dos2unix

1 files changed, 413 insertions, 413 deletions

diff --git a/java/src/IceGridGUI/Application/ReplicaGroupEditor.java b/java/src/IceGridGUI/Application/ReplicaGroupEditor.java
index b935967c004..7a27b704812 100755
--- a/java/src/IceGridGUI/Application/ReplicaGroupEditor.java
+++ b/java/src/IceGridGUI/Application/ReplicaGroupEditor.java
@@ -1,413 +1,413 @@
-// **********************************************************************

-//

-// Copyright (c) 2003-2006 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.event.ActionEvent;

-import java.awt.event.ItemEvent;

-import java.awt.event.ItemListener;

-

-import javax.swing.AbstractAction;

-import javax.swing.Action;

-import javax.swing.DefaultComboBoxModel;

-import javax.swing.JButton;

-import javax.swing.JCheckBox;

-import javax.swing.JComboBox;

-import javax.swing.JLabel;

-import javax.swing.JOptionPane;

-import javax.swing.JScrollPane;

-import javax.swing.JTextArea;

-import javax.swing.JTextField;

-

-import com.jgoodies.forms.builder.DefaultFormBuilder;

-import com.jgoodies.forms.layout.CellConstraints;

-

-import IceGrid.*;

-import IceGridGUI.*;

-

-class ReplicaGroupEditor extends Editor

-{

-    protected boolean applyUpdate()

-    {

-	ReplicaGroup replicaGroup = (ReplicaGroup)_target;

-	Root root = replicaGroup.getRoot();

-

-	root.disableSelectionListener();

-	try

-	{

-	    if(replicaGroup.isEphemeral())

-	    {

-		ReplicaGroups replicaGroups = (ReplicaGroups)replicaGroup.getParent();

-		writeDescriptor();

-		ReplicaGroupDescriptor descriptor = 

-		    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();

-		replicaGroup.destroy(); // just removes the child

-		

-		try

-		{

-		    replicaGroups.tryAdd(descriptor, true);

-		}

-		catch(UpdateFailedException e)

-		{

-		    //

-		    // Add back ephemeral child

-		    //

-		    try

-		    {

-			replicaGroups.insertChild(replicaGroup, true);

-		    }

-		    catch(UpdateFailedException die)

-		    {

-			assert false;

-		    }

-		    root.setSelectedNode(replicaGroup);

-		    

-		    JOptionPane.showMessageDialog(

-			root.getCoordinator().getMainFrame(),

-			e.toString(),

-			"Apply failed",

-			JOptionPane.ERROR_MESSAGE);

-		    return false;

-		}

-

-		//

-		// Success

-		//

-		_target = replicaGroups.findChildWithDescriptor(descriptor);

-		root.updated();

-	    }

-	    else if(isSimpleUpdate())

-	    {

-		writeDescriptor();

-		root.updated();

-		replicaGroup.getEditable().markModified();

-	    }

-	    else

-	    {

-		//

-		// Save to be able to rollback

-		//

-		Object savedDescriptor = replicaGroup.saveDescriptor();

-		ReplicaGroups replicaGroups = (ReplicaGroups)replicaGroup.getParent();

-		writeDescriptor();

-		ReplicaGroupDescriptor descriptor = 

-		    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();

-		

-		replicaGroups.removeChild(replicaGroup);	    

-		try

-		{

-		    replicaGroups.tryAdd(descriptor, false);

-		}

-		catch(UpdateFailedException e)

-		{

-		    //

-		    // Restore all

-		    //

-		    try

-		    {

-			replicaGroups.insertChild(replicaGroup, true);

-		    }

-		    catch(UpdateFailedException die)

-		    {

-			assert false;

-		    }

-		    replicaGroup.restoreDescriptor(savedDescriptor);

-		    root.setSelectedNode(_target);

-

-		    JOptionPane.showMessageDialog(

-			root.getCoordinator().getMainFrame(),

-			e.toString(),

-			"Apply failed",

-			JOptionPane.ERROR_MESSAGE);

-		    return false;

-		}

-		    

-		//

-		// Success

-		//

-

-		// replaced by brand new ReplicaGroup

-		replicaGroups.getEditable().

