org.osgl

Interface Lang.Function<T,U>

Type Parameters:

T - the type of input parameter

U - the type of the return value when this function applied to the parameter(s)

All Known Subinterfaces:

Lang.Bijection<X,Y>, Lang.Func1<P1,R>, Lang.MultiplicableFunction<P1,R>

All Known Implementing Classes:

BigDecimalValueObjectCodec, BigIntegerValueObjectCodec, FastJsonObjectCodec, JsonArrayToXmlDocument, JsonObjectToXmlDocument, KeywordValueObjectCodec, KVCodec, Lang.F1, Lang.Operator, Lang.Predicate, Lang.Processor, Lang.Transformer, Lang.TypeConverter, Lang.V1, Lang.Visitor, PreprocessedStringSearch, SimpleObjectFactory, StringValueResolver, XmlDocumentToJsonArray, XmlDocumentToJsonObject

Enclosing class:

Lang

public static interface Lang.Function<T,U>

Define a function structure that accept one parameter. This interface is created to make it easily migrate to Java 8 in the future

Since:

0.2

See Also:

Lang.Func0, Lang.Function, Lang.Func2, Lang.Func3, Lang.Func4, Lang.Func5, Lang.F1

Method Summary

Modifier and Type	Method and Description
U	apply(T t) Apply this function to <T> type parameter.

Method Detail

apply

U apply(T t)
 throws NotAppliedException,
        Lang.Break

Apply this function to <T> type parameter.

In case implementing a partial function, it can throw out an NotAppliedException if the function is not defined for the given parameter(s)

Parameters:

t - the argument

Returns:

U type result

Throws:

NotAppliedException - if the function doesn’t apply to the parameter(s)

Lang.Break - to short cut collecting operations (fold/reduce) on an container