org.apache.commons.collections4.functors

Class StringValueTransformer<T>

java.lang.Object

org.apache.commons.collections4.functors.StringValueTransformer<T>

All Implemented Interfaces:

java.io.Serializable, Transformer<T,java.lang.String>

public final class StringValueTransformer<T>
extends java.lang.Object
implements Transformer<T,java.lang.String>, java.io.Serializable

Transformer implementation that returns the result of calling String.valueOf on the input object.

Since:

3.0

Version:

$Id: StringValueTransformer.java 1543964 2013-11-20 21:53:39Z tn $

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static Transformer<java.lang.Object,java.lang.String>	INSTANCE Singleton predicate instance
private static long	serialVersionUID Serial version UID

Constructor Summary

Constructors

Modifier	Constructor and Description
private	StringValueTransformer() Restricted constructor.

Method Summary

Modifier and Type	Method and Description
private java.lang.Object	readResolve()
static <T> Transformer<T,java.lang.String>	stringValueTransformer() Factory returning the singleton instance.
java.lang.String	transform(T input) Transforms the input to result by calling String.valueOf.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

Serial version UID

See Also:

Constant Field Values

INSTANCE

private static final Transformer<java.lang.Object,java.lang.String> INSTANCE

Singleton predicate instance

Constructor Detail

StringValueTransformer

private StringValueTransformer()

Restricted constructor.

Method Detail

stringValueTransformer

public static <T> Transformer<T,java.lang.String> stringValueTransformer()

Factory returning the singleton instance.

Type Parameters:

T - the input type

Returns:

the singleton instance

Since:

3.1

transform

public java.lang.String transform(T input)

Transforms the input to result by calling String.valueOf.

Specified by:

transform in interface Transformer<T,java.lang.String>

Parameters:

input - the input object to transform

Returns:

the transformed result

readResolve

private java.lang.Object readResolve()