1using System;
 2using System.Linq.Expressions;
 3
 4namespace MoMoney.boot.container.registration.mapping
 5{
 6    public class MappingStepFactory : IMappingStepFactory
 7    {
 8        readonly ITargetActionFactory target_action_factory;
 9
10        public MappingStepFactory() : this(new TargetActionFactory())
11        {
12        }
13
14        public MappingStepFactory(ITargetActionFactory target_action_factory)
15        {
16            this.target_action_factory = target_action_factory;
17        }
18
19        public IMappingStep<Source, Destination> create_mapping_step_for<Source, Destination, PropertyType>(
20            Expression<Func<Source, PropertyType>> source_expression,
21            Expression<Func<Destination, PropertyType>> destination_expression)
22        {
23            var source_evaluator = new ExpressionSourceEvaluator<Source, PropertyType>(source_expression);
24
25            var target_action = target_action_factory.create_action_target_from(destination_expression);
26
27            return new MappingStep<Source, Destination, PropertyType>(source_evaluator, target_action);
28        }
29    }
30}