pip_services3_mysql.connect.MySqlConnectionResolver module

class pip_services3_mysql.connect.MySqlConnectionResolver.MySqlConnectionResolver

Bases: pip_services3_commons.refer.IReferenceable.IReferenceable, pip_services3_commons.config.IConfigurable.IConfigurable

Helper class that resolves MySQL connection and credential parameters, validates them and generates a connection URI.

It is able to process multiple connections to MySQL cluster nodes.

### Configuration parameters ###

• connection(s):

  • discovery_key: (optional) a 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) a key to retrieve the credentials from ICredentialStore

  • username: user name

  • password: user password

### References ###

• *:discovery:*:*:1.0 (optional) IDiscovery services

• *:credential-store:*:*:1.0 (optional) ICredentialStore stores to resolve credentials

configure(config: pip_services3_commons.config.ConfigParams.ConfigParams)

Configures component by passing configuration parameters.

Parameters

config – configuration parameters to be set.

resolve(correlation_id: Optional[str]) → str

Resolves MySQL connection URI from connection and credential parameters.

Parameters

correlation_id – (optional) transaction id to trace execution through call chain.

Returns

resolved URI or raise error.

set_references(references: pip_services3_commons.refer.IReferences.IReferences)

Sets references to dependent components.

Parameters

references – references to locate the component dependencies.