Esempio n. 1
0
        /// <summary>
        ///     Update projection that matches a key or insert a new projection when no matching projection found by a provided
        ///     value.
        /// </summary>
        /// <typeparam name="TMessage">A message type</typeparam>
        /// <typeparam name="TProjection">A projection type</typeparam>
        /// <typeparam name="TValue">A type of projection property</typeparam>
        /// <param name="source">An argument builder that contains resulting mapper</param>
        /// <param name="projectionProperty">An expression that identifies a projection property</param>
        /// <param name="value"></param>
        /// <returns>An argument builder that contains resulting filter</returns>
        public static SaveProjectionStrategyArguments <TMessage, TProjection> WithKey <TMessage, TProjection, TValue>(
            this SaveProjectionStrategyArguments <TMessage, TProjection> source,
            Expression <Func <TProjection, TValue> > projectionProperty,
            TValue value)
        {
            Action <TProjection, TValue>   action = ReflectionHelpers.CreateSetOperation(projectionProperty);
            Mapper <TMessage, TProjection> mapper = Mapper <TMessage, TProjection> .Create((e, p) => action(p, value));

            Filter <TMessage> filter = Filter <TMessage> .Create(projectionProperty, value);

            Key <TMessage, TProjection> key = Key <TMessage, TProjection> .Create(filter, mapper);

            source.Register(key);
            return(source);
        }
Esempio n. 2
0
        /// <summary>
        ///     Update projection that matches a key or insert a new projection when no matching projection found by a property
        ///     from a message with the same name as in a projection.
        /// </summary>
        /// <typeparam name="TMessage">A message type</typeparam>
        /// <typeparam name="TProjection">A projection type</typeparam>
        /// <typeparam name="TValue">A type of projection property</typeparam>
        /// <param name="source">An argument builder that contains resulting mapper</param>
        /// <param name="projectionProperty">An expression that identifies a projection property</param>
        /// <returns>An argument builder that contains resulting filter</returns>
        public static SaveProjectionStrategyArguments <TMessage, TProjection> WithKey <TMessage, TProjection, TValue>(
            this SaveProjectionStrategyArguments <TMessage, TProjection> source,
            Expression <Func <TProjection, TValue> > projectionProperty)
        {
            PropertyInfo                   propertyInfo = ReflectionHelpers.GetMessagePropertyInfo <TMessage, TProjection, TValue>(projectionProperty);
            Func <TMessage, TValue>        getValue     = e => ReflectionHelpers.GetPropertyValue <TMessage, TValue>(e, propertyInfo);
            Action <TProjection, TValue>   action       = ReflectionHelpers.CreateSetOperation(projectionProperty);
            Mapper <TMessage, TProjection> mapper       = Mapper <TMessage, TProjection> .Create((e, p) => action(p, getValue(e)));

            Filter <TMessage> filter = Filter <TMessage> .Create(projectionProperty, getValue);

            Key <TMessage, TProjection> key = Key <TMessage, TProjection> .Create(filter, mapper);

            source.Register(key);
            return(source);
        }