-		    removeElement(replicaGroup.getId(), 

-				  replicaGroup.getEditable(), ReplicaGroup.class); 

-

-		_target = replicaGroups.findChildWithDescriptor(descriptor);

-		root.updated();

-		root.setSelectedNode(_target);

-	    }

-	    

-	    root.getCoordinator().getCurrentTab().showNode(_target);

-	    _applyButton.setEnabled(false);

-	    _discardButton.setEnabled(false);

-	    return true;

-	}

-	finally

-	{

-	    root.enableSelectionListener();

-	}

-    }

-

-    Utils.Resolver getDetailResolver()

-    {

-	Root root = _target.getRoot();

-

-	if(root.getCoordinator().substitute())

-	{

-	    return root.getResolver();

-	}

-	else

-	{

-	    return null;

-	}

-    }

-

-    ReplicaGroupEditor()

-    {

-	_objects = new MapField(this, "Identity", "Type", true);

-	

-	//

-	// load balancing

-	//

-	_loadBalancing.addItemListener(new ItemListener()

-	    {

-		public void itemStateChanged(ItemEvent e)

-		{

-		    if(e.getStateChange() == ItemEvent.SELECTED)

-		    {

-			updated();

-

-			Object item = e.getItem();

-			_nReplicasLabel.setVisible(item != RETURN_ALL);

-			_nReplicas.setVisible(item != RETURN_ALL);

-			

-			_loadSampleLabel.setVisible(item == ADAPTIVE);

-			_loadSample.setVisible(item == ADAPTIVE);

-		    }

-		}

-	    });

-	_loadBalancing.setToolTipText(

-	    "Specifies how IceGrid selects adapters when resolving a replica group ID");

-

-	//

-	// Associate updateListener with various fields

-	//

-	_id.getDocument().addDocumentListener(_updateListener);

-	_id.setToolTipText("Must be unique within this IceGrid deployment");

-

-	_description.getDocument().addDocumentListener(_updateListener);

-	_description.setToolTipText(

-	    "An optional description for this replica group");

-

-	_nReplicas.getDocument().addDocumentListener(_updateListener);

-	_nReplicas.setToolTipText("<html>IceGrid returns the endpoints of "

-				  + "up to <i>number</i> adapters<br>"

-				  + "when resolving a replica group ID</html>");

-

-	_loadSample.setEditable(true);

-	JTextField loadSampleTextField = (JTextField)

-	    _loadSample.getEditor().getEditorComponent();

-	loadSampleTextField.getDocument().addDocumentListener(_updateListener);

-	_loadSample.setToolTipText(

-	    "Use the load average or CPU usage over the last 1, 5 or 15 minutes?");

-

-    }

-    

-    void writeDescriptor()

-    {

-	ReplicaGroupDescriptor descriptor = 

-	    (ReplicaGroupDescriptor)getReplicaGroup().getDescriptor();

-

-	descriptor.id = _id.getText().trim();

-	descriptor.description = _description.getText();

-	descriptor.objects = AdapterEditor.mapToObjectDescriptorSeq(_objects.get());

-	

-	Object loadBalancing = _loadBalancing.getSelectedItem();

-	if(loadBalancing == RETURN_ALL)

-	{

-	    descriptor.loadBalancing = null;

-	}

-	else if(loadBalancing == RANDOM)

-	{

-	    descriptor.loadBalancing = new RandomLoadBalancingPolicy(

-		_nReplicas.getText().trim());

-	}

-	else if(loadBalancing == ROUND_ROBIN)

-	{

-	    descriptor.loadBalancing = new RoundRobinLoadBalancingPolicy(

-		_nReplicas.getText().trim());

-	}

-	else if(loadBalancing == ADAPTIVE)

-	{

-	    descriptor.loadBalancing = new AdaptiveLoadBalancingPolicy(

-		_nReplicas.getText().trim(), 

-		_loadSample.getSelectedItem().toString().trim());

-	}

-	else

-	{

-	    assert false;

-	}

-    }	    

-    

-    boolean isSimpleUpdate()

-    {

-	ReplicaGroupDescriptor descriptor = 

-	    (ReplicaGroupDescriptor)getReplicaGroup().getDescriptor();

-	return descriptor.id.equals(_id.getText().trim());

-    }

-

-    protected void appendProperties(DefaultFormBuilder builder)

-    {

-	builder.append("Replica Group ID");

-	builder.append(_id, 3);

-	builder.nextLine();

-	

-	builder.append("Description");

-	builder.nextLine();

-	builder.append("");

-	builder.nextRow(-2);

-	CellConstraints cc = new CellConstraints();

