lib/activefacts/generator/summary.rb in activefacts-compositions-1.9.10 vs lib/activefacts/generator/summary.rb in activefacts-compositions-1.9.12

@@ -1,8 +1,8 @@
 #
 # ActiveFacts Compositions, Metamodel aspect to create a textual summary of a composition and its Composites
-# 
+#
 # Copyright (c) 2015 Clifford Heath. Read the LICENSE file.
 #
 require "activefacts/metamodel"
 require "activefacts/compositions/names"
 require "activefacts/compositions/constraints"
@@ -11,11 +11,15 @@
 module ActiveFacts
   module Metamodel
     class Composition
       def summary
         classify_constraints
-        "Summary of #{name}\n" +
+
+        vn = (v = constellation.Vocabulary.values[0]) ? v.version_number : nil
+        version_str = vn ? " version #{vn}" : ''
+
+        "Summary of #{name}#{version_str}\n" +
         all_composite.
         sort_by{|composite| composite.mapping.name}.
         flat_map do |composite|
           composite.summary
         end*''
@@ -33,40 +37,41 @@
           reject{|leaf| leaf.is_a?(Absorption) && leaf.forward_absorption}.
           flat_map do |leaf|
 
             # Build a display of the names in this absorption path, with FK and optional indicators
             path_names = leaf.path.map do |component|
-                is_mandatory = case component
-                  when Indicator
-                    false
-                  when Absorption
-                    component.parent_role.is_mandatory
-                  else
-                    true
-                  end
+                is_mandatory = true
+                is_unique = true
+                case component
+                when Absorption
+                  is_mandatory = component.parent_role.is_mandatory
+                  is_unique = component.parent_role.is_unique
+                when Indicator
+                  is_mandatory = false
+                end
 
                 if component.all_foreign_key_field.size > 0
                   "[#{component.name}]"
                 elsif component.is_a?(Absorption) && component.foreign_key
                   "{#{component.name}}"
                 else
                   component.name
                 end +
-                  (is_mandatory ? '' : '?')
-              end*'->' 
+                  (is_mandatory ? '' : '?') + (is_unique ? '' : '*')
+              end*'->'
 
             # Build a symbolic representation of the index participation of this leaf
             pos = 0
             indexing = indices.inject([]) do |a, index|
               pos += 1
               if part = index.position_in_index(leaf)
                 a << "#{pos}.#{part}"
               end
               a
             end
-            if indexing.empty? 
-              indexing = '' 
+            if indexing.empty?
+              indexing = ''
             else
               indexing = "[#{indexing*','}]"
             end
 
             column_name = leaf.column_name.capwords*' '
@@ -90,16 +95,16 @@
       def self.options
         {
         }
       end
 
-      def initialize compositions, options = {}
-        @compositions = compositions
+      def initialize composition, options = {}
+        @composition = composition
         @options = options
       end
 
       def generate
-        @compositions.map(&:summary)*"\n\n"
+        @composition.summary
       end
     end
     publish_generator Summary
   end
 end