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This method first checks whether If code generation configuration is enabled or not. If it is not, instantiate original NormalizedKeySorter. If the feature is enabled, the method checks whether there is a constructor of the corresponding source code already in the cache using templateModel.getGeneratedCodeFilename() as a key. If the constructor is not there yet, ask TemplateManager to instantiate the sorter and cache the constructor. Otherwise use the cached constructor to instantiate the sorter.

SorterTemplateModel : responsible for constructing suitable code String of each optimizing section in a template file. These Strings will be exposed via getTemplateVariables() to TemplateManager.

• • • • • Attributes

• • • • • • String templateName

          • TypeComparator typeComparator

          • ArrayList<Integer> fixedByteChunks

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Use templateModel.getTemplateVariables to render the corresponding blocks in “sorter.ftlh” template and store it at “taskmanager.temp.dirs”

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sorter-template.ftlh : generic sorter template ( based on NormalizedKeySorter code )

Sequence Diagram of Code Generation 

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