ex8_29.txt

来自「j2ee core design patterns」· 文本 代码 · 共 55 行

Example 8.29 	FactoryImpl Class
// FactoryImpl.java

package com.corej2eepatterns.business.impl;

import com.corej2eepatterns.business.hr.*;
import javax.jdo.PersistenceManager;

/**
 * @author  Craig Russell
 */
public class FactoryImpl implements Factory {
	PersistenceManager pm;

	/** Creates a new instance of FactoryImpl */
	public FactoryImpl(PersistenceManager pm) {
		this.pm = pm;
	}

	PersistenceManager getPersistenceManager() {
		return pm;
	}

	public Department createDepartment(String name) {
		return new DepartmentImpl(name);
	}

	public FullTimeEmployee createFullTimeEmployee(
			long id, String firstName, String lastName) {
		return new FullTimeEmployeeImpl(
				id, firstName, lastName);
	}

	public PartTimeEmployee createPartTimeEmployee(
			long id, String firstName, String lastName) {
		return new PartTimeEmployeeImpl(
				id, firstName, lastName);
	}

	public Project createProject(String name) {
		return new ProjectImpl(name);
	}

	public Queries getQueries() {
		return new QueriesImpl(this);
	}

	public void persistObjects(Object[] objects) {
		pm.makePersistentAll(objects);
	}

	public void persistObject(Object object) {
		pm.makePersistent(object);
	}
}