@Generated(value="com.amazonaws:aws-java-sdk-code-generator") public interface AWSAppConfigDataAsync extends AWSAppConfigData
AsyncHandler can be used to receive
notification when an asynchronous operation completes.
Note: Do not directly implement this interface, new methods are added to it regularly. Extend from
AbstractAWSAppConfigDataAsync instead.
AppConfig Data provides the data plane APIs your application uses to retrieve configuration data. Here's how it works:
Your application retrieves configuration data by first establishing a configuration session using the AppConfig Data StartConfigurationSession API action. Your session's client then makes periodic calls to GetLatestConfiguration to check for and retrieve the latest data available.
When calling StartConfigurationSession, your code sends the following information:
Identifiers (ID or name) of an AppConfig application, environment, and configuration profile that the session tracks.
(Optional) The minimum amount of time the session's client must wait between calls to
GetLatestConfiguration.
In response, AppConfig provides an InitialConfigurationToken to be given to the session's client and
used the first time it calls GetLatestConfiguration for that session.
This token should only be used once in your first call to GetLatestConfiguration. You must use
the new token in the GetLatestConfiguration response (NextPollConfigurationToken) in each
subsequent call to GetLatestConfiguration.
When calling GetLatestConfiguration, your client code sends the most recent
ConfigurationToken value it has and receives in response:
NextPollConfigurationToken: the ConfigurationToken value to use on the next call to
GetLatestConfiguration.
NextPollIntervalInSeconds: the duration the client should wait before making its next call to
GetLatestConfiguration. This duration may vary over the course of the session, so it should be used
instead of the value sent on the StartConfigurationSession call.
The configuration: the latest data intended for the session. This may be empty if the client already has the latest version of the configuration.
The InitialConfigurationToken and NextPollConfigurationToken should only be used once. To
support long poll use cases, the tokens are valid for up to 24 hours. If a GetLatestConfiguration call
uses an expired token, the system returns BadRequestException.
For more information and to view example CLI commands that show how to retrieve a configuration using the AppConfig
Data StartConfigurationSession and GetLatestConfiguration API actions, see Retrieving the
configuration in the AppConfig User Guide.
ENDPOINT_PREFIXgetCachedResponseMetadata, getLatestConfiguration, shutdown, startConfigurationSessionFuture<GetLatestConfigurationResult> getLatestConfigurationAsync(GetLatestConfigurationRequest getLatestConfigurationRequest)
Retrieves the latest deployed configuration. This API may return empty configuration data if the client already has the latest version. For more information about this API action and to view example CLI commands that show how to use it with the StartConfigurationSession API action, see Retrieving the configuration in the AppConfig User Guide.
Note the following important information.
Each configuration token is only valid for one call to GetLatestConfiguration. The
GetLatestConfiguration response includes a NextPollConfigurationToken that should
always replace the token used for the just-completed call in preparation for the next one.
GetLatestConfiguration is a priced call. For more information, see Pricing.
getLatestConfigurationRequest - Future<GetLatestConfigurationResult> getLatestConfigurationAsync(GetLatestConfigurationRequest getLatestConfigurationRequest, AsyncHandler<GetLatestConfigurationRequest,GetLatestConfigurationResult> asyncHandler)
Retrieves the latest deployed configuration. This API may return empty configuration data if the client already has the latest version. For more information about this API action and to view example CLI commands that show how to use it with the StartConfigurationSession API action, see Retrieving the configuration in the AppConfig User Guide.
Note the following important information.
Each configuration token is only valid for one call to GetLatestConfiguration. The
GetLatestConfiguration response includes a NextPollConfigurationToken that should
always replace the token used for the just-completed call in preparation for the next one.
GetLatestConfiguration is a priced call. For more information, see Pricing.
getLatestConfigurationRequest - asyncHandler - Asynchronous callback handler for events in the lifecycle of the request. Users can provide an
implementation of the callback methods in this interface to receive notification of successful or
unsuccessful completion of the operation.Future<StartConfigurationSessionResult> startConfigurationSessionAsync(StartConfigurationSessionRequest startConfigurationSessionRequest)
Starts a configuration session used to retrieve a deployed configuration. For more information about this API action and to view example CLI commands that show how to use it with the GetLatestConfiguration API action, see Retrieving the configuration in the AppConfig User Guide.
startConfigurationSessionRequest - Future<StartConfigurationSessionResult> startConfigurationSessionAsync(StartConfigurationSessionRequest startConfigurationSessionRequest, AsyncHandler<StartConfigurationSessionRequest,StartConfigurationSessionResult> asyncHandler)
Starts a configuration session used to retrieve a deployed configuration. For more information about this API action and to view example CLI commands that show how to use it with the GetLatestConfiguration API action, see Retrieving the configuration in the AppConfig User Guide.
startConfigurationSessionRequest - asyncHandler - Asynchronous callback handler for events in the lifecycle of the request. Users can provide an
implementation of the callback methods in this interface to receive notification of successful or
unsuccessful completion of the operation.