Module io.helidon.lra.coordinator.client

Package io.helidon.lra.coordinator.client

MicroProfile Long Running Actions Coordinator client spi.

Provides abstraction over various coordinators. Implementation of CoordinatorClient is expected to be an application scoped bean.

Coordinator client is expected to leverage following configuration keys:

• mp.lra.coordinator.url URL of coordinator
• mp.lra.coordinator.timeout Timeout for coordinator calls
• mp.lra.coordinator.timeout-unit Timeout unit for coordinator calls timeout

Interface Summary

Interface	Description
CoordinatorClient	Abstraction over specific coordinator.
Headers	Deprecated, for removal: This API element is subject to removal in a future version. Never used on LRA api, going to be removed without replacement.
Participant	Participant metadata needed by LRA coordinator.
PropagatedHeaders	Headers propagated between Participant and Coordinator.

Class Summary

Class	Description
PropagatedHeaders.NoopPropagatedHeaders	Noop headers, always returns same instance of empty map.
PropagatedHeaders.PrefixedPropagatedHeaders	Propagated headers which can scan for allowed headers with any of the preconfigured prefixes.

Exception Summary

Exception	Description
CoordinatorConnectionException	Exception in communication with coordinator.