org.basex.index
Class FTBuilder

java.lang.Object
  org.basex.core.Progress
      org.basex.index.FTBuilder

All Implemented Interfaces:

IndexBuilder

public final class FTBuilder
extends Progress
implements IndexBuilder

This class builds an index for text contents in a compressed trie.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Sebastian Gath, Christian Gruen

Constructor Summary

FTBuilder()

Method Summary

FTTrie	build(Data data) Builds the index structure and returns an index instance.
java.lang.String	det() Returns short information on this process.
double	prog() Returns progress information.
java.lang.String	tit() Returns short information on this process.
static long	toLong(int[] i, int p) Converts an int-array to a long value.

Methods inherited from class org.basex.core.Progress

checkStop, detail, progress, progress, stop, title

Methods inherited from class java.lang.Object

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

Constructor Detail

FTBuilder

public FTBuilder()

Method Detail

build

public FTTrie build(Data data)
             throws java.io.IOException

Builds the index structure and returns an index instance.

Specified by:

build in interface IndexBuilder

Parameters:

data - data reference

Returns:

index instance

Throws:

java.io.IOException - IO Exception

toLong

public static long toLong(int[] i,
                          int p)

Converts an int-array to a long value.

Parameters:

i - int-array with the long value

p - position to read from

Returns:

long value

tit

public java.lang.String tit()

Description copied from class: Progress

Returns short information on this process. Can be overwritten to give more detailed information.

Returns:

header information

det

public java.lang.String det()

Description copied from class: Progress

Returns short information on this process.

Overrides:

det in class Progress

Returns:

header information

prog

public double prog()

Description copied from class: Progress

Returns progress information. Can be overwritten to give more detailed information.

Overrides:

prog in class Progress

Returns:

header information