Package org.apache.kafka.common.config

Provides common mechanisms for defining, parsing, validating, and documenting user-configurable parameters.

Interface Summary

Interface	Description
ConfigChangeCallback	A callback passed to ConfigProvider for subscribing to changes.
ConfigDef.Recommender	This is used by the ConfigDef.validate(Map) to get valid values for a configuration given the current configuration values in order to perform full configuration validation and visibility modification.
ConfigDef.Validator	Validation logic the user may provide to perform single configuration validation.

Class Summary

Class	Description
AbstractConfig	A convenient base class for configurations to extend.
Config
ConfigData	Configuration data from a ConfigProvider.
ConfigDef	This class is used for specifying the set of expected configurations.
ConfigDef.CaseInsensitiveValidString
ConfigDef.CompositeValidator
ConfigDef.ConfigKey
ConfigDef.LambdaValidator
ConfigDef.ListSize
ConfigDef.NonEmptyString
ConfigDef.NonEmptyStringWithoutControlChars
ConfigDef.NonNullValidator
ConfigDef.Range	Validation logic for numeric ranges
ConfigDef.ValidList
ConfigDef.ValidString
ConfigResource	A class representing resources that have configs.
ConfigTransformer	This class wraps a set of ConfigProvider instances and uses them to perform transformations.
ConfigTransformerResult	The result of a transformation from ConfigTransformer.
ConfigValue
LogLevelConfig	This class holds definitions for log level configurations related to Kafka's application logging.
SaslConfigs
SecurityConfig	Contains the common security config for SSL and SASL
SslConfigs
TopicConfig	Keys that can be used to configure a topic.

Enum Summary

Enum	Description
ConfigDef.Importance	The importance level for a configuration
ConfigDef.Type	The config types
ConfigDef.Width	The width of a configuration value
ConfigResource.Type	Type of resource.
SslClientAuth	Describes whether the server should require or request client authentication.

Exception Summary

Exception	Description
ConfigException	Thrown if the user supplies an invalid configuration