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https://github.com/Alfresco/alfresco-community-repo.git
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4e2300f095
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5186 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
128 lines
3.6 KiB
Java
128 lines
3.6 KiB
Java
/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.filesys.server.filesys;
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import java.util.Enumeration;
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import java.util.Hashtable;
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/**
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* Tree Connection Hash Class
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* <p>
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* Hashtable of TreeConnections for the available disk shared devices. TreeConnections are indexed
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* using the hash of the share name to allow mounts to be persistent across server restarts.
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*/
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public class TreeConnectionHash
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{
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// Share name hash to tree connection
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private Hashtable<Integer, TreeConnection> m_connections;
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/**
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* Class constructor
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*/
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public TreeConnectionHash()
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{
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m_connections = new Hashtable<Integer, TreeConnection>();
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}
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/**
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* Return the number of tree connections in the hash table
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*
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* @return int
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*/
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public final int numberOfEntries()
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{
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return m_connections.size();
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}
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/**
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* Add a connection to the list of available connections
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*
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* @param tree TreeConnection
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*/
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public final void addConnection(TreeConnection tree)
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{
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m_connections.put(tree.getSharedDevice().getName().hashCode(), tree);
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}
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/**
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* Delete a connection from the list
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*
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* @param shareName String
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* @return TreeConnection
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*/
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public final TreeConnection deleteConnection(String shareName)
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{
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return (TreeConnection) m_connections.get(shareName.hashCode());
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}
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/**
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* Find a connection for the specified share name
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*
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* @param shareName String
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* @return TreeConnection
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*/
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public final TreeConnection findConnection(String shareName)
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{
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// Get the tree connection for the associated share name
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TreeConnection tree = m_connections.get(shareName.hashCode());
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// Return the tree connection
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return tree;
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}
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/**
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* Find a connection for the specified share name hash code
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*
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* @param hashCode int
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* @return TreeConnection
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*/
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public final TreeConnection findConnection(int hashCode)
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{
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// Get the tree connection for the associated share name
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TreeConnection tree = m_connections.get(hashCode);
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// Return the tree connection
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return tree;
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}
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/**
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* Enumerate the connections
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*
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* @return Enumeration<TreeConnection>
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*/
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public final Enumeration<TreeConnection> enumerateConnections()
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{
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return m_connections.elements();
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}
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}
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