US 11,693,647 B2Granted

Deployment of new versions of event consumers in an event-driven system

AssigneeCapital One Services, LLC

InventorSunil Kaitha

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Abstract

In some implementations, a system may receive, in a state event store, a deployment state event notification based on deployment of a new event consumer in the system. An old event consumer of the system may retrieve the deployment state event notification from the state event store. The system may deactivate an old event consumer based on retrieving the deployment state event notification, wherein the old event consumer refrains from processing topic event notifications after deactivation and continues to monitor the state event store for state event notifications. The old event consumer may publish a deactivation state event notification to the state event store based on deactivating the old event consumer. The new event consumer may retrieve the deactivation state event notification from the state event store. The system may activate the new event consumer based on retrieving the deactivation state event notification.

Claims20

Dependent claims

An event-driven system for deployment of a new version of an event consumer, comprising:

a topic event store configured to store multiple topic event notifications;
a state event store configured to store one or more state event notifications;
a group of old event consumers configured to:
process one or more topic event notifications of the multiple topic event notifications stored in the topic event store, and
activate or deactivate processing of topic event notifications of the multiple topic event notifications based on a state event notification of the one or more state event notifications;
and
one or more processors configured to publish a deployment state event notification to the state event store based on deployment of a new event consumer that is a newer version than the group of old event consumers, wherein the deployment state event notification causes an old event consumer, of the group of old event consumers, to:
deactivate the old event consumer,
refrain from processing topic event notifications of the multiple topic event notification based on deactivating the old event consumer, and
publish a deactivation state event notification to the state event store based on deactivating the old event consumer, wherein the deactivation state event notification causes the new event consumer to:
activate the new event consumer, and
begin processing topic event notifications of the multiple topic event notifications based on activating the new event consumer.

9 more elements

A method for deployment of a new version of an event consumer in an event-driven system, comprising:

receiving, in a state event store of the event-driven system, a deployment state event notification based on deployment of a new event consumer in the event-driven system,
wherein the new event consumer is a newer version of an old event consumer previously deployed in the event-driven system;
retrieving, by the old event consumer, the deployment state event notification from the state event store;
deactivating the old event consumer based on retrieving the deployment state event notification,
wherein the old event consumer refrains from processing topic event notifications, stored in a topic event store of the event-driven system, after deactivation and continues to monitor the state event store for state event notifications;
publishing, by the old event consumer, a deactivation state event notification to the state event store based on deactivating the old event consumer;
retrieving, by the new event consumer, the deactivation state event notification from the state event store;
and
activating the new event consumer based on retrieving the deactivation state event notification,
wherein the new event consumer begins processing topic event notifications, stored in the topic event store, after activation.

7 more elements

An event-driven system for deploying a new event consumer, comprising:

means for receiving a deployment state event notification based on deployment of the new event consumer in the event-driven system,
wherein the new event consumer is a newer version of an old event consumer deployed in the event-driven system;
means for deactivating the old event consumer based on the deployment state event notification,
wherein the old event consumer refrains from processing topic event notifications, stored in a topic event store of the event-driven system, after deactivation, and
wherein the old event consumer continues to monitor for state event notifications, stored in a state event store, after deactivation;
means for publishing a deactivation state event notification based on deactivating the old event consumer;
and
means for activating the new event consumer based on the deactivation state event notification,
wherein the new event consumer begins processing topic event notifications, stored in the topic event store, after activation.

6 more elements

Dependencies are inferred from the claim text.