org.basex.index
Class MemValues

java.lang.Object
  org.basex.index.Index
      org.basex.index.MemValues

public final class MemValues
extends Index

This class provides a main-memory access to attribute values and text contents.

Author:

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

Constructor Summary

MemValues()

Method Summary

void	close() Closes the index.
IndexIterator	ids(IndexToken tok) Returns an iterator for the index results.
int	index(byte[] key, int id) Indexes the specified keys and values.
byte[]	info() Returns information on the index structure.
int	nrIDs(IndexToken it) Returns the (approximate/estimated) number of ids for the specified token.
byte[]	token(int id) Returns the token for the specified id.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemValues

public MemValues()

Method Detail

index

public int index(byte[] key,
                 int id)

Indexes the specified keys and values.

Parameters:

key - key

id - id value

Returns:

index position

token

public byte[] token(int id)

Returns the token for the specified id.

Parameters:

id - id

Returns:

token

ids

public IndexIterator ids(IndexToken tok)

Description copied from class: Index

Returns an iterator for the index results.

Specified by:

ids in class Index

Parameters:

tok - token to be found

Returns:

ids

nrIDs

public int nrIDs(IndexToken it)

Description copied from class: Index

Returns the (approximate/estimated) number of ids for the specified token.

Specified by:

nrIDs in class Index

Parameters:

it - token to be found

Returns:

number of ids

info

public byte[] info()

Description copied from class: Index

Returns information on the index structure.

Specified by:

info in class Index

Returns:

info

close

public void close()

Description copied from class: Index

Closes the index.

Specified by:

close in class Index