-	JScrollPane scrollPane = new JScrollPane(_description);

-	builder.add(scrollPane, 

-		    cc.xywh(builder.getColumn(), builder.getRow(), 3, 3));

-	builder.nextRow(2);

-	builder.nextLine();

-

-	builder.append("Well-known Objects");

-	builder.nextLine();

-	builder.append("");

-	builder.nextLine();

-	builder.append("");

-	builder.nextLine();

-	builder.append("");

-	builder.nextRow(-6);

-	scrollPane = new JScrollPane(_objects);

-	builder.add(scrollPane, 

-		    cc.xywh(builder.getColumn(), builder.getRow(), 3, 7));

-	builder.nextRow(6);

-	builder.nextLine();

-

-	builder.append("Load Balancing Policy");

-	builder.append(_loadBalancing, 3);

-	builder.nextLine();

-	_nReplicasLabel = builder.append("How many Adapters?");

-	builder.append(_nReplicas, 3);

-	builder.nextLine();

-	_loadSampleLabel = builder.append("Load Sample");

-	builder.append(_loadSample, 3);

-	builder.nextLine();

-    }

-

-    protected void buildPropertiesPanel()

-    {

-	super.buildPropertiesPanel();

-	_propertiesPanel.setName("Replica Group Properties");

-    }

-

-    protected boolean validate()

-    {

-	return check(new String[]{"Replica Group ID", _id.getText().trim()});

-    }

-

-

-    void show(ReplicaGroup replicaGroup)

-    {

-	//

-	// Make sure everything is built

-	//

-	getProperties();

-

-	detectUpdates(false);

-	_target = replicaGroup;

-

-	Utils.Resolver resolver = getDetailResolver();

-	boolean isEditable = (resolver == null);

-	

-	ReplicaGroupDescriptor descriptor = 

-	    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();

-	

-	_id.setText(descriptor.id);

-	_id.setEditable(isEditable);

-	

-	_description.setText(

-	    Utils.substitute(descriptor.description, resolver));

-	_description.setEditable(isEditable);

-	_description.setOpaque(isEditable);

-

-	_objects.set(AdapterEditor.objectDescriptorSeqToMap(descriptor.objects), resolver, isEditable);

-

-	_loadBalancing.setEnabled(true);

-

-	if(descriptor.loadBalancing == null)

-	{

-	    _loadBalancing.setSelectedItem(RETURN_ALL);

-	    _nReplicas.setText("1");

-	    _loadSample.setSelectedItem("1");

-	}

-	else if(descriptor.loadBalancing instanceof RandomLoadBalancingPolicy)

-	{

-	    _loadBalancing.setSelectedItem(RANDOM);

-	    _nReplicas.setText(

-		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));

-	    _loadSample.setSelectedItem("1");

-	}

-	else if(descriptor.loadBalancing instanceof RoundRobinLoadBalancingPolicy)

-	{

-	    _loadBalancing.setSelectedItem(ROUND_ROBIN);

-	    _nReplicas.setText(

-		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));

-	    _loadSample.setSelectedItem("1");

-	}

-	else if(descriptor.loadBalancing instanceof AdaptiveLoadBalancingPolicy)

-	{

-	    _loadBalancing.setSelectedItem(ADAPTIVE);

-	    _nReplicas.setText(

-		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));

-

-	    _loadSample.setSelectedItem(

-		Utils.substitute(

-		    ((AdaptiveLoadBalancingPolicy)descriptor.loadBalancing).loadSample,

-		    resolver));

-	}

-	else

-	{

-	    assert false;

-	}

-	_nReplicas.setEditable(isEditable);

-	_loadSample.setEditable(isEditable);

-	_loadBalancing.setEnabled(isEditable);

-

-	_applyButton.setEnabled(replicaGroup.isEphemeral());

-	_discardButton.setEnabled(replicaGroup.isEphemeral());	  

-	detectUpdates(true);

-    }

-

-    private ReplicaGroup getReplicaGroup()

-    {

-	return (ReplicaGroup)_target;

-    }

-

-    static private String RETURN_ALL = "Return all";

-    static private String RANDOM = "Random";

-    static private String ROUND_ROBIN = "Round-robin";

-    static private String ADAPTIVE = "Adaptive";

-

-    private JTextField _id = new JTextField(20);

-    private JTextArea _description = new JTextArea(3, 20);

-

-    private JComboBox _loadBalancing = new JComboBox(new Object[]

