Class EventComputation<C, S, E>`Abstract`

An abstract algorithm to compute new events based on the old events and the command being handled.

Type Parameters

C
S
E

Hierarchy (view full)

EventComputation
- EventSourcingAggregate

Implements

IDecider<C, S, E>

Index

Constructors

Properties

decider initialState

Methods

computeNewEvents decide evolve

Constructors

`Protected` constructor

new EventComputation<C, S, E>(decider): EventComputation<C, S, E>
Type Parameters
- C
- S
- E
Parameters
- decider: IDecider<C, S, E>
Returns EventComputation<C, S, E>
- Defined in lib/application/eventsourcing-aggregate.ts:116

Properties

`Protected` `Readonly` decider

decider: IDecider<C, S, E>

`Readonly` initialState

initialState: S

Methods

`Protected` computeNewEvents

computeNewEvents(events, command): readonly E[]
Parameters
- events: readonly E[]
- command: C
Returns readonly E[]
- Defined in lib/application/eventsourcing-aggregate.ts:130

decide

decide(command, state): readonly E[]
Parameters
- command: C
- state: S
Returns readonly E[]
Implementation of IDecider.decide
- Defined in lib/application/eventsourcing-aggregate.ts:122

evolve

evolve(state, event): S
Parameters
- state: S
- event: E
Returns S
Implementation of IDecider.evolve
- Defined in lib/application/eventsourcing-aggregate.ts:126

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