org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/model/impl/TraceSessionGroup.java

   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  **********************************************************************/
  12 package org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl;
  13
  14 import org.eclipse.core.commands.ExecutionException;
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.core.runtime.NullProgressMonitor;
  17 import org.eclipse.linuxtools.internal.lttng2.core.control.model.ISessionInfo;
  18 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent;
  19
  20 /**
  21  * <p>
  22  * Implementation of the trace session group.
  23  * </p>
  24  *
  25  * @author Bernd Hufmann
  26  */
  27 public class TraceSessionGroup extends TraceControlComponent {
  28     // ------------------------------------------------------------------------
  29     // Constants
  30     // ------------------------------------------------------------------------
  31     /**
  32      * Path to icon file for this component.
  33      */
  34     public static final String TRACE_SESSIONS_ICON_FILE = "icons/obj16/sessions.gif"; //$NON-NLS-1$
  35
  36     // ------------------------------------------------------------------------
  37     // Attributes
  38     // ------------------------------------------------------------------------
  39
  40     // ------------------------------------------------------------------------
  41     // Constructors
  42     // ------------------------------------------------------------------------
  43     /**
  44      * Constructor
  45      * @param name - the name of the component.
  46      * @param parent - the parent of this component.
  47      */
  48     public TraceSessionGroup(String name, ITraceControlComponent parent) {
  49         super(name, parent);
  50         setImage(TRACE_SESSIONS_ICON_FILE);
  51     }
  52
  53     // ------------------------------------------------------------------------
  54     // Accessors
  55     // ------------------------------------------------------------------------
  56
  57     /**
  58      * @return the parent target node
  59      */
  60     public TargetNodeComponent getTargetNode() {
  61         return (TargetNodeComponent)getParent();
  62     }
  63
  64     // ------------------------------------------------------------------------
  65     // Operations
  66     // ------------------------------------------------------------------------
  67     /**
  68      * Retrieves the sessions information from the node.
  69      *
  70      * @throws ExecutionException
  71      *             If the command fails
  72      */
  73     public void getSessionsFromNode() throws ExecutionException {
  74         getSessionsFromNode(new NullProgressMonitor());
  75     }
  76
  77     /**
  78      * Retrieves the sessions information from the node.
  79      *
  80      * @param monitor
  81      *            - a progress monitor
  82      * @throws ExecutionException
  83      *             If the command fails
  84      */
  85     public void getSessionsFromNode(IProgressMonitor monitor)
  86             throws ExecutionException {
  87         String[] sessionNames = getControlService().getSessionNames(monitor);
  88         for (int i = 0; i < sessionNames.length; i++) {
  89             TraceSessionComponent session = new TraceSessionComponent(
  90                     sessionNames[i], this);
  91             addChild(session);
  92             session.getConfigurationFromNode(monitor);
  93         }
  94     }
  95
  96     /**
  97      * Creates a session with given session name and location.
  98      *
  99      * @param sessionName
 100      *            - a session name to create
 101      * @param sessionPath
 102      *            - a path for storing the traces (use null for default)
 103      * @throws ExecutionException
 104      *             If the command fails
 105      */
 106     public void createSession(String sessionName, String sessionPath)
 107             throws ExecutionException {
 108         createSession(sessionName, sessionPath, new NullProgressMonitor());
 109     }
 110
 111     /**
 112      * Creates a session with given session name and location.
 113      *
 114      * @param sessionName
 115      *            - a session name to create
 116      * @param sessionPath
 117      *            - a path for storing the traces (use null for default)
 118      * @param monitor
 119      *            - a progress monitor
 120      * @throws ExecutionException
 121      *             If the command fails
 122      */
 123     public void createSession(String sessionName, String sessionPath,
 124             IProgressMonitor monitor) throws ExecutionException {
 125         ISessionInfo sessionInfo = getControlService().createSession(
 126                 sessionName, sessionPath, monitor);
 127         if (sessionInfo != null) {
 128             TraceSessionComponent session = new TraceSessionComponent(
 129                     sessionInfo.getName(), TraceSessionGroup.this);
 130             addChild(session);
 131             session.getConfigurationFromNode(monitor);
 132         }
 133     }
 134
 135     /**
 136      * Destroys a session with given session name.
 137      *
 138      * @param session
 139      *            - a session component to destroy
 140      * @throws ExecutionException
 141      *             If the command fails
 142      */
 143     public void destroySession(TraceSessionComponent session)
 144             throws ExecutionException {
 145         destroySession(session, new NullProgressMonitor());
 146     }
 147
 148     /**
 149      * Destroys a session with given session name.
 150      *
 151      * @param session
 152      *            - a session component to destroy
 153      * @param monitor
 154      *            - a progress monitor
 155      * @throws ExecutionException
 156      *             If the command fails
 157      */
 158     public void destroySession(TraceSessionComponent session,
 159             IProgressMonitor monitor) throws ExecutionException {
 160         getControlService().destroySession(session.getName(), monitor);
 161         session.removeAllChildren();
 162         removeChild(session);
 163     }
 164 }