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

   1 /**********************************************************************
   2  * Copyright (c) 2012, 2013 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  *   Bernd Hufmann - Updated for support of LTTng Tools 2.1
  12  **********************************************************************/
  13 package org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl;
  14
  15 import java.util.List;
  16
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19 import org.eclipse.core.runtime.NullProgressMonitor;
  20 import org.eclipse.linuxtools.internal.lttng2.control.core.model.ISessionInfo;
  21 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.ITraceControlComponent;
  22
  23 /**
  24  * <p>
  25  * Implementation of the trace session group.
  26  * </p>
  27  *
  28  * @author Bernd Hufmann
  29  */
  30 public class TraceSessionGroup extends TraceControlComponent {
  31     // ------------------------------------------------------------------------
  32     // Constants
  33     // ------------------------------------------------------------------------
  34     /**
  35      * Path to icon file for this component.
  36      */
  37     public static final String TRACE_SESSIONS_ICON_FILE = "icons/obj16/sessions.gif"; //$NON-NLS-1$
  38
  39     // ------------------------------------------------------------------------
  40     // Attributes
  41     // ------------------------------------------------------------------------
  42
  43     // ------------------------------------------------------------------------
  44     // Constructors
  45     // ------------------------------------------------------------------------
  46     /**
  47      * Constructor
  48      * @param name - the name of the component.
  49      * @param parent - the parent of this component.
  50      */
  51     public TraceSessionGroup(String name, ITraceControlComponent parent) {
  52         super(name, parent);
  53         setImage(TRACE_SESSIONS_ICON_FILE);
  54     }
  55
  56     // ------------------------------------------------------------------------
  57     // Accessors
  58     // ------------------------------------------------------------------------
  59
  60     /**
  61      * @return the parent target node
  62      */
  63     public TargetNodeComponent getTargetNode() {
  64         return (TargetNodeComponent)getParent();
  65     }
  66
  67     /**
  68      * Returns if node supports networks streaming or not
  69      * @return <code>true</code> if node supports filtering else <code>false</code>
  70      */
  71     public boolean isNetworkStreamingSupported() {
  72         return getTargetNode().isNetworkStreamingSupported();
  73     }
  74     /**
  75      * Returns if node supports snapshots or not
  76      * @return <code>true</code> if it supports snapshots else <code>false</code>
  77      *
  78      */    public boolean isSnapshotSupported() {
  79         return getTargetNode().isSnapshotSupported();
  80     }
  81
  82     /**
  83      * Returns if node supports live or not
  84      *
  85      * @return <code>true</code> if it supports live else <code>false</code>
  86      */
  87     public boolean isLiveSupported() {
  88         return getTargetNode().isLiveSupported();
  89     }
  90
  91     // ------------------------------------------------------------------------
  92     // Operations
  93     // ------------------------------------------------------------------------
  94     /**
  95      * Retrieves the sessions information from the node.
  96      *
  97      * @throws ExecutionException
  98      *             If the command fails
  99      */
 100     public void getSessionsFromNode() throws ExecutionException {
 101         getSessionsFromNode(new NullProgressMonitor());
 102     }
 103
 104     /**
 105      * Retrieves the sessions information from the node.
 106      *
 107      * @param monitor
 108      *            - a progress monitor
 109      * @throws ExecutionException
 110      *             If the command fails
 111      */
 112     public void getSessionsFromNode(IProgressMonitor monitor)
 113             throws ExecutionException {
 114         String[] sessionNames = getControlService().getSessionNames(monitor);
 115         for (int i = 0; i < sessionNames.length; i++) {
 116             TraceSessionComponent session = new TraceSessionComponent(
 117                     sessionNames[i], this);
 118             addChild(session);
 119             session.getConfigurationFromNode(monitor);
 120         }
 121     }
 122
 123     /**
 124      * Creates a session with given session name and location.
 125      *
 126      * @param sessionInf
 127      *            the session information used to create the session
 128      *
 129      * @param monitor
 130      *            - a progress monitor
 131      * @throws ExecutionException
 132      *             If the command fails
 133      */
 134     public void createSession(ISessionInfo sessionInf, IProgressMonitor monitor) throws ExecutionException {
 135         ISessionInfo sessionInfo = getControlService().createSession(sessionInf, monitor);
 136
 137         if (sessionInfo != null) {
 138             TraceSessionComponent session = new TraceSessionComponent(sessionInfo, TraceSessionGroup.this);
 139             addChild(session);
 140             session.getConfigurationFromNode(monitor);
 141         }
 142     }
 143
 144     /**
 145      * Command to execute a list of commands
 146      * @param monitor
 147      *            - a progress monitor
 148      * @param commands
 149      *            - a list of commands to execute
 150      * @throws ExecutionException
 151      *            If the command fails
 152      */
 153     public void executeCommands(IProgressMonitor monitor, List<String> commands) throws ExecutionException {
 154         getControlService().runCommands(monitor, commands);
 155         getTargetNode().refresh();
 156     }
 157
 158     /**
 159      * Destroys a session with given session name.
 160      *
 161      * @param session
 162      *            - a session component to destroy
 163      * @param monitor
 164      *            - a progress monitor
 165      * @throws ExecutionException
 166      *             If the command fails
 167      */
 168     public void destroySession(TraceSessionComponent session,
 169             IProgressMonitor monitor) throws ExecutionException {
 170         getControlService().destroySession(session.getName(), monitor);
 171         session.removeAllChildren();
 172         removeChild(session);
 173     }
 174 }