/// <summary>
/// Creates a <see cref="MethodCallExpression" /> using the given method.
/// </summary>
/// <param name="bindingInfo"> Information needed to create the expression. </param>
/// <returns> The expression tree. </returns>
public override Expression CreateConstructorExpression(ParameterBindingInfo bindingInfo)
{
var arguments = ParameterBindings.Select(b => b.BindToParameter(bindingInfo));
Expression expression
= _factoryInstance == null
? Expression.Call(
_factoryMethod,
arguments)
: Expression.Call(
Expression.Constant(_factoryInstance),
_factoryMethod,
arguments);
if (_factoryMethod.ReturnType != RuntimeType)
{
expression = Expression.Convert(expression, RuntimeType);
}
return(expression);
}
/// <summary>
/// Creates a <see cref="NewExpression" /> that represents creating an entity instance using the given
/// constructor.
/// </summary>
/// <param name="bindingInfo"> Information needed to create the expression. </param>
/// <returns> The expression tree. </returns>
public override Expression CreateConstructorExpression(ParameterBindingInfo bindingInfo)
=> Expression.New(
Constructor,
ParameterBindings.Select(b => b.BindToParameter(bindingInfo)));