Class: Arborist::Event::Node

Inherits:
Arborist::Event show all
Defined in:
lib/arborist/event/node.rb

Overview

A base class for events which are related to an Arborist::Node.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Arborist::Event

#informational?, #inspect, #type

Constructor Details

#initialize(node, payload = nil) ⇒ Node

Strip and save the node argument to the constructor.



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# File 'lib/arborist/event/node.rb', line 11

def initialize( node, payload=nil )
  @node = node
  super( payload )
end

Instance Attribute Details

#node ⇒ Object (readonly)

The node that generated the event



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# File 'lib/arborist/event/node.rb', line 22

def node
  @node
end

Instance Method Details

#inspect_details ⇒ Object

Return the detail portion of the #inspect string appropriate for this event type.



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# File 'lib/arborist/event/node.rb', line 42

def inspect_details
  return "%s(%s)%s" % [
    self.node.identifier,
    self.node.type,
    self.node.flapping? ? ' (flapping)' : '',
  ]
end

#match(object) ⇒ Object

Returns true if the specified object matches this event.



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# File 'lib/arborist/event/node.rb', line 26

def match( object )
  rval = super &&
    self.node.matches?( object.criteria ) &&
    !self.node.matches?( object.negative_criteria, if_empty: false )
  self.log.debug "Node event #match: %p" % [ rval ]
  return rval
end

#payload ⇒ Object

Use the node data as this event’s payload.



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# File 'lib/arborist/event/node.rb', line 36

def payload
  return self.node.to_h
end

#to_h ⇒ Object

Inject useful node metadata into the generated hash.



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# File 'lib/arborist/event/node.rb', line 52

def to_h
  return super.merge(
    identifier:  self.node.identifier,
    parent:      self.node.parent,
    nodetype:    self.node.type,
    flapping:    self.node.flapping?
  )
end