Class MaterializedView<S, E, V, EM>

Materialized view is using/delegating a View to handle events of type E and to maintain a state of projection(s) via IViewStateRepository as a result. Essentially, it represents the query/view side of the CQRS pattern.

Author

Иван Дугалић / Ivan Dugalic /

Idugalic

Type Parameters

S
Materialized View state of type S
E
Events of type E that are handled by this Materialized View
V
Version of the state
EM
Event Metadata

Implements

IMaterializedView<S, E, V, EM>

Index

Constructors

constructor

new MaterializedView<S, E, V, EM>(view, viewStateRepository): MaterializedView<S, E, V, EM>
Type Parameters
- S
- E
- V
- EM
Parameters
- view: IView<S, E>
- viewStateRepository: IViewStateRepository<E, S, V, EM>
Returns MaterializedView<S, E, V, EM>
- Defined in lib/application/materialized-view.ts:89

Properties

`Readonly` initialState

initialState: S

`Protected` `Readonly` view

view: IView<S, E>

`Protected` `Readonly` viewStateRepository

viewStateRepository: IViewStateRepository<E, S, V, EM>

Methods

evolve

evolve(state, event): S
Parameters
- state: S
- event: E
Returns S
Implementation of IMaterializedView.evolve
- Defined in lib/application/materialized-view.ts:97

fetch

fetch(event): Promise<null | S & V>
Parameters
- event: E & EM
Returns Promise<null | S & V>
Implementation of IMaterializedView.fetch
- Defined in lib/application/materialized-view.ts:101

handle

handle(event): Promise<S & V>
Parameters
- event: E & EM
Returns Promise<S & V>
Implementation of IMaterializedView.handle
- Defined in lib/application/materialized-view.ts:109

save

save(state, eventMetadata, version): Promise<S & V>
Parameters
- state: S
- eventMetadata: EM
- version: null | V
Returns Promise<S & V>
Implementation of IMaterializedView.save
- Defined in lib/application/materialized-view.ts:105

Class MaterializedView<S, E, V, EM>

Author

Idugalic

Type Parameters

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Type Parameters

Parameters

Returns MaterializedView<S, E, V, EM>

Properties

`Readonly` initialState

`Protected` `Readonly` view

`Protected` `Readonly` viewStateRepository

Methods

evolve

Parameters

Returns S

fetch

Parameters

Returns Promise<null | S & V>

handle

Parameters

Returns Promise<S & V>

save

Parameters

Returns Promise<S & V>

Settings

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Class MaterializedView<S, E, V, EM>

Author

Idugalic

Type Parameters

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Type Parameters

Parameters

Returns MaterializedView<S, E, V, EM>

Properties

Readonly initialState

Protected Readonly view

Protected Readonly viewStateRepository

Methods

evolve

Parameters

Returns S

fetch

Parameters

Returns Promise<null | S & V>

handle

Parameters

Returns Promise<S & V>

save

Parameters

Returns Promise<S & V>

Settings

Member Visibility

Theme

On This Page

`Readonly` initialState

`Protected` `Readonly` view

`Protected` `Readonly` viewStateRepository