On

User events are overridden by name and weight, sorted by weight (desc) and must be namespaced.
class Foo {
​
  @on('axon__task.completed',  {   
    environment: 'development',   
  })
  static check(...params, runtime) {
    const {
      weight, 
      source,   // "script" or "event" 
      metadata,
      event,   
      context   // the event document, when fired by a user event.
    } = runtime
​
    console.log('checking')
  }
​
}
script.fire(event, ...params)
Execute events registered with @on in the same script context as the current principal.
Arguments
event { String[] } The custom event name. eg. axon__task.completed.before
...params { *[] } Options object to pass to script.arguments
@on(event, options)
Arguments
event { String } Event
options { Object } Options object
active { Boolean = true }
name { String }
label { String }  
environment { String = "*" }
if { Expression }
weight { Number = 0 }    
Examples
const { on } = require('decorators')
​
class Handler {
​
  @on('axon__task.completed', { name: 'axon__task_completed_event' })
  onCompleted( task, str ) {
    // str === "another param"
  }
​
}
​
const task = completeATask()
script.fire('axon__task.completed', task, "another param")

Object

Policy

Last modified 2yr ago