# File lib/semantic_record/transaction_factory.rb, line 13
13:     def initialize
14:       super
15:       add_transaction_statement
16:     end

    # File lib/semantic_record/transaction_factory.rb, line 51
51:     def add_add_statement(s, p, o)
52:       add_state = build_element( ADD_STATEMENT )
53:       #--
54:       # TODO move adding of multiple elements to support/helper
55:       #++
56:       construct_triples(s,p,o).each do |triple| 
57: #        add_remove_statement(triple['s'],triple['p'],triple['o'])  
58:         build_triple(triple['s'],triple['p'],triple['o']).each do |resource|
59:           add_state.add(resource)
60:         end
61:      end
62:       self.root.add(add_state)
63:     end

    # File lib/semantic_record/transaction_factory.rb, line 27
27:     def add_remove_statement(s, p, o)
28:       remove = build_element( REMOVE_STATEMENT )
29:       #--
30:       # TODO move adding of multiple elements to support/helper
31:       #++
32:             construct_triples(s,p,o).each do |triple| 
33:       #        add_remove_statement(triple['s'],triple['p'],triple['o'])  
34:               build_triple(triple['s'],triple['p'],triple['o']).each do |resource|
35:                 remove.add(resource)
36:               end
37:            end
38:       
39:       
40:       # build_triple(s,p,o).each do |resource|
41:       #   remove.add(resource)
42:       # end
43: 
44:       self.root.add(remove)
45:     end

    # File lib/semantic_record/transaction_factory.rb, line 19
19:     def add_transaction_statement
20:       self.add( build_element( TRANSACTION_STATEMENT ) )
21:     end

    # File lib/semantic_record/transaction_factory.rb, line 66
66:     def add_update_statement(s, p, o, new_object)
67:       #--
68:       # TODO modify for applying changes that effect more than the object
69:       #++
70:       #construct_triples(s,p,o).each do |triple| 
71:         add_remove_statement(s, p, o)  
72:       #end
73:       #construct_triples(s,p,new_object).each do |triple| 
74:         add_add_statement(s, p, new_object)  
75:       #end
76:       
77:       #raise self.to_s.inspect
78:     end

     # File lib/semantic_record/transaction_factory.rb, line 135
135:     def build_element(name)
136:       return REXML::Element.new(name)
137:     end

     # File lib/semantic_record/transaction_factory.rb, line 126
126:     def build_literal_element(value)
127:       #--
128:       # TODO make me pretty
129:       #++
130:       b = build_element( LITERAL_STATEMENT )
131:       b.text=(value)
132:       return b
133:     end

     # File lib/semantic_record/transaction_factory.rb, line 93
 93:     def build_triple(s, p, o)
 94:       returning [] do |triple|
 95:         #raise s.inspect
 96:         
 97:         # ugly!!! first should not called directly
 98:         [s,p,o].each do |resource|
 99:           #--
100:           # FIXME if handling of properties ever changes (resource.type == URI)
101:           #++
102:           
103:           
104:           if resource =~ /http:\/\//
105:             triple << build_uri_element(resource)
106:           elsif resource.nil?
107:             triple << build_element( NULL )
108:           else
109:             triple << build_literal_element(resource)
110:           end
111:         end
112:       end
113:     end

     # File lib/semantic_record/transaction_factory.rb, line 116
116:     def build_uri_element(value)
117:       #--
118:       # TODO make me pretty
119:       #++
120:       b = build_element( URI_STATEMENT )
121:       b.text=(value)
122:       return b
123:     end

    # File lib/semantic_record/transaction_factory.rb, line 82
82:     def construct_triples(s,p,o)
83:       returning [] do |triples|
84:         s.each do |_s|
85:           o.each do |_o|
86:             triples << {'s' => _s,'p' => p,'o' => _o}
87:           end
88:         end
89:       end
90:     end