SingletonOrderRepository.java

/*
 * Copyright 2012, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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.arquillian.example;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Singleton;

/**
 * @author <a href="http://community.jboss.org/people/dan.j.allen">Dan Allen</a>
 */
@Singleton
@Lock(LockType.READ)
public class SingletonOrderRepository implements OrderRepository {
    private List<List<String>> orders;
    
    @Override
    @Lock(LockType.WRITE)
    public void addOrder(List<String> order) {
        orders.add(order);
    }
    
    @Override
    public List<List<String>> getOrders() {
        return Collections.unmodifiableList(orders);
    }
    
    @Override
    public int getOrderCount() {
        return orders.size();
    }
    
    @PostConstruct
    void initialize() {
        orders = new ArrayList<List<String>>();
    }
}