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1 | /********************************************************************** |
2 | * Copyright (c) 2012 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | **********************************************************************/ | |
31a6a4e4 | 12 | package org.eclipse.linuxtools.internal.lttng.ui.views.control.handlers; |
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13 | |
14 | import org.eclipse.core.commands.ExecutionEvent; | |
15 | import org.eclipse.core.commands.ExecutionException; | |
31a6a4e4 | 16 | import org.eclipse.linuxtools.internal.lttng.ui.views.control.model.TargetNodeState; |
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17 | |
18 | /** | |
19 | * <b><u>DisconnectHandler</u></b> | |
20 | * <p> | |
21 | * Command handler implementation to disconnect from a target host. | |
22 | * </p> | |
23 | */ | |
24 | public class DisconnectHandler extends BaseNodeHandler { | |
25 | ||
26 | // ------------------------------------------------------------------------ | |
27 | // Operations | |
28 | // ------------------------------------------------------------------------ | |
29 | ||
30 | /* | |
31 | * (non-Javadoc) | |
31a6a4e4 | 32 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.handlers.BaseNodeHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
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33 | */ |
34 | @Override | |
35 | public Object execute(ExecutionEvent event) throws ExecutionException { | |
36 | fTargetNode.disconnect(); | |
37 | return null; | |
38 | } | |
39 | ||
40 | /* | |
41 | * (non-Javadoc) | |
31a6a4e4 | 42 | * @see org.eclipse.linuxtools.internal.lttng.ui.views.control.handlers.BaseNodeHandler#isEnabled() |
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43 | */ |
44 | @Override | |
45 | public boolean isEnabled() { | |
46 | return super.isEnabled() && (fTargetNode.getTargetNodeState() == TargetNodeState.CONNECTED); | |
47 | } | |
48 | } |