csheets.core.formula.lang
Class LessThan

java.lang.Object
  csheets.core.formula.lang.RelationalOperator
      csheets.core.formula.lang.LessThan

All Implemented Interfaces:

BinaryOperator, Operator, Serializable

public class LessThan
extends RelationalOperator

A relational less-than operator.

Author:

Einar Pehrson

See Also:

Serialized Form

Constructor Summary

LessThan()
Creates a new relational less-than operator.

Method Summary

<T> boolean	compare(Comparable<T> left, T right) Applies the operator to the given operands and returns a boolean value.
String	getIdentifier() Returns the operator's string identirifer.
Value.Type	getOperandValueType() Returns the type of value that the operator's operands can have.
String	toString()

Methods inherited from class csheets.core.formula.lang.RelationalOperator

applyTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LessThan

public LessThan()

Creates a new relational less-than operator.

Method Detail

compare

public <T> boolean compare(Comparable<T> left,
                           T right)

Description copied from class: RelationalOperator

Applies the operator to the given operands and returns a boolean value.

Specified by:

compare in class RelationalOperator

Parameters:

left - the value of the left operand

right - the value of the right operand

Returns:

the result of the comparison

getIdentifier

public String getIdentifier()

Description copied from interface: Operator

Returns the operator's string identirifer.

Returns:

a string representation of the operator.

getOperandValueType

public Value.Type getOperandValueType()

Description copied from interface: Operator

Returns the type of value that the operator's operands can have.

Specified by:

getOperandValueType in interface Operator

Overrides:

getOperandValueType in class RelationalOperator

Returns:

the type of value that the operator's operands can have

toString

public String toString()

Overrides:

toString in class RelationalOperator