/// <summary>
/// Returns an instance of the <paramref name="type" /> on which the method is invoked.
/// </summary>
/// <typeparam name="TArg1">The type of the first argument to pass to the constructor.</typeparam>
/// <typeparam name="TArg2">The type of the second argument to pass to the constructor.</typeparam>
/// <typeparam name="TArg3">The type of the third argument to pass to the constructor.</typeparam>
/// <param name="type">The type on which the method was invoked.</param>
/// <param name="argument1">The first argument to pass to the constructor.</param>
/// <param name="argument2">The second argument to pass to the constructor.</param>
/// <param name="argument3">The third argument to pass to the constructor.</param>
/// <returns>An instance of the given <paramref name="type" />.</returns>
public static object GetInstance <TArg1, TArg2, TArg3>(
this Type type,
TArg1 argument1,
TArg2 argument2,
TArg3 argument3)
{
return(InstanceCreationFactory <TArg1, TArg2, TArg3> .CreateInstanceOf(type, argument1, argument2, argument3));
}
public void InstanceCreationFactoryCreatesTypeWithNoParameters()
{
object o = InstanceCreationFactory.GetInstance(typeof(TestClass));
TestClass result = o as TestClass;
Assert.IsNotNull(result);
}
public void InstanceCreationFactoryCreatesTypeWithOneParameter()
{
object o = InstanceCreationFactory.GetInstance(typeof(TestClass), 1);
TestClass result = o as TestClass;
Assert.IsNotNull(result);
Assert.AreEqual(1, result.A);
}
public void InstanceCreationFactoryCreatesTypeWithMultipleConstructorMethods()
{
InstanceCreationFactory.GetInstance(typeof(TestClass));
InstanceCreationFactory.GetInstance(typeof(TestClass), 1);
InstanceCreationFactory.GetInstance(typeof(TestClass), 1, 2);
InstanceCreationFactory.GetInstance(typeof(TestClass), 1, 2, 3);
var result1 = InstanceCreationFactory.GetInstance(typeof(TestClass)) as TestClass;
var result2 = InstanceCreationFactory.GetInstance(typeof(TestClass), 1) as TestClass;
var result3 = InstanceCreationFactory.GetInstance(typeof(TestClass), 1, 2) as TestClass;
var result4 = InstanceCreationFactory.GetInstance(typeof(TestClass), 1, 2, 3) as TestClass;
Assert.IsNotNull(result1);
Assert.IsNotNull(result2);
Assert.IsNotNull(result3);
Assert.IsNotNull(result4);
}
/// <summary>
/// 获取3个构造参数的实例
/// </summary>
/// <typeparam name="TArg1">参数类型</typeparam>
/// <typeparam name="TArg2">参数类型</typeparam>
/// <typeparam name="TArg3">参数类型</typeparam>
/// <typeparam name="T"></typeparam>
/// <param name="type">实例类型</param>
/// <param name="argument1">参数值</param>
/// <param name="argument2">参数值</param>
/// <param name="argument3">参数值</param>
/// <returns></returns>
public static T GetInstance <TArg1, TArg2, TArg3, T>(string type, TArg1 argument1, TArg2 argument2, TArg3 argument3) where T : class, new()
{
return(InstanceCreationFactory <TArg1, TArg2, TArg3, T> .CreateInstanceOf(Type.GetType(type), argument1, argument2, argument3));
}
/// <summary>
/// 获取3个构造参数的实例
/// </summary>
/// <typeparam name="TArg1">参数类型</typeparam>
/// <typeparam name="TArg2">参数类型</typeparam>
/// <typeparam name="TArg3">参数类型</typeparam>
/// <param name="type">实例类型</param>
/// <param name="argument1">参数值</param>
/// <param name="argument2">参数值</param>
/// <param name="argument3">参数值</param>
/// <returns></returns>
public static object GetInstance <TArg1, TArg2, TArg3>(string type, TArg1 argument1, TArg2 argument2, TArg3 argument3)
{
return(InstanceCreationFactory <TArg1, TArg2, TArg3> .CreateInstanceOf(Type.GetType(type), argument1, argument2, argument3));
}
/// <summary>
/// Returns an instance of the <paramref name="type"/> on which the method is invoked.
/// </summary>
/// <typeparam name="TArg">The type of the argument to pass to the constructor.</typeparam>
/// <param name="type">The type on which the method was invoked.</param>
/// <param name="argument">The argument to pass to the constructor.</param>
/// <returns>An instance of the given <paramref name="type"/>.</returns>
public static object GetInstance <TArg>(this Type type, TArg argument)
{
return(InstanceCreationFactory <TArg> .CreateInstanceOf(type, argument));
}
public static object GetInstance <TArg1, TArg2, TArg3>(
this Type type, TArg1 argument1, TArg2 argument2, TArg3 argument3)
{
Contract.Requires <ArgumentNullException>(type != null);
return(InstanceCreationFactory <TArg1, TArg2, TArg3> .CreateInstanceOf(type, argument1, argument2, argument3));
}
