public static void Main()
{
// DependencyManagerからIPeopleの実体を取得する。
IPeople people = DependencyManager.Resolve();
people.SayHello();
}
public static void Test()
{
#region instance from service
/// we can take place it with config settings, need add IOC.Service.Teacher and IOC.Service.Student
Console.WriteLine("************New instance of Teacher***************");
{
Teacher teacher = new Teacher();
Console.WriteLine($"teacher leg == null?{teacher.Leg == null}");
Console.WriteLine($"teacher hand == null?{teacher.Hand == null}");
}
Console.WriteLine("****************Teacher unity instance***************");
{
IUnityContainer container = new UnityContainer();
container.RegisterType <IPeople, Teacher>();
container.RegisterType <ILeg, Leg>();
container.RegisterType <IHand, Hand>();
IPeople teacher2 = container.Resolve <IPeople>();
teacher2.SayHello();
Console.WriteLine($"teacher2 ==null?{teacher2 == null}");
Console.WriteLine($"teacher2 leg == null?{teacher2.Leg == null}");
Console.WriteLine($"teacher2 hand == null?{teacher2.Hand == null}");
}
Console.WriteLine("****************Student unity instance***************");
{
IUnityContainer container = new UnityContainer();
container.RegisterType <IPeople, Student>();
container.RegisterType <ILeg, Leg>();
container.RegisterType <IHand, Hand>();
IPeople student = container.Resolve <IPeople>();
student.SayHello();
Console.WriteLine($"teacher2 ==null?{student == null}");
Console.WriteLine($"teacher2 leg == null?{student.Leg == null}");
Console.WriteLine($"teacher2 hand == null?{student.Hand == null}");
}
Console.WriteLine("**************** unity container lifetime***************");
{
IUnityContainer container = new UnityContainer();
//container.RegisterType<IPeople, Student>(new TransientLifetimeManager());// default transient lifetime, create new instance everytime
//container.RegisterType<IPeople, Student>(new ContainerControlledLifetimeManager());// container singleton
container.RegisterType <IPeople, Student>(new PerThreadLifetimeManager());
IPeople student = container.Resolve <IPeople>();
IPeople student2 = container.Resolve <IPeople>();
Console.WriteLine($"student == student2?{object.ReferenceEquals(student, student2)}");
IPeople stu1 = null;
Action action1 = () =>
{
stu1 = container.Resolve <IPeople>();
Console.WriteLine($"stu1 is created by Thread:{Thread.CurrentThread.ManagedThreadId.ToString()}");
};
var act1result = action1.BeginInvoke(null, null);
IPeople stu2 = null;
Action action2 = () =>
{
stu2 = container.Resolve <IPeople>();
Console.WriteLine($"stu2 is created by Thread:{Thread.CurrentThread.ManagedThreadId.ToString()}");
};
IPeople stu3 = null;
var act2result = action2.BeginInvoke(x =>
{
stu3 = container.Resolve <IPeople>();
Console.WriteLine($"stu3 is created by Thread:{Thread.CurrentThread.ManagedThreadId.ToString()}");
Console.WriteLine($"stu2==stu3?{object.ReferenceEquals(stu2, stu3)}");
}, null);
Console.WriteLine($"stu2==stu3?{object.ReferenceEquals(stu2, stu3)}");
action1.EndInvoke(act1result);
action2.EndInvoke(act2result);
Console.WriteLine($"stu1==stu2?{object.ReferenceEquals(stu1, stu2)}");
}
#endregion instance from service
#region instance from unity config settings
/// we can remove service, it dependent with interface rather than concrete layer
Console.WriteLine("************Unity container by config file************");
{
ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap();
fileMap.ExeConfigFilename = Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "ConfigFiles\\Unity.config");
Configuration configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
UnityConfigurationSection section = (UnityConfigurationSection)configuration.GetSection(UnityConfigurationSection.SectionName);
IUnityContainer container = new UnityContainer();
section.Configure(container, "container");
IPeople people = container.Resolve <IPeople>();
people.SayHello();
IPeople people1 = container.Resolve <IPeople>("student"); // One more instance to impement a interface
// use name to distinguish them
// The name is given in unity config settings
people1.SayHello();
}
#endregion instance from unity config settings
}