smile.data.formula

Interface HyperTerm

All Superinterfaces:

java.io.Serializable

All Known Subinterfaces:

Term

All Known Implementing Classes:

AbstractBiFunction, AbstractFunction, AbstractTerm, Constant, DoubleFunction, IntFunction, Operator

public interface HyperTerm
extends java.io.Serializable

A term is recursively constructed from constant symbols, variables and function symbols. A formula consists of a series of terms. To be concise, we also allow HyperTerms that can be can be expanded to multiple simple terms.

Method Summary

Modifier and Type	Method and Description
void	bind(StructType schema) Binds the term to a schema.
java.util.List<? extends Term>	terms() Returns the list of terms after expanding the hyperterm.
java.util.Set<java.lang.String>	variables() Returns the list of variables used in this term.

Method Detail

bind

void bind(StructType schema)

Binds the term to a schema.

terms

java.util.List<? extends Term> terms()

Returns the list of terms after expanding the hyperterm.

variables

java.util.Set<java.lang.String> variables()

Returns the list of variables used in this term.