com.bigdata.bfs
Class FileVersionInputStream

java.lang.Object
  java.io.InputStream
      com.bigdata.bfs.FileVersionInputStream

All Implemented Interfaces:

Closeable

public class FileVersionInputStream
extends InputStream

Reads from blocks visited by a range scan for a file and version.

Version:

$Id: FileVersionInputStream.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Field Summary

protected String	id
protected int	version

Constructor Summary

FileVersionInputStream(String id, int version, ITupleIterator src)

Method Summary

long	getBlock() The current block identifier.
String	getId() The file identifier.
int	getVersion() The file version identifer.
int	read()
int	read(byte[] b, int off, int len) Overriden for greater efficiency.

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

id

protected final String id

version

protected final int version

Constructor Detail

FileVersionInputStream

public FileVersionInputStream(String id,
                              int version,
                              ITupleIterator src)

Method Detail

getId

public String getId()

The file identifier.

getVersion

public int getVersion()

The file version identifer.

getBlock

public long getBlock()

The current block identifier.

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

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

Overriden for greater efficiency.

Overrides:

read in class InputStream

Throws:

IOException