DefaultTransformer (VirtualDataSet API)

java.lang.Object
- org.apache.commons.math4.util.DefaultTransformer

All Implemented Interfaces:

java.io.Serializable, NumberTransformer
```
public class DefaultTransformer
extends java.lang.Object
implements NumberTransformer, java.io.Serializable
```
A Default NumberTransformer for java.lang.Numbers and Numeric Strings. This provides some simple conversion capabilities to turn any java.lang.Number into a primitive double or to turn a String representation of a Number into a double.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

DefaultTransformer()

Method Summary

Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`double`	`transform(java.lang.Object o)`	Implementing this interface provides a facility to transform from Object to Double.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DefaultTransformer
```
public DefaultTransformer()
```
- Method Detail
  - transform
```
public double transform(java.lang.Object o)
                 throws NullArgumentException,
                        MathIllegalArgumentException
```
    Description copied from interface: NumberTransformer
    
    Implementing this interface provides a facility to transform from Object to Double.
    
    Specified by:
    
    transform in interface NumberTransformer
    
    Parameters:
    
    o - the object that gets transformed.
    
    Returns:
    
    a double primitive representation of the Object o.
    
    Throws:
    
    NullArgumentException - if Object o is null.
    
    MathIllegalArgumentException - if Object o cannot successfully be transformed
    
    See Also:
    
    Commons Collections Transformer
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object