Package com.broadleafcommerce.rulesengine.expression.util

Class DecimalExpressionVariable

java.lang.Object

com.broadleafcommerce.rulesengine.expression.util.DecimalExpressionVariable

All Implemented Interfaces:

ExpressionVariable

public class DecimalExpressionVariable
extends Object
implements ExpressionVariable

Common, null-safe, decimal operations.

Author:

Nathan Moore (nathandmoore)

Field Summary

Fields

Modifier and Type	Field	Description
static String	NAME

Constructor Summary

Constructors

Constructor	Description
DecimalExpressionVariable()

Method Summary

Modifier and Type	Method	Description
String	getName()
double	maxDoubleValue()	Returns the max double value.
double	minDoubleValue()	Returns the min double value.
double	toDouble(BigDecimal field)	Returns the double value of the BigDecimal field.
double	toDouble(BigDecimal field, double defaultValue)	Returns the double value of the BigDecimal field.

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

DecimalExpressionVariable

public DecimalExpressionVariable()

Method Detail

getName

public String getName()

Specified by:

getName in interface ExpressionVariable

Returns:

Name of the variable, must not be null

toDouble

public double toDouble(@Nullable
                       BigDecimal field)

Returns the double value of the BigDecimal field. If field is null, returns minDoubleValue().

Parameters:

field - BigDecimal to convert to double.

Returns:

the double value of the BigDecimal field or minDoubleValue() if null.

toDouble

public double toDouble(@Nullable
                       BigDecimal field,
                       double defaultValue)

Returns the double value of the BigDecimal field. If field is null, returns defaultValue.

Parameters:

field - BigDecimal to convert to double.

defaultValue - Value to default to if field is null

Returns:

the double value of the BigDecimal field or defaultValue if null.

maxDoubleValue

public double maxDoubleValue()

Returns the max double value.

Returns:

Double.MAX_VALUE

minDoubleValue

public double minDoubleValue()

Returns the min double value.

Returns:

Double.MIN_VALUE