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// **********************************************************************
//
// Copyright (c) 2003-2009 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 IceGridGUI.Application;
import java.awt.Component;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import IceGrid.*;
import IceGridGUI.*;
class ReplicaGroup extends TreeNode
{
static public ReplicaGroupDescriptor
copyDescriptor(ReplicaGroupDescriptor d)
{
return (ReplicaGroupDescriptor)d.clone();
}
public Component getTreeCellRendererComponent(
JTree tree,
Object value,
boolean sel,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus)
{
if(_cellRenderer == null)
{
_cellRenderer = new DefaultTreeCellRenderer();
_cellRenderer.setLeafIcon(Utils.getIcon("/icons/16x16/replica_group.png"));
}
return _cellRenderer.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
}
//
// Actions
//
public boolean[] getAvailableActions()
{
boolean[] actions = new boolean[ACTION_COUNT];
actions[COPY] = !_ephemeral;
if(((TreeNode)_parent).getAvailableActions()[PASTE])
{
actions[PASTE] = true;
}
actions[DELETE] = true;
if(!_ephemeral)
{
actions[SHOW_VARS] = true;
actions[SUBSTITUTE_VARS] = true;
}
return actions;
}
public void copy()
{
getCoordinator().setClipboard(copyDescriptor(_descriptor));
getCoordinator().getActionsForMenu().get(PASTE).setEnabled(true);
}
public void paste()
{
((TreeNode)_parent).paste();
}
public void destroy()
{
ReplicaGroups replicaGroups = (ReplicaGroups)_parent;
replicaGroups.removeChild(this);
if(!_ephemeral)
{
replicaGroups.removeDescriptor(_descriptor);
replicaGroups.getEditable().removeElement(_id, _editable, ReplicaGroup.class);
getRoot().updated();
}
}
public Editor getEditor()
{
if(_editor == null)
{
_editor = (ReplicaGroupEditor)getRoot().getEditor(ReplicaGroupEditor.class, this);
}
_editor.show(this);
return _editor;
}
protected Editor createEditor()
{
return new ReplicaGroupEditor();
}
public boolean isEphemeral()
{
return _ephemeral;
}
Object getDescriptor()
{
return _descriptor;
}
Object saveDescriptor()
{
return _descriptor.clone();
}
void restoreDescriptor(Object savedDescriptor)
{
ReplicaGroupDescriptor clone = (ReplicaGroupDescriptor)savedDescriptor;
_descriptor.id = clone.id;
_descriptor.description = clone.description;
_descriptor.objects = clone.objects;
_descriptor.loadBalancing = clone.loadBalancing;
}
void commit()
{
_editable.commit();
}
Editable getEditable()
{
return _editable;
}
ReplicaGroup(boolean brandNew, TreeNode parent, ReplicaGroupDescriptor descriptor)
{
super(parent, descriptor.id);
_ephemeral = false;
_editable = new Editable(brandNew);
rebuild(descriptor);
}
ReplicaGroup(TreeNode parent, ReplicaGroupDescriptor descriptor)
{
super(parent, descriptor.id);
_ephemeral = true;
_editable = null;
rebuild(descriptor);
}
void write(XMLWriter writer)
throws java.io.IOException
{
if(!_ephemeral)
{
java.util.List<String[]> attributes = new java.util.LinkedList<String[]>();
attributes.add(createAttribute("id", _descriptor.id));
if(_descriptor.loadBalancing == null &&
_descriptor.description.length() == 0 && _descriptor.objects.isEmpty())
{
writer.writeElement("replica-group", attributes);
}
else
{
writer.writeStartTag("replica-group", attributes);
if(_descriptor.description.length() > 0)
{
writer.writeElement("description", _descriptor.description);
}
assert _descriptor.loadBalancing != null;
attributes.clear();
if(_descriptor.loadBalancing instanceof RandomLoadBalancingPolicy)
{
attributes.add(createAttribute("type", "random"));
}
else if(_descriptor.loadBalancing instanceof OrderedLoadBalancingPolicy)
{
attributes.add(createAttribute("type", "ordered"));
}
else if(_descriptor.loadBalancing instanceof RoundRobinLoadBalancingPolicy)
{
attributes.add(createAttribute("type", "round-robin"));
}
else if(_descriptor.loadBalancing instanceof AdaptiveLoadBalancingPolicy)
{
attributes.add(createAttribute("type", "adaptive"));
AdaptiveLoadBalancingPolicy policy = (AdaptiveLoadBalancingPolicy)_descriptor.loadBalancing;
attributes.add(createAttribute("load-sample", policy.loadSample));
}
attributes.add(createAttribute("n-replicas", _descriptor.loadBalancing.nReplicas));
writer.writeElement("load-balancing", attributes);
writeObjects("object", writer, _descriptor.objects, null);
writer.writeEndTag("replica-group");
}
}
}
void rebuild(ReplicaGroupDescriptor descriptor)
{
_descriptor = descriptor;
//
// And that's it since there is no children
//
}
private ReplicaGroupDescriptor _descriptor;
private final boolean _ephemeral;
private final Editable _editable;
private ReplicaGroupEditor _editor;
static private DefaultTreeCellRenderer _cellRenderer;
}
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