org.apache.iceberg.expressions

Interface Bound<T>

Type Parameters:

T - the Java type of values produced by this expression

All Known Subinterfaces:

BoundTerm<T>

All Known Implementing Classes:

BoundAggregate, BoundLiteralPredicate, BoundPredicate, BoundReference, BoundSetPredicate, BoundTransform, BoundUnaryPredicate, CountAggregate, CountNonNull, CountStar, MaxAggregate, MinAggregate

public interface Bound<T>

Represents a bound value expression.

Method Summary

Modifier and Type	Method and Description
T	eval(StructLike struct) Produce a value from the struct for this expression.
BoundReference<?>	ref() Returns the underlying reference.

Method Detail

ref

BoundReference<?> ref()

Returns the underlying reference.

eval

T eval(StructLike struct)

Produce a value from the struct for this expression.

Parameters:

struct - a struct of incoming data

Returns:

the value of this expression when evaluated on the incoming struct