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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGrid.TreeNode;
import java.awt.Component;
import javax.swing.JTree;
import javax.swing.Icon;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.DefaultTreeCellRenderer;
import IceGrid.NodeDescriptor;
import IceGrid.Utils;
import IceGrid.Model;
import IceGrid.NodeDynamicInfo;
import IceGrid.ServerDynamicInfo;
import IceGrid.AdapterDynamicInfo;
import IceGrid.ServerState;
class Node extends Parent
{
//
// Node creation/deletion/renaming is done by starting/restarting
// an IceGridNode process. Not through admin calls.
//
//
// TODO: consider showing per-application node variables
//
public Component getTreeCellRendererComponent(
JTree tree,
Object value,
boolean sel,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus)
{
if(_cellRenderer == null)
{
//
// Initialization
//
_cellRenderer = new DefaultTreeCellRenderer();
_nodeUpOpen = Utils.getIcon("/icons/node_up_open.png");
_nodeDownOpen = Utils.getIcon("/icons/node_down_open.png");
_nodeUpClosed = Utils.getIcon("/icons/node_up_closed.png");
_nodeDownClosed = Utils.getIcon("/icons/node_down_closed.png");
}
//
// TODO: separate icons for open and close
//
if(_serverInfoMap != null) // up
{
_cellRenderer.setToolTipText("Up and running");
if(expanded)
{
_cellRenderer.setOpenIcon(_nodeUpOpen);
}
else
{
_cellRenderer.setClosedIcon(_nodeUpClosed);
}
}
else
{
_cellRenderer.setToolTipText("Not running");
if(expanded)
{
_cellRenderer.setOpenIcon(_nodeDownOpen);
}
else
{
_cellRenderer.setClosedIcon(_nodeDownClosed);
}
}
return _cellRenderer.getTreeCellRendererComponent(
tree, value, sel, expanded, leaf, row, hasFocus);
}
void up(java.util.Map serverInfoMap, java.util.Map adapterInfoMap)
{
_serverInfoMap = serverInfoMap;
_adapterInfoMap = adapterInfoMap;
//
// Update the state of all servers
//
java.util.Iterator p = _children.iterator();
while(p.hasNext())
{
ServerInstance child = (ServerInstance)p.next();
ServerDynamicInfo info =
(ServerDynamicInfo)_serverInfoMap.get(child.getId());
if(info == null)
{
info = _inactiveServerDynamicInfo;
}
child.updateDynamicInfo(info);
}
//
// Update the state of all adapters
//
p = _adapters.entrySet().iterator();
while(p.hasNext())
{
java.util.Map.Entry entry = (java.util.Map.Entry)p.next();
String id = (String) entry.getKey();
Adapter adapter = (Adapter)entry.getValue();
Ice.ObjectPrx proxy = (Ice.ObjectPrx)_adapterInfoMap.get(id);
adapter.updateProxy(proxy);
}
fireNodeChangedEvent(this);
}
void down()
{
_serverInfoMap = null;
_adapterInfoMap = null;
//
// Update the state of all servers
//
java.util.Iterator p = _children.iterator();
while(p.hasNext())
{
ServerInstance child = (ServerInstance)p.next();
child.updateDynamicInfo(_unknownServerDynamicInfo);
}
//
// Update the state of all adapters
//
p = _adapters.values().iterator();
while(p.hasNext())
{
Adapter adapter = (Adapter)p.next();
adapter.updateProxy(null);
}
fireNodeChangedEvent(this);
}
void updateServer(ServerDynamicInfo info)
{
//
// NodeViewRoot updates the map
//
ServerInstance child = (ServerInstance)findChild(info.name);
if(child != null)
{
child.updateDynamicInfo(info);
}
}
ServerDynamicInfo getServerDynamicInfo(String serverName)
{
if(_serverInfoMap == null)
{
return _unknownServerDynamicInfo;
}
else
{
Object obj = _serverInfoMap.get(serverName);
if(obj == null)
{
return _inactiveServerDynamicInfo;
}
else
{
return (ServerDynamicInfo)obj;
}
}
}
void updateAdapter(AdapterDynamicInfo info)
{
//
// NodeViewRoot updates the map
//
Adapter adapter = (Adapter)_adapters.get(info.id);
if(adapter != null)
{
adapter.updateProxy(info.proxy);
}
}
Node(String applicationName, Model model, NodeDescriptor descriptor,
java.util.Map serverInfoMap, java.util.Map adapterInfoMap)
{
super(descriptor.name, model);
_serverInfoMap = serverInfoMap;
_adapterInfoMap = adapterInfoMap;
_applicationMap.put(applicationName, descriptor);
}
void addApplication(String applicationName, NodeDescriptor descriptor)
{
_applicationMap.put(applicationName, descriptor);
}
//
// Returns true when this node should be destroyed
//
boolean removeApplication(String applicationName)
{
_applicationMap.remove(applicationName);
return (_applicationMap.size() == 0);
}
//
// The node maintains a map adapter id => Adapter
//
Ice.ObjectPrx registerAdapter(String id, Adapter adapter)
{
_adapters.put(id, adapter);
Ice.ObjectPrx result = null;
if(_adapterInfoMap != null)
{
result = (Ice.ObjectPrx)_adapterInfoMap.get(id);
}
return result;
}
void unregisterAdapter(String id)
{
_adapters.remove(id);
}
private java.util.Map _applicationMap = new java.util.HashMap();
private java.util.Map _serverInfoMap;
private java.util.Map _adapterInfoMap;
//
// Adapter id => Adapter
//
private java.util.Map _adapters = new java.util.HashMap();
static private DefaultTreeCellRenderer _cellRenderer;
static private Icon _nodeUpOpen;
static private Icon _nodeUpClosed;
static private Icon _nodeDownOpen;
static private Icon _nodeDownClosed;
static private ServerDynamicInfo _unknownServerDynamicInfo =
new ServerDynamicInfo();
static private ServerDynamicInfo _inactiveServerDynamicInfo =
new ServerDynamicInfo(null, ServerState.Inactive, 0);
}
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