BoundReference

java.lang.Object
- org.apache.iceberg.expressions.BoundReference<T>

All Implemented Interfaces:

java.io.Serializable, Bound<T>, BoundTerm<T>, Reference<T>, Term
```
public class BoundReference<T>
extends java.lang.Object
implements BoundTerm<T>, Reference<T>
```
See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Accessor<StructLike>`	`accessor()`
`T`	`eval(StructLike struct)`	Produce a value from the struct for this expression.
`Types.NestedField`	`field()`
`int`	`fieldId()`
`BoundReference<T>`	`ref()`
`java.lang.String`	`toString()`
`Type`	`type()`

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

Methods inherited from interface org.apache.iceberg.expressions.BoundTerm
comparator

- Method Detail
  - eval
```
public T eval(StructLike struct)
```
    Description copied from interface: Bound
    
    Produce a value from the struct for this expression.
    
    Specified by:
    
    eval in interface Bound<T>
    
    Parameters:
    
    struct - a struct of incoming data
    
    Returns:
    
    the value of this expression when evaluated on the incoming struct
  - field
```
public Types.NestedField field()
```
  - ref
```
public BoundReference<T> ref()
```
    Specified by:
    
    ref in interface Bound<T>
    
    Returns:
    
    the underlying reference
  - type
```
public Type type()
```
    Specified by:
    
    type in interface BoundTerm<T>
    
    Returns:
    
    the type produced by this expression
  - fieldId
```
public int fieldId()
```
  - accessor
```
public Accessor<StructLike> accessor()
```
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object