This is a simple constraints util.

Current implementation supports:

• yaml file format processing

and such operations:

• merge files by specified field

Usage

java -jar constraint-parser.jar 
        'fromFile' 
        'mergeWith' 
        'toFile' 
        'fieldName'

or set all required parameters to the

ConstraintParserStarter()

Command line arguments:

1. fromFile - file from which to read
2. mergeWith - file to merge with
3. toFile - file that will contain the result
4. fieldName - field name to merge by