Grails Domain Class Relationships


  • Domain class relationships (associations) 
  • Cardinality relationships
    • One-to-one 
    • One-to-many 
    • Many-to-many 
  • Cascading updates and deletes 
  • Eager and Lazy fetching 
  • Composition relationship 
  • Inheritance relationship

Domain Class Relationships (Associations)

What are Relationships (Associations)? 

  • Relationships define how domain classes interact with each other
  • Types of relationships 
    • Cardinality relationship 
      • One-to-One 
      • One-to-Many
      • Many-to-Many 
    • Directional relationship 
    • Inheritance relationship

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