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CephalonEngine

Class ChoreographySagaExecutionStrategy

Namespace: Cephalon.Behaviors.Patterns.Strategies
Assembly: Cephalon.Behaviors.Patterns.dll

Executes behaviors that follow the choreography-based saga pattern. Publications returned by the behavior are staged through so other services or modules can continue the workflow by reacting to events.

public sealed class ChoreographySagaExecutionStrategy : IBehaviorExecutionStrategy

Inheritance

Section titled “Inheritance”

object ← ChoreographySagaExecutionStrategy

Implements

Section titled “Implements”

IBehaviorExecutionStrategy

Inherited Members

Section titled “Inherited Members”

object.Equals(object?), object.Equals(object?, object?), object.GetHashCode(), object.GetType(), object.ReferenceEquals(object?, object?), object.ToString()

Constructors

Section titled “Constructors”

ChoreographySagaExecutionStrategy(ISagaChoreographyPublisher, ILogger<ChoreographySagaExecutionStrategy>, ISagaChoreographyPublicationRuntimeStateCatalog?)

Section titled “ ChoreographySagaExecutionStrategy(ISagaChoreographyPublisher, ILogger<ChoreographySagaExecutionStrategy>, ISagaChoreographyPublicationRuntimeStateCatalog?)”

Initializes a new instance of .

public ChoreographySagaExecutionStrategy(ISagaChoreographyPublisher publisher, ILogger<ChoreographySagaExecutionStrategy> logger, ISagaChoreographyPublicationRuntimeStateCatalog? runtimeStateCatalog = null)

Parameters

Section titled “Parameters”

publisher ISagaChoreographyPublisher

The publisher used to stage choreography publications.

logger ILogger<ChoreographySagaExecutionStrategy>

The logger used to report accepted publications.

runtimeStateCatalog ISagaChoreographyPublicationRuntimeStateCatalog?

An optional runtime-state catalog that can also accept operator-facing live publication observations for choreography execution.

Properties

Section titled “Properties”

Pattern

Section titled “ Pattern”

Gets the pattern identifier handled by this strategy.

public string Pattern { get; }

Property Value

Section titled “Property Value”

string

Methods

Section titled “Methods”

ExecuteAsync(BehaviorExecutionContext, CancellationToken)

Section titled “ ExecuteAsync(BehaviorExecutionContext, CancellationToken)”

Invokes the behavior and stages any returned publications through the choreography publisher. Behaviors may return a single , a sequence of them, or any when they need both local output and publications in the same step.

public Task<BehaviorExecutionResult> ExecuteAsync(BehaviorExecutionContext context, CancellationToken ct = default)

Parameters

Section titled “Parameters”

context BehaviorExecutionContext

The execution context for this invocation.

ct CancellationToken

A token that cancels the execution.

Returns

Section titled “Returns”

Task<BehaviorExecutionResult>

A result with HTTP 202 when at least one publication is staged; otherwise HTTP 200 or 204 based on whether the behavior produced a local output.