include CommonApiTemplate
serialize :components, Hash
serialize :properties, Hash
+ serialize :components_summary, Hash
belongs_to :pipeline_template, :foreign_key => :pipeline_template_uuid, :primary_key => :uuid
- attr_accessor :pipeline_template
before_validation :bootstrap_components
before_validation :update_success
+ before_validation :verify_status
+ before_create :set_state_before_save
+ before_save :set_state_before_save
- api_accessible :superuser, :extend => :common do |t|
+ api_accessible :user, extend: :common do |t|
t.add :pipeline_template_uuid
t.add :pipeline_template, :if => :pipeline_template
t.add :name
t.add :success
t.add :active
t.add :dependencies
+ t.add :properties
+ t.add :state
+ t.add :components_summary
end
+ # Supported states for a pipeline instance
+ New = 'New'
+ Ready = 'Ready'
+ RunningOnServer = 'RunningOnServer'
+ RunningOnClient = 'RunningOnClient'
+ Paused = 'Paused'
+ Failed = 'Failed'
+ Complete = 'Complete'
+
def dependencies
dependency_search(self.components).keys
end
+ # if all components have input, the pipeline is Ready
+ def components_look_ready?
+ if !self.components || self.components.empty?
+ return false
+ end
+
+ all_components_have_input = true
+ self.components.each do |name, component|
+ component['script_parameters'].andand.each do |parametername, parameter|
+ parameter = { 'value' => parameter } unless parameter.is_a? Hash
+ if parameter['value'].nil? and parameter['required']
+ if parameter['output_of']
+ next
+ end
+ all_components_have_input = false
+ break
+ end
+ end
+ end
+ return all_components_have_input
+ end
+
def progress_table
begin
# v0 pipeline format
t.collect { |r| r[2] }.inject(0.0) { |sum,a| sum += a } / t.size
end
+ def self.queue
+ self.where('active = true')
+ end
+
protected
def bootstrap_components
if pipeline_template and (!components or components.empty?)
- self.components = pipeline_template.components
+ self.components = pipeline_template.components.deep_dup
end
end
{}
end
end
+
+ def verify_status
+ if active_changed?
+ if self.active
+ self.state = RunningOnServer
+ else
+ if self.components_look_ready?
+ self.state = Ready
+ else
+ self.state = New
+ end
+ end
+ elsif success_changed?
+ if self.success
+ self.active = false
+ self.state = Complete
+ else
+ self.active = false
+ self.state = Failed
+ end
+ elsif state_changed?
+ case self.state
+ when New, Ready, Paused
+ self.active = false
+ self.success = nil
+ when RunningOnServer
+ self.active = true
+ self.success = nil
+ when RunningOnClient
+ self.active = false
+ self.success = nil
+ when Failed
+ self.active = false
+ self.success = false
+ self.state = Failed # before_validation will fail if false is returned in the previous line
+ when Complete
+ self.active = false
+ self.success = true
+ else
+ return false
+ end
+ elsif components_changed?
+ if !self.state || self.state == New || !self.active
+ if self.components_look_ready?
+ self.state = Ready
+ else
+ self.state = New
+ end
+ end
+ end
+ end
+
+ def set_state_before_save
+ if !self.state || self.state == New
+ if self.active
+ self.state = RunningOnServer
+ elsif self.components_look_ready?
+ self.state = Ready
+ else
+ self.state = New
+ end
+ end
+ end
+
end