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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.Model;
import IceGrid.NodeDynamicInfo;
import IceGrid.NodeUpdateDescriptor;
import IceGrid.ServerDynamicInfo;
import IceGrid.AdapterDynamicInfo;
import IceGrid.ServerDescriptor;
import IceGrid.ServerInstanceDescriptor;
import IceGrid.ServerState;
import IceGrid.TemplateDescriptor;
import IceGrid.Utils;
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(_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()
{
_up = true;
fireNodeChangedEvent(this);
}
boolean down()
{
_up = false;
if(_descriptor == null)
{
return true;
}
else
{
fireNodeChangedEvent(this);
return false;
}
}
public void cleanup()
{
java.util.Iterator p = _children.iterator();
while(p.hasNext())
{
Server server = (Server)p.next();
server.cleanup();
}
}
NodeDescriptor update(NodeUpdateDescriptor update, Application application)
{
if(_descriptor == null)
{
NodeDescriptor descriptor = new NodeDescriptor(update.variables,
update.serverInstances,
update.servers);
init(descriptor, application, true);
return _descriptor;
}
//
// Otherwise it's a real update
//
//
// Variables
//
for(int i = 0; i < update.removeVariables.length; ++i)
{
_descriptor.variables.remove(update.removeVariables[i]);
}
_descriptor.variables.putAll(update.variables);
//
// One big set of removes
//
removeChildren(update.removeServers);
//
// Update _descriptor
//
for(int i = 0; i < update.removeServers.length; ++i)
{
_descriptor.serverInstances.remove(update.removeServers[i]);
_descriptor.servers.remove(update.removeServers[i]);
}
//
// One big set of updates, followed by inserts
//
java.util.Vector newChildren = new java.util.Vector();
java.util.Vector updatedChildren = new java.util.Vector();
java.util.Iterator p = update.serverInstances.iterator();
while(p.hasNext())
{
ServerInstanceDescriptor instanceDescriptor =
(ServerInstanceDescriptor)p.next();
//
// Find template
//
TemplateDescriptor templateDescriptor =
application.findServerTemplateDescriptor(instanceDescriptor.template);
assert templateDescriptor != null;
ServerDescriptor serverDescriptor =
(ServerDescriptor)templateDescriptor.descriptor;
assert serverDescriptor != null;
//
// Build resolver
//
Utils.Resolver instanceResolver =
new Utils.Resolver(_resolver, instanceDescriptor.parameterValues);
String serverId = instanceResolver.substitute(serverDescriptor.id);
instanceResolver.put("server", serverId);
//
// Lookup server
//
Server server = (Server)findChild(serverId);
if(server != null)
{
server.rebuild(instanceResolver, instanceDescriptor, serverDescriptor,
application);
updatedChildren.add(server);
}
else
{
server = new Server(serverId, instanceResolver, instanceDescriptor,
serverDescriptor, application);
newChildren.add(server);
_descriptor.serverInstances.add(instanceDescriptor);
}
}
//
// Plain servers
//
p = update.servers.iterator();
while(p.hasNext())
{
ServerDescriptor serverDescriptor = (ServerDescriptor)p.next();
//
// Build resolver
//
Utils.Resolver instanceResolver = new Utils.Resolver(_resolver);
String serverId = instanceResolver.substitute(serverDescriptor.id);
instanceResolver.put("server", serverId);
//
// Lookup server
//
Server server = (Server)findChild(serverId);
if(server != null)
{
server.rebuild(instanceResolver, null, serverDescriptor,
application);
updatedChildren.add(server);
}
else
{
server = new Server(serverId, instanceResolver, null,
serverDescriptor, application);
newChildren.add(server);
_descriptor.servers.add(serverDescriptor);
}
}
updateChildren((CommonBaseI[])updatedChildren.toArray(new CommonBaseI[0]));
addChildren((CommonBaseI[])newChildren.toArray(new CommonBaseI[0]));
p = newChildren.iterator();
while(p.hasNext())
{
Server server = (Server)p.next();
server.setParent(this);
}
return null;
}
Node(String nodeName, Model model)
{
super(nodeName, model);
_up = true;
}
Node(String nodeName, NodeDescriptor descriptor, Application application)
{
super(nodeName, application.getModel());
init(descriptor, application, false);
}
void init(NodeDescriptor descriptor, Application application, boolean fireEvent)
{
assert _descriptor == null;
_descriptor = descriptor;
_resolver = new Utils.Resolver(new java.util.Map[]
{_descriptor.variables, application.getVariables()});
_resolver.put("application", application.getId());
_resolver.put("node", getId());
//
// Template instances
//
java.util.Iterator p = _descriptor.serverInstances.iterator();
while(p.hasNext())
{
ServerInstanceDescriptor instanceDescriptor =
(ServerInstanceDescriptor)p.next();
//
// Find template
//
TemplateDescriptor templateDescriptor =
application.findServerTemplateDescriptor(instanceDescriptor.template);
assert templateDescriptor != null;
ServerDescriptor serverDescriptor =
(ServerDescriptor)templateDescriptor.descriptor;
assert serverDescriptor != null;
//
// Build resolver
//
Utils.Resolver instanceResolver =
new Utils.Resolver(_resolver, instanceDescriptor.parameterValues);
String serverId = instanceResolver.substitute(serverDescriptor.id);
instanceResolver.put("server", serverId);
//
// Create server
//
Server server = new Server(serverId, instanceResolver, instanceDescriptor,
serverDescriptor, application);
addChild(server);
server.setParent(this);
}
//
// Plain servers
//
p = _descriptor.servers.iterator();
while(p.hasNext())
{
ServerDescriptor serverDescriptor = (ServerDescriptor)p.next();
//
// Build resolver
//
Utils.Resolver instanceResolver = new Utils.Resolver(_resolver);
String serverId = instanceResolver.substitute(serverDescriptor.id);
instanceResolver.put("server", serverId);
//
// Create server
//
Server server = new Server(serverId, instanceResolver, null, serverDescriptor,
application);
addChild(server);
server.setParent(this);
}
if(fireEvent)
{
fireNodeChangedEvent(this);
}
}
private NodeDescriptor _descriptor;
private Utils.Resolver _resolver;
private boolean _up = false;
private java.util.Map _serverDynamicInfoMap;
static private DefaultTreeCellRenderer _cellRenderer;
static private Icon _nodeUpOpen;
static private Icon _nodeUpClosed;
static private Icon _nodeDownOpen;
static private Icon _nodeDownClosed;
}
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