org.basex.index
Class IndexBuilder

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

Direct Known Subclasses:

FTFuzzyBuilder, FTTrieBuilder, ValueBuilder

public abstract class IndexBuilder
extends Progress

This interface defines the functions which are needed for building new index structures.

Author:

Workgroup DBIS, University of Konstanz 2005-09, ISC License, Christian Gruen

Constructor Summary

IndexBuilder(Data d)
Constructor.

Method Summary

abstract Index	build() Builds the index structure and returns an index instance.
void	checkStop() Checks if the progress was interrupted; if yes, sends a runtime exception.
double	prog() Returns progress information.
java.lang.String	tit() Returns short information on this process.

Methods inherited from class org.basex.core.Progress

det, detail, progress, progress, stop, title

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexBuilder

public IndexBuilder(Data d)

Constructor.

Parameters:

d - reference

Method Detail

build

public abstract Index build()
                     throws java.io.IOException

Builds the index structure and returns an index instance.

Returns:

index instance

Throws:

java.io.IOException - IO Exception

checkStop

public void checkStop()

Description copied from class: Progress

Checks if the progress was interrupted; if yes, sends a runtime exception.

Overrides:

checkStop in class Progress

tit

public final java.lang.String tit()

Description copied from class: Progress

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

Overrides:

tit 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