org.apache.iceberg.expressions

Class BoundReference<T>

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

Modifier and Type	Method and 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