org.apache.lucene.util.encoding
Class NOnesIntDecoder

java.lang.Object
  org.apache.lucene.util.encoding.IntDecoder
      org.apache.lucene.util.encoding.FourFlagsIntDecoder
          org.apache.lucene.util.encoding.NOnesIntDecoder

public class NOnesIntDecoder
extends FourFlagsIntDecoder

Decodes data which was encoded by NOnesIntEncoder. Uses a FourFlagsIntDecoder to perform the actual encoding and translates the values back as described in NOnesIntEncoder.

See Also:

NOnesIntEncoder

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields inherited from class org.apache.lucene.util.encoding.IntDecoder

EOS, in

Constructor Summary

NOnesIntDecoder(int n)
Constructs a decoder with a given N (Number of consecutive '1's which are translated into a single target value '2'.

Method Summary

long	decode() Decodes data received from the input stream, and returns one decoded integer.
void	reInit(InputStream in) Sets the input stream from which the encoded data is read.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NOnesIntDecoder

public NOnesIntDecoder(int n)

Constructs a decoder with a given N (Number of consecutive '1's which are translated into a single target value '2'.

Method Detail

decode

public long decode()
            throws IOException

Description copied from class: IntDecoder

Decodes data received from the input stream, and returns one decoded integer. If end of stream is reached, IntDecoder.EOS is returned.

Overrides:

decode in class FourFlagsIntDecoder

Returns:

one decoded integer as long or IntDecoder.EOS if end-of-stream reached.

Throws:

IOException - if an I/O error occurs

reInit

public void reInit(InputStream in)

Description copied from class: IntDecoder

Sets the input stream from which the encoded data is read.

Overrides:

reInit in class FourFlagsIntDecoder

toString

public String toString()

Overrides:

toString in class FourFlagsIntDecoder