org.basex.data
Class MetaData

java.lang.Object
  org.basex.data.MetaData

public final class MetaData
extends java.lang.Object

This class provides meta information on a database.

Author:

Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary

boolean	atvindex Flag for creating a attribute value index.
boolean	chop Flag for whitespace chopping.
java.lang.String	dbname Database name.
java.lang.String	encoding Encoding of XML document.
boolean	entity Flag for entity parsing.
java.lang.String	filename Original filename of XML document.
long	filesize Original file size of XML document.
boolean	ftxindex Flag for creating a fulltext index.
int	height Maximum document height.
long	lastid Last (highest) id assigned to a node.
long	time Modification time.
boolean	txtindex Flag for creating a text index.
boolean	wrdindex Flag for creating a word index.

Constructor Summary

MetaData(java.lang.String db)
Constructor, specifying the database name.

MetaData(java.lang.String file, java.lang.String db)
Constructor, specifying the database name and the input file.

Method Summary

void	noIndex() Deletes/resets the indexes.
int	read() Opens the metadata for the current database and returns the table size.
static boolean	sameAs(java.lang.String path, java.lang.String db) Checks if the specified database refers to the specified file.
void	write(int siz) Writes the database to the specified path.

Methods inherited from class java.lang.Object

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

Field Detail

atvindex

public boolean atvindex

Flag for creating a attribute value index.

chop

public boolean chop

Flag for whitespace chopping.

dbname

public java.lang.String dbname

Database name.

encoding

public java.lang.String encoding

Encoding of XML document.

entity

public boolean entity

Flag for entity parsing.

filename

public java.lang.String filename

Original filename of XML document.

filesize

public long filesize

Original file size of XML document.

ftxindex

public boolean ftxindex

Flag for creating a fulltext index.

height

public int height

Maximum document height.

lastid

public long lastid

Last (highest) id assigned to a node.

time

public long time

Modification time.

txtindex

public boolean txtindex

Flag for creating a text index.

wrdindex

public boolean wrdindex

Flag for creating a word index.

Constructor Detail

MetaData

public MetaData(java.lang.String db)

Constructor, specifying the database name.

Parameters:

db - database name

MetaData

public MetaData(java.lang.String file,
                java.lang.String db)

Constructor, specifying the database name and the input file.

Parameters:

file - input file

db - database name

Method Detail

noIndex

public void noIndex()

Deletes/resets the indexes.

read

public int read()
         throws java.io.IOException

Opens the metadata for the current database and returns the table size.

Returns:

table size

Throws:

java.io.IOException - IO Exception

sameAs

public static boolean sameAs(java.lang.String path,
                             java.lang.String db)

Checks if the specified database refers to the specified file.

Parameters:

path - file path (incl. file name)

db - database name

Returns:

result of check

write

public void write(int siz)
           throws java.io.IOException

Writes the database to the specified path.

Parameters:

siz - current database size

Throws:

java.io.IOException - IO Exception