Class StringValueTransformer<T>
- java.lang.Object
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- org.apache.commons.collections4.functors.StringValueTransformer<T>
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- 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 callingString.valueOf
on the input object.- Since:
- 3.0
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static Transformer<java.lang.Object,java.lang.String>
INSTANCE
Singleton predicate instanceprivate static long
serialVersionUID
Serial version UID
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Constructor Summary
Constructors Modifier Constructor Description private
StringValueTransformer()
Restricted constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method 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 callingString.valueOf
.
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Field Detail
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serialVersionUID
private static final long serialVersionUID
Serial version UID- See Also:
- Constant Field Values
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INSTANCE
private static final Transformer<java.lang.Object,java.lang.String> INSTANCE
Singleton predicate instance
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Method Detail
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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
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transform
public java.lang.String transform(T input)
Transforms the input to result by callingString.valueOf
.- Specified by:
transform
in interfaceTransformer<T,java.lang.String>
- Parameters:
input
- the input object to transform- Returns:
- the transformed result
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readResolve
private java.lang.Object readResolve()
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