org.apache.pig

Interface ExceptionalFunction<S,T,E extends java.lang.Exception>

Type Parameters:

S - The argument type for the function.

T - The return type for the function.

E - The exception type that the function throws.

All Known Subinterfaces:

Function<S,T>

public interface ExceptionalFunction<S,T,E extends java.lang.Exception>

An interface that captures a unit of work against an item where an exception might be thrown.

Method Summary

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

Method Detail

apply

T apply(S item)
 throws E extends java.lang.Exception

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

Parameters:

item - The item to perform work against.

Returns:

The result of the computation.

Throws:

E - if there was a problem performing the work.

E extends java.lang.Exception