Interface IConstraintBuilder

Namespace

Cratis.Chronicle.Events.Constraints

Assembly

Cratis.Chronicle.dll

Defines the builder for building constraints.

public interface IConstraintBuilder

Methods

AddConstraint(IConstraintDefinition)

Add a constraint to the builder.

void AddConstraint(IConstraintDefinition constraint)

Parameters

constraint IConstraintDefinition

Cratis.Chronicle.Contracts.Events.Constraints.Constraint to add.

Build()

Build the constraint.

IImmutableList<IConstraintDefinition> Build()

Returns

IImmutableList<IConstraintDefinition>

A collection of IConstraintDefinition to use for registering with server.

Unique(Action<IUniqueConstraintBuilder>)

Start building a unique constraint.

IConstraintBuilder Unique(Action<IUniqueConstraintBuilder> callback)

Parameters

callback Action<IUniqueConstraintBuilder>

Callback with IUniqueConstraintBuilder for building.

Returns

IConstraintBuilder

Builder for continuation.

Unique<TEventType>(ConstraintViolationMessage?, ConstraintName?)

Adds a unique constraint for a specific event type. This means there can only be one instance of this event type per event source identifier.

IConstraintBuilder Unique<TEventType>(ConstraintViolationMessage? message = null, ConstraintName? name = null)

Parameters

message ConstraintViolationMessage

Optional message for the constraint.

name ConstraintName

Optional name for the constraint.

Returns

IConstraintBuilder

Builder for continuation.

Type Parameters

TEventType

Type of event to add for.

Unique<TEventType>(ConstraintViolationMessageProvider, ConstraintName?)

Adds a unique constraint for a specific event type. This means there can only be one instance of this event type per event source identifier.

IConstraintBuilder Unique<TEventType>(ConstraintViolationMessageProvider messageCallback, ConstraintName? name = null)

Parameters

messageCallback ConstraintViolationMessageProvider

Callback for providing message for the constraint.

name ConstraintName

Optional name for the constraint.

Returns

IConstraintBuilder

Builder for continuation.

Type Parameters

TEventType

Type of event to add for.