smile.data.formula

Class Operator

java.lang.Object

smile.data.formula.AbstractTerm

smile.data.formula.Operator

All Implemented Interfaces:

java.io.Serializable, HyperTerm, Term

public abstract class Operator
extends AbstractTerm

The term of a + b add expression.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Operator(java.lang.String name, Term a, Term b) Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(Tuple o) Applies the term on a data object.
void	bind(StructType schema) Binds the term to a schema.
java.lang.String	name() Returns the name of output values.
java.lang.String	toString()
DataType	type() Returns the data type of output values.
java.util.Set<java.lang.String>	variables() Returns the list of variables used in this term.

Methods inherited from class smile.data.formula.AbstractTerm

equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface smile.data.formula.Term

apply, applyAsBoolean, applyAsByte, applyAsChar, applyAsDouble, applyAsFloat, applyAsInt, applyAsLong, applyAsShort, field, isConstant, isVariable, measure, terms

Constructor Detail

Operator

public Operator(java.lang.String name,
                Term a,
                Term b)

Constructor.

Parameters:

name - the operator name.

a - the left operand.

b - the right operand.

Method Detail

name

public java.lang.String name()

Description copied from interface: Term

Returns the name of output values.

type

public DataType type()

Description copied from interface: Term

Returns the data type of output values.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

variables

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

Description copied from interface: HyperTerm

Returns the list of variables used in this term.

apply

public java.lang.Object apply(Tuple o)

Description copied from interface: Term

Applies the term on a data object.

bind

public void bind(StructType schema)

Description copied from interface: HyperTerm

Binds the term to a schema.