Module: VSM::Meta

Defined in:
lib/vsm/meta.rb,
lib/vsm/meta/tools.rb,
lib/vsm/meta/support.rb,
lib/vsm/meta/snapshot_cache.rb,
lib/vsm/meta/snapshot_builder.rb

Defined Under Namespace

Modules: Support, Tools Classes: SnapshotBuilder, SnapshotCache

Constant Summary collapse

DEFAULT_TOOL_MAP = 
{
  "meta_summarize_self" => Tools::SummarizeSelf,
  "meta_list_tools" => Tools::ListTools,
  "meta_explain_tool" => Tools::ExplainTool,
  "meta_explain_role" => Tools::ExplainRole
}.freeze

Class Method Summary collapse

Class Method Details

.attach!(capsule, prefix: "", only: nil, except: nil) ⇒ Object 



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# File 'lib/vsm/meta.rb', line 19

def attach!(capsule, prefix: "", only: nil, except: nil)
  cache = SnapshotCache.new(SnapshotBuilder.new(root: capsule))
  installed = {}

  tool_map = select_tools(only:, except:).transform_keys { |name| "#{prefix}#{name}" }
  tool_map.each do |tool_name, klass|
    tool = klass.new(root: capsule, snapshot_cache: cache)
    if capsule.roles[:governance] && tool.respond_to?(:governance=)
      tool.governance = capsule.roles[:governance]
    end
    register_tool(capsule, tool_name, tool)
    installed[tool_name] = tool
  end

  cache.fetch
  installed
end

.register_tool(capsule, name, tool) ⇒ Object 



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# File 'lib/vsm/meta.rb', line 50

def register_tool(capsule, name, tool)
  key = name.to_s
  capsule.children[key] = tool
  context_children = capsule.bus.context[:operations_children]
  if context_children.is_a?(Hash)
    context_children[key] = tool
  end
end

.select_tools(only:, except:) ⇒ Object 



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# File 'lib/vsm/meta.rb', line 37

def select_tools(only:, except:)
  map = DEFAULT_TOOL_MAP
  if only && !Array(only).empty?
    keys = Array(only).map(&:to_s)
    map = map.select { |name, _| keys.include?(name) }
  end
  if except && !Array(except).empty?
    rejects = Array(except).map(&:to_s)
    map = map.reject { |name, _| rejects.include?(name) }
  end
  map
end