PostgresConnectionResolver

Implements: IReferenceable, IConfigurable

Description

The PostgresConnectionResolver class allows you to create a PostgresSQL connection and credential parameters resolver that validates these parameters and generates a connection URI.

Important points

• It is able to process multiple connections to PostgreSQL cluster nodes.

Configuration parameters

connection(s):

• discovery_key: (optional) key to retrieve the connection from IDiscovery
• host: host name or IP address
• port: port number (default: 27017)
• database: database name
• 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 (ICredentialStore)

Constructors

Creates a new instance of the connection component.

PostgresConnectionResolver()

Fields

Instance methods

configure

Configures component by passing configuration parameters.

configure(config: ConfigParams)

• config: ConfigParams - configuration parameters to be set.

resolve

Resolves PostgreSQL config from connection and credential parameters.

resolve(correlation_id: Optional[str]): Any

• correlation_id: Optional[str] - (optional) transaction id used to trace execution through the call chain.
• returns: Any - resolved connection config or raised error.

set_references

Sets references to dependent components.

set_references(references: IReferences)

• references: IReferences - references to locate the component dependencies.