-	{ADAPTIVE, RANDOM, RETURN_ALL, ROUND_ROBIN}); 

-    

-    private JLabel _nReplicasLabel;

-    private JTextField _nReplicas = new JTextField(20);

-

-    private JLabel _loadSampleLabel;

-    private JComboBox _loadSample = new JComboBox(new Object[]

-	{"1", "5", "15"});

-    

-    private MapField _objects;

-}

+// **********************************************************************
+//
+// Copyright (c) 2003-2006 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.event.ActionEvent;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+
+import com.jgoodies.forms.builder.DefaultFormBuilder;
+import com.jgoodies.forms.layout.CellConstraints;
+
+import IceGrid.*;
+import IceGridGUI.*;
+
+class ReplicaGroupEditor extends Editor
+{
+    protected boolean applyUpdate()
+    {
+	ReplicaGroup replicaGroup = (ReplicaGroup)_target;
+	Root root = replicaGroup.getRoot();
+
+	root.disableSelectionListener();
+	try
+	{
+	    if(replicaGroup.isEphemeral())
+	    {
+		ReplicaGroups replicaGroups = (ReplicaGroups)replicaGroup.getParent();
+		writeDescriptor();
+		ReplicaGroupDescriptor descriptor = 
+		    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();
+		replicaGroup.destroy(); // just removes the child
+		
+		try
+		{
+		    replicaGroups.tryAdd(descriptor, true);
+		}
+		catch(UpdateFailedException e)
+		{
+		    //
+		    // Add back ephemeral child
+		    //
+		    try
+		    {
+			replicaGroups.insertChild(replicaGroup, true);
+		    }
+		    catch(UpdateFailedException die)
+		    {
+			assert false;
+		    }
+		    root.setSelectedNode(replicaGroup);
+		    
+		    JOptionPane.showMessageDialog(
+			root.getCoordinator().getMainFrame(),
+			e.toString(),
+			"Apply failed",
+			JOptionPane.ERROR_MESSAGE);
+		    return false;
+		}
+
+		//
+		// Success
+		//
+		_target = replicaGroups.findChildWithDescriptor(descriptor);
+		root.updated();
+	    }
+	    else if(isSimpleUpdate())
+	    {
+		writeDescriptor();
+		root.updated();
+		replicaGroup.getEditable().markModified();
+	    }
+	    else
+	    {
+		//
+		// Save to be able to rollback
+		//
+		Object savedDescriptor = replicaGroup.saveDescriptor();
+		ReplicaGroups replicaGroups = (ReplicaGroups)replicaGroup.getParent();
+		writeDescriptor();
+		ReplicaGroupDescriptor descriptor = 
+		    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();
+		
+		replicaGroups.removeChild(replicaGroup);	    
+		try
+		{
+		    replicaGroups.tryAdd(descriptor, false);
+		}
+		catch(UpdateFailedException e)
+		{
+		    //
+		    // Restore all
+		    //
+		    try
+		    {
+			replicaGroups.insertChild(replicaGroup, true);
+		    }
+		    catch(UpdateFailedException die)
+		    {
+			assert false;
+		    }
+		    replicaGroup.restoreDescriptor(savedDescriptor);
+		    root.setSelectedNode(_target);
+
+		    JOptionPane.showMessageDialog(
+			root.getCoordinator().getMainFrame(),
+			e.toString(),
+			"Apply failed",
+			JOptionPane.ERROR_MESSAGE);
+		    return false;
+		}
+		    
+		//
+		// Success
+		//
+
+		// replaced by brand new ReplicaGroup
+		replicaGroups.getEditable().
+		    removeElement(replicaGroup.getId(), 
+				  replicaGroup.getEditable(), ReplicaGroup.class); 
+
+		_target = replicaGroups.findChildWithDescriptor(descriptor);
+		root.updated();
+		root.setSelectedNode(_target);
+	    }
+	    
+	    root.getCoordinator().getCurrentTab().showNode(_target);
+	    _applyButton.setEnabled(false);
+	    _discardButton.setEnabled(false);
+	    return true;
+	}
+	finally
+	{
+	    root.enableSelectionListener();
+	}
+    }
+
+    Utils.Resolver getDetailResolver()
+    {
+	Root root = _target.getRoot();
+
