Helper class that resolves PostgreSQL connection and credential parameters, validates them and generates a connection URI.
Inherits: 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)
Fields
Instance methods
Configure
Configures a component by passing its configuration parameters.
public
Configure(ConfigParams config)
- config: ConfigParams - configuration parameters to be set.
ResolveAsync
Resolves PostgreSQL config from connection and credential parameters.
public
Task<string> ResolveAsync(string correlationId)
- correlationId: string - (optional) transaction id used to trace execution through the call chain.
- returns: Task<string> - resolved connection config or raised error.
SetReferences
Sets references to dependent components.
public
void SetReferences(IReferences references)
- references: IReferences - references to locate the component’s dependencies.