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gnu.java.rmi.activation

Class BidiTable

public class BidiTable
extends Object
The bidirectional hash table, maps both a to b and b to a.

Field Summary

protected Map<K,V>
k2v
Maps keys to values
protected Map<K,V>
v2k
Maps values to keys (in reverse)

Constructor Summary

BidiTable()
Create a new table that is ready to use.
BidiTable(int flags)
Create a new instance where the hashtable fields are not initialised (called from derivatives that intialise hashtables in they own way.

Method Summary

boolean
containsKey(Object key)
Check if the table contains this key.
Object
get(Object key)
Get value from key
Object
getKey(Object value)
Get key by value
Object[]
keys()
Get the key collection.
void
put(Object key, Object value)
Put key-value pair.
void
removeKey(Object key)
Remove the key-value pair by key
void
shutdown()
This method is called before exit and may be used to write the database to the disk.
int
size()
Get the size.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

k2v

protected Map<K,V> k2v
Maps keys to values

v2k

protected Map<K,V> v2k
Maps values to keys (in reverse)

Constructor Details

BidiTable

public BidiTable()
Create a new table that is ready to use.

BidiTable

protected BidiTable(int flags)
Create a new instance where the hashtable fields are not initialised (called from derivatives that intialise hashtables in they own way.
Parameters:
flags - currently used to mark the different constructor only.

Method Details

containsKey

public boolean containsKey(Object key)
Check if the table contains this key.

get

public Object get(Object key)
Get value from key

getKey

public Object getKey(Object value)
Get key by value

keys

public Object[] keys()
Get the key collection.

put

public void put(Object key,
                Object value)
Put key-value pair.

removeKey

public void removeKey(Object key)
Remove the key-value pair by key

shutdown

public void shutdown()
This method is called before exit and may be used to write the database to the disk. The default method does nothing.

size

public int size()
Get the size.
BidiHasthable.java -- Bidirectional hash table. Copyright (C) 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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