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package org.apache.pig;

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

<S> The argument type for the function.
<T> The return type for the function.
<E> The exception type that the function throws.
public interface ExceptionalFunction<S, T, E extends Exception> {

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

item The item to perform work against.
The result of the computation.
E if there was a problem performing the work.
    public T apply(S itemthrows E;
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