| Interface | Description | 
|---|---|
| Transform | Represents a transform function in the public logical expression API. | 
| Class | Description | 
|---|---|
| Transform.SingleFieldTransform | Base class for simple transforms of a single field. | 
| Transforms | Helper methods to create logical transforms to pass into Apache Gravitino. | 
| Transforms.ApplyTransform | A transform that applies a function to the input value. | 
| Transforms.BucketTransform | A transform that returns the bucket of the input value. | 
| Transforms.DayTransform | A transform that returns the day of the input value. | 
| Transforms.HourTransform | A transform that returns the hour of the input value. | 
| Transforms.IdentityTransform | A transform that returns the input value. | 
| Transforms.ListTransform | A transform that includes multiple fields in a list. | 
| Transforms.MonthTransform | A transform that returns the month of the input value. | 
| Transforms.RangeTransform | A transform that returns the range of the input value. | 
| Transforms.TruncateTransform | A transform that returns the truncated value of the input value with the given width. | 
| Transforms.YearTransform | A transform that returns the year of the input value. |