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JGL - The Generic Collection Library for Java
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Class com.objectspace.jgl.functions.MinusNumber 

java.lang.Object
   |
   +----com.objectspace.jgl.functions.MinusNumber
public final class MinusNumber
extends Object
implements BinaryFunction
MinusNumber is a binary function that assumes that both of its operands are instances of Number and returns the second operand subtracted from the first operand.

See Also:
Number, BigInteger, BigDecimal

Constructor Index

o MinusNumber()
Construct myself to use intValue() for operation.
o MinusNumber(Class)
Construct myself to operate on objects of the given class.

Method Index

o execute(Object, Object)
Return the result of subtracting the second operand from the first operand.

Constructors

o MinusNumber 
 public MinusNumber()
Construct myself to use intValue() for operation.

o MinusNumber 
 public MinusNumber(Class discriminator)
Construct myself to operate on objects of the given class. The class must be derived from java.lang.Number.

Parameters:
discriminator - The class of objects on which I will be operating.
Throws: IllegalArgumentException
Throw if discriminator is not an instance of java.lang.Number.

Methods

o execute 
 public Object execute(Object first,
                       Object second)
Return the result of subtracting the second operand from the first operand. Be aware that some floating point conversions are not exact, and may cause unexpected results due to rounding.

Parameters:
first - The first operand, which must be an instance of Number.
second - The second operand, which must be an instance of Number.
Returns:
first - second
Throws: InvalidOperationException
Throw if I don't know how to interpret the values. 
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