org.apache.pig

Interface Function<S,T>

Type Parameters:

S - The argument type for the function.

T - The return type for the function.

All Superinterfaces:

ExceptionalFunction<S,T,java.lang.RuntimeException>, com.google.common.base.Function<S,T>

public interface Function<S,T>
extends ExceptionalFunction<S,T,java.lang.RuntimeException>, com.google.common.base.Function<S,T>

A convenience typedef that ties into both google's Function and ExceptionalFunction.

Method Summary

Methods

Modifier and Type	Method and Description
T	apply(S item) Performs a unit of work on item, possibly throwing E in the process.

Methods inherited from interface com.google.common.base.Function

equals

Method Detail

apply

T apply(S item)

Description copied from interface: ExceptionalFunction

Performs a unit of work on item, possibly throwing E in the process.

Specified by:

apply in interface ExceptionalFunction<S,T,java.lang.RuntimeException>

Specified by:

apply in interface com.google.common.base.Function<S,T>

Parameters:

item - The item to perform work against.

Returns:

The result of the computation.