MqttConnectionResolver class Null safety

Helper class that resolves MQTT connection and credential parameters, validates them and generates connection options.

Configuration parameters

• connection(s):
• discovery_key: (optional) a 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) a key to retrieve the credentials from ICredentialStore
• username: user name
• password: user password

References

• :discovery::*:1.0 (optional) IDiscovery services to resolve connections
• :credential-store::*:1.0 (optional) Credential stores to resolve credentials

Implemented types

• IReferenceable
• IConfigurable

Constructors

MqttConnectionResolver()

Properties

connectionResolver → ConnectionResolver

The connections resolver.

final

credentialResolver → CredentialResolver

The credentials resolver.

final

hashCode → int

The hash code for this object.

read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

Methods

compose(String? correlationId, ConnectionParams connection, CredentialParams credential) → Future<ConfigParams>

Composes MQTT connection options from connection and credential parameters.

configure(ConfigParams config) → void

Configures component by passing configuration parameters.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a non-existent method or property is accessed.

inherited

resolve(String? correlationId) → Future<ConfigParams>

Resolves MQTT connection options from connection and credential parameters.

setReferences(IReferences references) → void

Sets references to dependent components.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited