org.anarres.parallelgzip

Class ParallelGZIPOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.anarres.parallelgzip.ParallelGZIPOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ParallelGZIPOutputStream
extends FilterOutputStream

A multi-threaded version of GZIPOutputStream.

Field Summary

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
ParallelGZIPOutputStream(OutputStream out) Creates a ParallelGZIPOutputStream using ParallelGZIPEnvironment.getSharedThreadPool() and Runtime.availableProcessors().
ParallelGZIPOutputStream(OutputStream out, ExecutorService executor)
ParallelGZIPOutputStream(OutputStream out, ExecutorService executor, int nthreads) Deprecated.
ParallelGZIPOutputStream(OutputStream out, int nthreads) Deprecated.

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Constructor Detail

ParallelGZIPOutputStream

@Deprecated
public ParallelGZIPOutputStream(@Nonnull
                                            OutputStream out,
                                            @Nonnull
                                            ExecutorService executor,
                                            @Nonnegative
                                            int nthreads)
                                     throws IOException

Deprecated.

Throws:

IOException

ParallelGZIPOutputStream

@Deprecated
public ParallelGZIPOutputStream(@Nonnull
                                            OutputStream out,
                                            @Nonnegative
                                            int nthreads)
                                     throws IOException

Deprecated.

Creates a ParallelGZIPOutputStream using ParallelGZIPEnvironment.getSharedThreadPool().

Parameters:

out - the eventual output stream for the compressed data.

Throws:

IOException - if it all goes wrong.

ParallelGZIPOutputStream

public ParallelGZIPOutputStream(@Nonnull
                                OutputStream out,
                                @Nonnull
                                ExecutorService executor)
                         throws IOException

Throws:

IOException

ParallelGZIPOutputStream

public ParallelGZIPOutputStream(@Nonnull
                                OutputStream out)
                         throws IOException

Creates a ParallelGZIPOutputStream using ParallelGZIPEnvironment.getSharedThreadPool() and Runtime.availableProcessors().

Parameters:

out - the eventual output stream for the compressed data.

Throws:

IOException - if it all goes wrong.

Method Detail

write

public void write(int b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class FilterOutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class FilterOutputStream

Throws:

IOException