Class: CPEE::NewInstance

Inherits:

Riddl::Implementation

• Object
• Riddl::Implementation
• CPEE::NewInstance

Defined in:

lib/cpee/implementation.rb

Overview

}}}

Class Method Summary

• .create(opts, redis, name, subs, doc = nil) ⇒ Object
• .path(e) ⇒ Object

  {{{.

• .sub(multi, id, doc, key) ⇒ Object

Instance Method Summary

• #response ⇒ Object

Class Method Details

.create(opts, redis, name, subs, doc = nil) ⇒ Object

# File 'lib/cpee/implementation.rb', line 370

def self::create(opts,redis,name,subs,doc=nil)
  doc = XML::Smart::open_unprotected(opts[:properties_init]) if doc.nil?
  doc.register_namespace 'p', 'http://cpee.org/ns/properties/2.0'
  id       = CPEE::Persistence::new_object(opts)
  uuid     = SecureRandom.uuid
  instance = CPEE::Persistence::obj + ':' + id.to_s
  redis.multi do |multi|
    multi.zadd('instances',id,id)
    doc.root.find(PROPERTIES_PATHS_FULL.join(' | ')).each do |e|
      p = NewInstance::path(e)
      if e.class == XML::Smart::Dom::Element && e.element_only?
        val = e.find('*').map { |f| f.dump }.join
        multi.set(File.join(instance, p), val)
      else
        multi.set(File.join(instance, p), e.text)
      end
    end
    doc.root.find(PROPERTIES_PATHS_INDEX_UNORDERED.join(' | ')).each do |e|
      p = NewInstance::path(e)
      multi.sadd(File.join(instance, File.dirname(p)), File.basename(p))
    end
    doc.root.find(PROPERTIES_PATHS_INDEX_ORDERED.join(' | ')).each_with_index do |e,i|
      p = NewInstance::path(e)
      multi.zadd(File.join(instance, File.dirname(p)), i, File.basename(p))
    end
    Dir[File.join(opts[:notifications_init],'*','subscription.xml')].each do |f|
      XML::Smart::open_unprotected(f) do |doc|
        NewInstance::sub(multi,id,doc,File.basename(File.dirname(f)))
      end rescue nil # all the ones that are not ok, are ignored
    end
    subs.each do |s|
      begin
        NewInstance::sub(multi,id,s.to_doc,s.attributes['id'] || Digest::MD5.hexdigest(Kernel::rand().to_s))
      end
    end

    multi.set(File.join(instance, 'attributes', 'uuid'), uuid)
    multi.zadd(File.join(instance, 'attributes'), -2, 'uuid')
    multi.set(File.join(instance, 'attributes', 'info'), name)
    multi.zadd(File.join(instance, 'attributes'), -1, 'info')
    multi.set(File.join(instance, 'state', '@changed'), Time.now.xmlschema(3))
  end

  [id, uuid]
end

.path(e) ⇒ Object

{{{

# File 'lib/cpee/implementation.rb', line 349

def self::path(e)
  ret = []
  until e.parent.is_a? XML::Smart::Dom
    ret << (e.class == XML::Smart::Dom::Attribute ? '@' : '') + e.qname.name
    e = e.parent
  end
  File.join(*ret.reverse)
end

.sub(multi, id, doc, key) ⇒ Object

# File 'lib/cpee/implementation.rb', line 358

def self::sub(multi,id,doc,key)
  doc.register_namespace 'np', 'http://riddl.org/ns/common-patterns/notifications-producer/2.0'
  url = doc.find('string(/np:subscription/@url)')
  multi.sadd(CPEE::Persistence::obj + ":#{id}/handlers",key)
  multi.set(CPEE::Persistence::obj + ":#{id}/handlers/#{key}/url",url)
  doc.find('/np:subscription/np:topic/*').each do |e|
    c = File.join(e.parent.attributes['id'],e.qname.name,e.text)
    multi.sadd(CPEE::Persistence::obj + ":#{id}/handlers/#{key}",c)
    multi.sadd(CPEE::Persistence::obj + ":#{id}/handlers/#{c}",key)
  end
end

Instance Method Details

#response ⇒ Object

# File 'lib/cpee/implementation.rb', line 416

def response
  opts  = @a[0]
  redis = opts[:redis]
  name  = @p[0].value

  id, uuid = NewInstance::create(opts,redis,name,[])
  content = {
    :state => 'ready',
    :attributes => CPEE::Persistence::extract_list(id,opts,'attributes').to_h
  }
  CPEE::Message::send(:event,'state/change',File.join(opts[:url],'/'),id,uuid,name,content,redis)

  @headers << Riddl::Header.new("CPEE-INSTANCE", id.to_s)
  @headers << Riddl::Header.new("CPEE-INSTANCE-URL", File.join(opts[:url].to_s,id.to_s,'/'))
  @headers << Riddl::Header.new("CPEE-INSTANCE-UUID", uuid)

  Riddl::Parameter::Simple.new("id", id.to_s)
end