+	if(root.getCoordinator().substitute())
+	{
+	    return root.getResolver();
+	}
+	else
+	{
+	    return null;
+	}
+    }
+
+    ReplicaGroupEditor()
+    {
+	_objects = new MapField(this, "Identity", "Type", true);
+	
+	//
+	// load balancing
+	//
+	_loadBalancing.addItemListener(new ItemListener()
+	    {
+		public void itemStateChanged(ItemEvent e)
+		{
+		    if(e.getStateChange() == ItemEvent.SELECTED)
+		    {
+			updated();
+
+			Object item = e.getItem();
+			_nReplicasLabel.setVisible(item != RETURN_ALL);
+			_nReplicas.setVisible(item != RETURN_ALL);
+			
+			_loadSampleLabel.setVisible(item == ADAPTIVE);
+			_loadSample.setVisible(item == ADAPTIVE);
+		    }
+		}
+	    });
+	_loadBalancing.setToolTipText(
+	    "Specifies how IceGrid selects adapters when resolving a replica group ID");
+
+	//
+	// Associate updateListener with various fields
+	//
+	_id.getDocument().addDocumentListener(_updateListener);
+	_id.setToolTipText("Must be unique within this IceGrid deployment");
+
+	_description.getDocument().addDocumentListener(_updateListener);
+	_description.setToolTipText(
+	    "An optional description for this replica group");
+
+	_nReplicas.getDocument().addDocumentListener(_updateListener);
+	_nReplicas.setToolTipText("<html>IceGrid returns the endpoints of "
+				  + "up to <i>number</i> adapters<br>"
+				  + "when resolving a replica group ID</html>");
+
+	_loadSample.setEditable(true);
+	JTextField loadSampleTextField = (JTextField)
+	    _loadSample.getEditor().getEditorComponent();
+	loadSampleTextField.getDocument().addDocumentListener(_updateListener);
+	_loadSample.setToolTipText(
+	    "Use the load average or CPU usage over the last 1, 5 or 15 minutes?");
+
+    }
+    
+    void writeDescriptor()
+    {
+	ReplicaGroupDescriptor descriptor = 
+	    (ReplicaGroupDescriptor)getReplicaGroup().getDescriptor();
+
+	descriptor.id = _id.getText().trim();
+	descriptor.description = _description.getText();
+	descriptor.objects = AdapterEditor.mapToObjectDescriptorSeq(_objects.get());
+	
+	Object loadBalancing = _loadBalancing.getSelectedItem();
+	if(loadBalancing == RETURN_ALL)
+	{
+	    descriptor.loadBalancing = null;
+	}
+	else if(loadBalancing == RANDOM)
+	{
+	    descriptor.loadBalancing = new RandomLoadBalancingPolicy(
+		_nReplicas.getText().trim());
+	}
+	else if(loadBalancing == ROUND_ROBIN)
+	{
+	    descriptor.loadBalancing = new RoundRobinLoadBalancingPolicy(
+		_nReplicas.getText().trim());
+	}
+	else if(loadBalancing == ADAPTIVE)
+	{
+	    descriptor.loadBalancing = new AdaptiveLoadBalancingPolicy(
+		_nReplicas.getText().trim(), 
+		_loadSample.getSelectedItem().toString().trim());
+	}
+	else
+	{
+	    assert false;
+	}
+    }	    
+    
+    boolean isSimpleUpdate()
+    {
+	ReplicaGroupDescriptor descriptor = 
+	    (ReplicaGroupDescriptor)getReplicaGroup().getDescriptor();
+	return descriptor.id.equals(_id.getText().trim());
+    }
+
+    protected void appendProperties(DefaultFormBuilder builder)
+    {
+	builder.append("Replica Group ID");
+	builder.append(_id, 3);
+	builder.nextLine();
+	
+	builder.append("Description");
+	builder.nextLine();
+	builder.append("");
+	builder.nextRow(-2);
+	CellConstraints cc = new CellConstraints();
+	JScrollPane scrollPane = new JScrollPane(_description);
+	builder.add(scrollPane, 
+		    cc.xywh(builder.getColumn(), builder.getRow(), 3, 3));
+	builder.nextRow(2);
+	builder.nextLine();
+
+	builder.append("Well-known Objects");
+	builder.nextLine();
+	builder.append("");
+	builder.nextLine();
+	builder.append("");
+	builder.nextLine();
+	builder.append("");
+	builder.nextRow(-6);
+	scrollPane = new JScrollPane(_objects);
