@kronos-integration/service
Advanced tools
Base service implementation
Endpoint accessor mixin. Manages endpoints in a container.
superclass Default set of endpoints to create.
Returns Object {} empty set
Extends Service
Config providing service. Dispatches config requests to services. Also preserves them until a maching service becomes avaliable.
Deliver configuration for a given service.
Forget about preserved config of a service.
name string service nameSet config entry.
key string path to the valuevalue any We always start immediate.
Returns boolean true
Returns string 'config'
Merge from b into a. When a and b are arrays of values only the none duplicates are appendend to a.
a any b any Returns any merged b into a
Assign services based on a configuration.
target Object objectconfig Object service defintionprovider Object service providerwaitUntilFactoryPresent boolean Extends Service
Log receiving service.
We always start immediate.
Returns boolean true
Returns string 'logger'
Adds a log input endpoint to the set of Service endpoints.
Returns Object predefined endpoints
Provide services and hold service configuration. By default a service provider has two build in services 'logger' and 'config'.
superclass serviceLoggerClass (optional, default ServiceLogger)serviceConfigClass (optional, default ServiceConfig)Extends EndpointsMixin(StateTransitionMixin(LogLevelMixin(class {}), prepareActions({ start: { stopped: rsfDefault }, restart: { stopped: rsfDefault, running: { target: "running", during: "restarting", timeout } }, stop: { running: ssfDefault, starting: ssfDefault, failed: ssfDefault } }), "stopped"))
Service The initial state is 'stopped'. All services have at least three endpoints:
config Object
ic InitializationContext
endpoints Object Used in human readable state messages. Besides the actual service name it may contain additional short hints.
Returns string
Called when the service state changes. Emits a serviceStateChanged event to the owner.
Called when state transition is not allowed.
action string originating action nameDeliver transition timeout.
transition Object Returns number milliseconds before throwing for a long running transition
Opens all endpoint connections.
Closes all endpoint connections.
Restart action. default implementation does a _stop() and a _start()
Returns Promise fulfills after start
Restarts if in running mode. Otherwise does nothing.
Returns Promise resolves when restart is done (or immediate if no restart triggered)
Mapping of properties used in toString.
Returns Object
Base service is not a provider.
Returns boolean false
Returns the string representation of this service.
Returns string human readable name
Deliver json representation.
options Object
options.includeRuntimeInfo boolean include runtime informtion like stateoptions.includeDefaults boolean include default endpointsoptions.includeName boolean include name of the serviceoptions.includeConfig boolean include config attributesoptions.includePrivate boolean include private config attributesReturns Object json representation
Defaults to the type.
Returns string type
Should we start when beeing registered.
Returns boolean false
Takes attribute values from config parameters and copies them over to the object. Copying is done according to configurationAttributes. Which means we loop over all configuration attributes. and then for each attribute decide if we use the default, call a setter function or simply assign the attribute value.
config Object Returns Set of modified attributes
Use new configuration. Internally calls _configure(config) as the constructor does. If attribute with needsRestart are touched the restartIfRunning method will be called.
config Object Returns Promise fillfills when config is applied
Adds service name to the log event.
Meta information for the config attributes.
Returns Object
Definition of the predefined endpoints.
Returns Object predefined endpoints
Extends ServiceProviderMixin(Service)
Simple service manager (for examples and testing only).
Returns string 'standalone-provider'
With npm do:
npm install @kronos-integration/service
BSD-2-Clause
FAQs
Base service implementation
We found that @kronos-integration/service demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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