public static Expression <Func <complex_type_entity, ComplexType> > CreateExpression()
{
var expr = SimpleType.CreateExpression();
return(arg => new ComplexType
{
Id = arg.id,
Property1 = expr.Compile()(arg.property1),
Property2 = expr.Compile()(arg.property2)
});
}
public static Expression <Func <complex_type_entity, ComplexType> > CreateExpression()
{
var parameterExp = Expression.Parameter(typeof(complex_type_entity), "p0");
return(Expression.Lambda <Func <complex_type_entity, ComplexType> >(
Expression.MemberInit(
Expression.New(typeof(ComplexType)),
Expression.Bind(typeof(ComplexType).GetProperty("Id"), Expression.Property(parameterExp, "id")),
Expression.Bind(typeof(ComplexType).GetProperty("Property1"), SimpleType.CreateExpression(Expression.Property(parameterExp, "simple_type_entity"))),
Expression.Bind(typeof(ComplexType).GetProperty("Property2"), SimpleType.CreateExpression(Expression.Property(parameterExp, "simple_type_entity1")))),
parameterExp));
}
private static Expression CreateNewSimpleTypeExpression(ParameterExpression parameterExp, string simpleTypeProperty)
{
var simpleTypeExpr = (MemberInitExpression)SimpleType.CreateExpression().Body;
MemberBinding[] bindings = new MemberBinding[simpleTypeExpr.Bindings.Count];
for (int i = 0; i < bindings.Length; i++)
{
var oriBinding = simpleTypeExpr.Bindings[i];
var memberName = ((MemberExpression)((MemberAssignment)oriBinding).Expression).Member.Name;
bindings[i] = Expression.Bind(oriBinding.Member, Expression.Property(Expression.Property(parameterExp, simpleTypeProperty), memberName));
}
return(Expression.MemberInit(simpleTypeExpr.NewExpression, bindings));
}