Chill\PersonBundle\Entity\Person:
    properties:
        name:
              - NotBlank: 
                  groups: [general, creation]
              - Length: 
                  min: 2
                  max: 255
                  minMessage: validation.Person.constraint.name_min
                  maxMessage: validation.Person.constraint.name_max
                  groups: [general, creation]
                  
        surname:
              - NotBlank:
                  groups: [general, creation]
              - Length: 
                  min: 2
                  max: 255
                  minMessage: validation.Person.constraint.name_min
                  maxMessage: validation.Person.constraint.name_max
                  groups: [general]
        dateOfBirth:
              - Date: 
                  message: validation.Person.constraint.dateOfBirth.not_valid
                  groups: [general, creation]
        history:
              - Valid:
                  traverse: true
    constraints:
          - Callback:
              methods: [isHistoryValid]
              groups: [history_consistent]
                  
                  

Chill\PersonBundle\Entity\PersonHistoryFile:
    properties:
        date_opening:
              - Date: 
                  message: validation.history.date_opening.not_valid
              - NotNull: 
                  message: validation.history.date_opening.not_null
        date_closing:
              - Date: 
                  message: validation.history.date_closing.not_valid
              - NotNull:
                  message: validation.history.date_closing.not_null
                  groups: [closed]
    constraints:
          - Callback:
              methods: [isDateConsistent]