Returns the current time every time the field is persisted.

Returns the current time when the field is persisted if the current value is empty.

Extracts values from the given Record and generates a deterministic output based on those values.

Same as GenerateUUID, but allows for a custom representation of the underlying bytes.

Generates a V4 UUID value if the existing value is empty.

Retrieve a validator by name.

Only evaluates the given formatter if the current value of the field is empty.

Create a new colllection definition with no fields.

Returns the current time with an added offset when the field is persisted.

Takes a collection definition and any errors encountered while retrieving it, and determines whether a CreateCollection() call should be made.

Validate that all of the given validator functions pass.

Validate that the given value is among the given choices.

Validate that the value is a URL with a non-empty scheme and host component.

Validate that the given value matches all of the given regular expressions.

Validate that the given value matches at least one of the given regular expressions.

Validate that the given value is not a zero value (false, 0, 0.0, "", null).

Validate that the given value is not a zero value, and if it's a string, that the string does not contain only whitespace.

Validate that the given value is an integer > 0.

Validate that the given value is an integer >= 0.

Retrieve a validator by name.