Package com.puresoltechnologies.streaming.streams

Class GeneratingInputStream

java.lang.Object

java.io.InputStream

com.puresoltechnologies.streaming.streams.GeneratingInputStream

public class GeneratingInputStream
extends java.io.InputStream

This input stream is used to generate a sequence of bytes into a stream. This can be used to generate artificial series of bytes for testing or mathematical formulas.

Author:

Rick-Rainer Ludwig

Constructor Summary

Constructors

Constructor	Description
GeneratingInputStream(java.util.function.BiFunction<java.lang.Long,java.lang.Integer,java.lang.Integer> function)	This constructor instantiates the class by providing a function to generate the bytes.

Method Summary

Modifier and Type	Method	Description
int	read()

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, read, readAllBytes, readNBytes, reset, skip, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GeneratingInputStream

public GeneratingInputStream(java.util.function.BiFunction<java.lang.Long,java.lang.Integer,java.lang.Integer> function)

This constructor instantiates the class by providing a function to generate the bytes.

Parameters:

function - is a Function to provide the bytes to be read in. The values need to be in the range of 0 to 255. -1 signals the end of the generated data and all following bytes need to be -1 as well. The provided input values into the function are the number of already generated values and the last value generated. The very first last value is null;

Method Detail

read

public int read()

Specified by:

read in class java.io.InputStream