com.nt.udc.io

Class COSARExprRandom

java.lang.Object

com.nt.udc.io.COSARExpr

com.nt.udc.io.COSARExprRandom

public class COSARExprRandom
extends COSARExpr

This class represents the operation returning a random number.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	m_bGenInt This member is true if a random integer is to be returned, otherwise a random double is generated instead.
protected COSARExpr	m_max
protected COSARExpr	m_min These members represent the operands.
protected java.util.Random	m_random This member is the random number generator.
protected COSARAttrDouble	m_valueDouble
protected COSARAttrInt	m_valueInt

Fields inherited from class com.nt.udc.io.COSARExpr

m_bIsConstant

Constructor Summary

Constructors

Constructor and Description
COSARExprRandom(COSARExpr min, COSARExpr max, boolean genInt)

Method Summary

Methods

Modifier and Type	Method and Description
COSARAttr	eval(java.util.HashMap symbols) This function is used to evaluate the expression.
java.lang.String	toString()

Methods inherited from class com.nt.udc.io.COSARExpr

isConstant

Methods inherited from class java.lang.Object

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

Field Detail

m_valueInt

protected COSARAttrInt m_valueInt

m_valueDouble

protected COSARAttrDouble m_valueDouble

m_min

protected COSARExpr m_min

These members represent the operands.

m_max

protected COSARExpr m_max

m_bGenInt

protected boolean m_bGenInt

This member is true if a random integer is to be returned, otherwise a random double is generated instead.

m_random

protected java.util.Random m_random

This member is the random number generator.

Constructor Detail

COSARExprRandom

public COSARExprRandom(COSARExpr min,
               COSARExpr max,
               boolean genInt)
                throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

eval

public COSARAttr eval(java.util.HashMap symbols)
               throws java.lang.Exception

Description copied from class: COSARExpr

This function is used to evaluate the expression. A symbol table is passed to help in retrieving the value of referenced symbols. The HashMap should contain values stored as COSARAttr objects, keyed by their associated symbol's name.

Overrides:

eval in class COSARExpr

Returns:

The expression's value

Throws:

java.lang.Exception

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

A string representation of the OSAR expression