Method Validate

entity/dag/entity.go:367–397

Validate check if the Entity data is valid

()

// Validate check if the Entity data is valid
func (e *Entity) Validate() error {
	// non-empty
	if len(e.ops) == 0 && len(e.staging) == 0 {
		return fmt.Errorf("entity has no operations")
	}

	// check if each operation are valid
	for _, op := range e.ops {
		if err := op.Validate(); err != nil {
			return err
		}
	}

	// check if staging is valid if needed
	for _, op := range e.staging {
		if err := op.Validate(); err != nil {
			return err
		}
	}

	// Check that there is no colliding operation's ID
	ids := make(map[entity.Id]struct{})
	for _, op := range e.Operations() {
		if _, ok := ids[op.Id()]; ok {
			return fmt.Errorf("id collision: %s", op.Id())
		}
		ids[op.Id()] = struct{}{}
	}

	return nil
}

// Operations return the ordered operations
func (e *Entity) Operations() []Operation {