package com.aliyun.odps.io;
import java.io.IOException;
/**
* Encapsulation class that hosts a collection of input streams, each corresponding
* to a file. This exposes limited access method for getting a SourceInputStream
* at a time from the collection.
**/
public interface InputStreamSet {
/**
* Access method for getting next available stream
* @return: SourceInputStream, or null when there is no more stream.
**/
SourceInputStream next() throws IOException;
}