/*
    * Copyright 2006-2007 the original author or authors.
    *
    * 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.springframework.batch.sample.domain.person;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.springframework.batch.item.ItemReader;
  import org.springframework.batch.item.ItemWriter;
  import org.springframework.batch.sample.domain.order.Address;
  
  /**
   * Custom class that contains logic that would normally be be contained in
   * {@link ItemReader} and {@link ItemWriter}.
   * 
   * @author tomas.slanina
   * @author Robert Kasanicky
   */
  public class PersonService {
  
  	private static final int GENERATION_LIMIT = 10;
  
  	private int generatedCounter = 0;
  
  	private int processedCounter = 0;
  
  	public Person getData() {
  		if (generatedCounter >= GENERATION_LIMIT)
  			return null;
  
  		Person person = new Person();
  		Address address = new Address();
  		Child child = new Child();
  		List<Child> children = new ArrayList<Child>(1);
  
  		children.add(child);
  
  		person.setFirstName("John" + generatedCounter);
  		person.setAge(20 + generatedCounter);
  		address.setCity("Johnsville" + generatedCounter);
  		child.setName("Little Johny" + generatedCounter);
  
  		person.setAddress(address);
  		person.setChildren(children);
  
  		generatedCounter++;
  
  		return person;
  	}
  
  	/*
  	 * Badly designed method signature which accepts multiple implicitly related
  	 * arguments instead of a single Person argument.
  	 */
  	public void processPerson(String name, String city) {
  		processedCounter++;
  	}
  
  	public int getReturnedCount() {
  		return generatedCounter;
  	}
  
  	public int getReceivedCount() {
  		return processedCounter;
  	}
  }