SortField

java.lang.Object
- org.apache.iceberg.SortField

All Implemented Interfaces:

java.io.Serializable
```
public class SortField
extends java.lang.Object
implements java.io.Serializable
```
A field in a SortOrder.

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SortDirection`	`direction()`	Returns the sort direction
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`NullOrder`	`nullOrder()`	Returns the null order
`boolean`	`satisfies(SortField other)`	Checks whether this field's order satisfies another field's order.
`int`	`sourceId()`	Returns the field id of the source field in the `sort order's` table schema
`java.lang.String`	`toString()`
`<S,T> Transform<S,T>`	`transform()`	Returns the transform used to produce sort values from source values.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Method Detail
  - transform
```
public <S,T> Transform<S,T> transform()
```
    Returns the transform used to produce sort values from source values.
    
    Type Parameters:
    
    S - the Java type of values transformed by the transform function
    
    T - the Java type of values returned by the transform function
    
    Returns:
    
    the transform
  - sourceId
```
public int sourceId()
```
    Returns the field id of the source field in the sort order's table schema
  - direction
```
public SortDirection direction()
```
    Returns the sort direction
  - nullOrder
```
public NullOrder nullOrder()
```
    Returns the null order
  - satisfies
```
public boolean satisfies(SortField other)
```
    Checks whether this field's order satisfies another field's order.
    
    Parameters:
    
    other - another sort field
    
    Returns:
    
    true if this order satisfies the given order
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object