/// <summary> Make Aggregate realize the event happened
/// by applying it to the state and adding to
/// the list of uncommitted events</summary>
/// <param name="eventThatHappened"></param>
void Apply(ITrustedSystemEvent eventThatHappened)
{
// update Agg's in-memory state so if a behavior (method) has
// multiple steps, each subsequent step has up-to-date state to operate on
_aggState.MakeStateRealize(eventThatHappened);
// update Agg's public collection of change causing Events so the
// AppService can use it to persist AggState as appended Events to this Agg's Event Stream
EventsCausingChanges.Add((Event)eventThatHappened);
}
public void MakeStateRealize(ITrustedSystemEvent thisEventTypeHappened)
{
#region What Is This Code/Syntax Doing?
// Announce that a specific Type of Event Message occured
// so that this AggregateState instance can Realize it and change its state because of it.
// We are telling the compiler to call one of the "When" methods in this class to achieve this realization.
// The "dynamic" syntax below is just a shortcut we are using so we don't
// have to create a large if/else block for a bunch of type-specific static Event types.
// This shortcut using the "dynamic" keyword syntax means:
// "Call the 'When' method of 'this' AggregateState instance
// that has a method signature of:
// When(WhateverTheEventTypeIsOf-thisEventTypeHappened)".
#endregion
((dynamic)this).When((dynamic)thisEventTypeHappened);
}
/// <summary> Make Aggregate realize the event happened
/// by applying it to the state and adding to
/// the list of uncommitted events</summary>
/// <param name="eventThatHappened"></param>
void Apply(ITrustedSystemEvent eventThatHappened)
{
// update Agg's in-memory state so if a behavior (method) has
// multiple steps, each subsequent step has up-to-date state to operate on
_aggState.MakeStateRealize(eventThatHappened);
// update Agg's public collection of change causing Events so the
// AppService can use it to persist AggState as appended Events to this Agg's Event Stream
EventsCausingChanges.Add((Event)eventThatHappened);
}
public void MakeStateRealize(ITrustedSystemEvent thisEventTypeHappened)
{
#region What Is This Code/Syntax Doing?
// Announce that a specific Type of Event Message occured
// so that this AggregateState instance can Realize it and change its state because of it.
// We are telling the compiler to call one of the "When" methods in this class to achieve this realization.
// The "dynamic" syntax below is just a shortcut we are using so we don't
// have to create a large if/else block for a bunch of type-specific static Event types.
// This shortcut using the "dynamic" keyword syntax means:
// "Call the 'When' method of 'this' AggregateState instance
// that has a method signature of:
// When(WhateverTheEventTypeIsOf-thisEventTypeHappened)".
#endregion
((dynamic)this).When((dynamic)thisEventTypeHappened);
}
