org.basex.core
Class DataPool

java.lang.Object
  org.basex.core.DataPool

public final class DataPool
extends java.lang.Object

This class organizes all currently opened database.

Author:

Workgroup DBIS, University of Konstanz 2005-09, ISC License, Andreas Weiler

Constructor Summary

DataPool()

Method Summary

void	add(Data d) Adds a data reference to the pool.
void	close() Closes all data references.
Data	pin(java.lang.String db) Returns an existing data reference for the specified database, or null.
boolean	unpin(Data d) Unpins a data reference.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataPool

public DataPool()

Method Detail

pin

public Data pin(java.lang.String db)

Returns an existing data reference for the specified database, or null.

Parameters:

db - name of the database

Returns:

data reference

unpin

public boolean unpin(Data d)

Unpins a data reference.

Parameters:

d - data reference

Returns:

true if reference was removed from the pool

add

public void add(Data d)

Adds a data reference to the pool.

Parameters:

d - data reference

close

public void close()

Closes all data references.