com.mesosphere.sdk.config

Interface ConfigurationUpdater<C extends Configuration>

Type Parameters:

C - the type of configuration being used by the service

All Known Implementing Classes:

DefaultConfigurationUpdater

public interface ConfigurationUpdater<C extends Configuration>

Handles the validation and update of a new configuration against a prior configuration, if any.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ConfigurationUpdater.UpdateResult The result of an updateConfiguration(Configuration) call.

Method Summary

Modifier and Type	Method and Description
ConfigurationUpdater.UpdateResult	updateConfiguration(C candidateConfig) Validates the provided candidateConfig, and updates the target configuration if the validation passes.

Method Detail

updateConfiguration

ConfigurationUpdater.UpdateResult updateConfiguration(C candidateConfig)
                                               throws ConfigStoreException

Validates the provided candidateConfig, and updates the target configuration if the validation passes.

Parameters:

candidateConfig - the new candidate configuration to be validated and potentially marked as the target configuration

Returns:

a list of errors if the new candidate configuration failed validation, or an empty list if the configuration passed validation and was updated to the config store

Throws:

ConfigStoreException - if there's an error when reading or writing to the config store, or if there are validation errors against the config and no prior fallback config is available