org.apache.lucene.util.encoding
Class FourFlagsIntDecoder

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

Direct Known Subclasses:

NOnesIntDecoder

public class FourFlagsIntDecoder
extends IntDecoder

Decodes data which was encoded by FourFlagsIntEncoder. Scans the indicator, one flag (1-bits) at a time, and decodes extra data using VInt8IntDecoder.

See Also:

FourFlagsIntEncoder

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

FourFlagsIntDecoder()

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

FourFlagsIntDecoder

public FourFlagsIntDecoder()

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.

Specified by:

decode in class IntDecoder

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 IntDecoder

toString

public String toString()

Overrides:

toString in class Object