Helper class that resolves a Kafka connection and credential parameters, validates them and generates connection options.
Implements: IReferenceable, IConfigurable
Description
The KafkaConnectionResolver class is used to resolve Kafka connections and credential parameters, validate them and generate connection options.
Configuration parameters
- connection(s):
- discovery_key: (optional) key to retrieve the connection from IDiscovery
- host: host name or IP address
- port: port number
- uri: resource URI or connection string with all parameters in it
- credential(s):
- store_key: (optional) key to retrieve the credentials from ICredentialStore
- username: username
- password: user’s password
References
- *:discovery:*:*:1.0 - (optional) IDiscovery services
- *:credential-store:*:*:1.0 - (optional) credential stores to resolve credentials
Fields
Instance methods
compose
Composes Kafka connection options from connection and credential parameters.
compose(correlation_id: Optional[str], connections: List[ConnectionParams], credential: CredentialParams): Any
- correlation_id: Optional[str] - (optional) transaction id used to trace execution through the call chain.
- connections: List[ConnectionParams] - connection parameters
- credential: CredentialParams - credential parameters
- returns: Any - resolved Kafka connection options.
configure
Configures the component by passing its configuration parameters.
configure(config: ConfigParams)
- config: ConfigParams - configuration parameters to be set.
resolve
Resolves Kafka connection options from connection and credential parameters.
resolve(correlation_id: Optional[str]): ConfigParams
- correlation_id: Optional[str] - (optional) transaction id used to trace execution through the call chain.
- returns: ConfigParams - resolved Kafka connection options.
set_references
Sets references to dependent components.
set_references(references: IReferences)
- references: IReferences - references to locate the component’s dependencies.