv7.server.domain.GoogleUser;
import com.utilitiessavings.usavappv7.server.domain.MtcGroup;
import com.utilitiessavings.usavappv7.server.domain.Offer;
import com.utilitiessavings.usavappv7.server.domain.PostcodeGroup;
import com.utilitiessavings.usavappv7.server.domain.Quote;
import com.utilitiessavings.usavappv7.server.domain.QuotePage;
import com.utilitiessavings.usavappv7.server.domain.Site;
import com.utilitiessavings.usavappv7.server.domain.SuppContact;
import com.utilitiessavings.usavappv7.server.domain.Supplier;
import com.utilitiessavings.usavappv7.server.domain.Supply;
import com.utilitiessavings.usavappv7.server.domain.Tariff;
import com.utilitiessavings.usavappv7.server.domain.TariffBook;
import com.utilitiessavings.usavappv7.shared.other.PerMwhCommission;
import com.utilitiessavings.usavappv7.shared.other.SinglePaymentCommission;
import com.utilitiessavings.usavappv7.shared.other.StandingChargeCommission;
import com.utilitiessavings.usavappv7.shared.other.UnitRateCommission;

public class OfyService
{
	static
	{
		factory().register(GoogleUser.class);
		factory().register(Supplier.class);
		factory().register(Account.class);
		factory().register(Site.class);
		
		// etc etc
	}
	
	public static Objectify ofy()
	{
		return ObjectifyService.ofy();
	}
	
	public static ObjectifyFactory factory()
	{
		return ObjectifyService.factory();
	}
}