add createId methods in GraphFactory

[houzhizhen]

No description provided.

[codecov]

Codecov Report

Merging #45 (4ef255b) into master (c9e5ef4) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master      #45      +/-   ##
============================================
+ Coverage     83.14%   83.16%   +0.01%     
- Complexity     1362     1365       +3     
============================================
  Files           149      149              
  Lines          4522     4525       +3     
  Branches        379      379              
============================================
+ Hits           3760     3763       +3     
  Misses          534      534              
  Partials        228      228              

Impacted Files	Coverage Δ	Complexity Δ
...graph/computer/core/graph/BuiltinGraphFactory.java	100.00% <100.00%> (ø)	14.00 <3.00> (+3.00)

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