+	builder.add(scrollPane, 
+		    cc.xywh(builder.getColumn(), builder.getRow(), 3, 7));
+	builder.nextRow(6);
+	builder.nextLine();
+
+	builder.append("Load Balancing Policy");
+	builder.append(_loadBalancing, 3);
+	builder.nextLine();
+	_nReplicasLabel = builder.append("How many Adapters?");
+	builder.append(_nReplicas, 3);
+	builder.nextLine();
+	_loadSampleLabel = builder.append("Load Sample");
+	builder.append(_loadSample, 3);
+	builder.nextLine();
+    }
+
+    protected void buildPropertiesPanel()
+    {
+	super.buildPropertiesPanel();
+	_propertiesPanel.setName("Replica Group Properties");
+    }
+
+    protected boolean validate()
+    {
+	return check(new String[]{"Replica Group ID", _id.getText().trim()});
+    }
+
+
+    void show(ReplicaGroup replicaGroup)
+    {
+	//
+	// Make sure everything is built
+	//
+	getProperties();
+
+	detectUpdates(false);
+	_target = replicaGroup;
+
+	Utils.Resolver resolver = getDetailResolver();
+	boolean isEditable = (resolver == null);
+	
+	ReplicaGroupDescriptor descriptor = 
+	    (ReplicaGroupDescriptor)replicaGroup.getDescriptor();
+	
+	_id.setText(descriptor.id);
+	_id.setEditable(isEditable);
+	
+	_description.setText(
+	    Utils.substitute(descriptor.description, resolver));
+	_description.setEditable(isEditable);
+	_description.setOpaque(isEditable);
+
+	_objects.set(AdapterEditor.objectDescriptorSeqToMap(descriptor.objects), resolver, isEditable);
+
+	_loadBalancing.setEnabled(true);
+
+	if(descriptor.loadBalancing == null)
+	{
+	    _loadBalancing.setSelectedItem(RETURN_ALL);
+	    _nReplicas.setText("1");
+	    _loadSample.setSelectedItem("1");
+	}
+	else if(descriptor.loadBalancing instanceof RandomLoadBalancingPolicy)
+	{
+	    _loadBalancing.setSelectedItem(RANDOM);
+	    _nReplicas.setText(
+		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));
+	    _loadSample.setSelectedItem("1");
+	}
+	else if(descriptor.loadBalancing instanceof RoundRobinLoadBalancingPolicy)
+	{
+	    _loadBalancing.setSelectedItem(ROUND_ROBIN);
+	    _nReplicas.setText(
+		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));
+	    _loadSample.setSelectedItem("1");
+	}
+	else if(descriptor.loadBalancing instanceof AdaptiveLoadBalancingPolicy)
+	{
+	    _loadBalancing.setSelectedItem(ADAPTIVE);
+	    _nReplicas.setText(
+		Utils.substitute(descriptor.loadBalancing.nReplicas, resolver));
+
+	    _loadSample.setSelectedItem(
+		Utils.substitute(
+		    ((AdaptiveLoadBalancingPolicy)descriptor.loadBalancing).loadSample,
+		    resolver));
+	}
+	else
+	{
+	    assert false;
+	}
+	_nReplicas.setEditable(isEditable);
+	_loadSample.setEditable(isEditable);
+	_loadBalancing.setEnabled(isEditable);
+
+	_applyButton.setEnabled(replicaGroup.isEphemeral());
+	_discardButton.setEnabled(replicaGroup.isEphemeral());	  
+	detectUpdates(true);
+    }
+
+    private ReplicaGroup getReplicaGroup()
+    {
+	return (ReplicaGroup)_target;
+    }
+
+    static private String RETURN_ALL = "Return all";
+    static private String RANDOM = "Random";
+    static private String ROUND_ROBIN = "Round-robin";
+    static private String ADAPTIVE = "Adaptive";
+
+    private JTextField _id = new JTextField(20);
+    private JTextArea _description = new JTextArea(3, 20);
+
+    private JComboBox _loadBalancing = new JComboBox(new Object[]
+	{ADAPTIVE, RANDOM, RETURN_ALL, ROUND_ROBIN}); 
+    
+    private JLabel _nReplicasLabel;
+    private JTextField _nReplicas = new JTextField(20);
+
+    private JLabel _loadSampleLabel;
+    private JComboBox _loadSample = new JComboBox(new Object[]
+	{"1", "5", "15"});
+    
+    private MapField _objects;
+}