Package com.aquima.interactions.expressions.optimizer.nodes

Class ArithmeticExpression

java.lang.Object

com.aquima.interactions.expressions.optimizer.nodes.ArithmeticExpression

All Implemented Interfaces:

IExpressionNode, Serializable

public class ArithmeticExpression
extends Object
implements IExpressionNode

The arithmetic expression is used to compute a new value using two single values.

Since:

6.4

Author:

O. Kerpershoek

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ArithmeticExpression(DataType resultType, IExpressionNode left, Operator opr, IExpressionNode right)	Constructs the arithmetic expression with the required arguments.

Method Summary

Modifier and Type	Method	Description
IValue	evaluate(IValueEnvironment environment)	This method evaluates the node using the environment passed as argument and returns the result as a value or null if the result is unknown.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

ArithmeticExpression

public ArithmeticExpression(DataType resultType,
 IExpressionNode left,
 Operator opr,
 IExpressionNode right)

Constructs the arithmetic expression with the required arguments.

Parameters:

resultType - The type the result should be converted to (determined in the semantics).

left - The left hand side expression.

opr - The operator that should be used when comparing.

right - The right hand side expression.

Method Details

evaluate

public IValue evaluate(IValueEnvironment environment)

Description copied from interface: IExpressionNode

This method evaluates the node using the environment passed as argument and returns the result as a value or null if the result is unknown.

Specified by:

evaluate in interface IExpressionNode

Parameters:

environment - The environment that should be used when evaluating the node.

Returns:

The result of the evaluation, or null if the result is unknown.

toString

public String toString()

Overrides:

toString in class Object