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

   1 /**********************************************************************
   2  * Copyright (c) 2012, 2014 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.tracecompass.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.jdt.annotation.Nullable;
  21 import org.eclipse.tracecompass.internal.lttng2.control.core.model.ISessionInfo;
  22 import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.ITraceControlComponent;
  23
  24 /**
  25  * <p>
  26  * Implementation of the trace session group.
  27  * </p>
  28  *
  29  * @author Bernd Hufmann
  30  */
  31 public class TraceSessionGroup extends TraceControlComponent {
  32     // ------------------------------------------------------------------------
  33     // Constants
  34     // ------------------------------------------------------------------------
  35     /**
  36      * Path to icon file for this component.
  37      */
  38     public static final String TRACE_SESSIONS_ICON_FILE = "icons/obj16/sessions.gif"; //$NON-NLS-1$
  39
  40     // ------------------------------------------------------------------------
  41     // Attributes
  42     // ------------------------------------------------------------------------
  43
  44     // ------------------------------------------------------------------------
  45     // Constructors
  46     // ------------------------------------------------------------------------
  47     /**
  48      * Constructor
  49      * @param name - the name of the component.
  50      * @param parent - the parent of this component.
  51      */
  52     public TraceSessionGroup(String name, ITraceControlComponent parent) {
  53         super(name, parent);
  54         setImage(TRACE_SESSIONS_ICON_FILE);
  55     }
  56
  57     // ------------------------------------------------------------------------
  58     // Accessors
  59     // ------------------------------------------------------------------------
  60
  61     /**
  62      * @return the parent target node
  63      */
  64     public TargetNodeComponent getTargetNode() {
  65         return (TargetNodeComponent)getParent();
  66     }
  67
  68     /**
  69      * Returns if node supports networks streaming or not
  70      * @return <code>true</code> if node supports filtering else <code>false</code>
  71      */
  72     public boolean isNetworkStreamingSupported() {
  73         return getTargetNode().isNetworkStreamingSupported();
  74     }
  75     /**
  76      * Returns if node supports snapshots or not
  77      * @return <code>true</code> if it supports snapshots else <code>false</code>
  78      *
  79      */    public boolean isSnapshotSupported() {
  80         return getTargetNode().isSnapshotSupported();
  81     }
  82
  83     /**
  84      * Returns if node supports live or not
  85      *
  86      * @return <code>true</code> if it supports live else <code>false</code>
  87      */
  88     public boolean isLiveSupported() {
  89         return getTargetNode().isLiveSupported();
  90     }
  91
  92     // ------------------------------------------------------------------------
  93     // Operations
  94     // ------------------------------------------------------------------------
  95     /**
  96      * Retrieves the sessions information from the node.
  97      *
  98      * @throws ExecutionException
  99      *             If the command fails
 100      */
 101     public void getSessionsFromNode() throws ExecutionException {
 102         getSessionsFromNode(new NullProgressMonitor());
 103     }
 104
 105     /**
 106      * Retrieves the sessions information from the node.
 107      *
 108      * @param monitor
 109      *            - a progress monitor
 110      * @throws ExecutionException
 111      *             If the command fails
 112      */
 113     public void getSessionsFromNode(IProgressMonitor monitor)
 114             throws ExecutionException {
 115         List<String> sessionNames = getControlService().getSessionNames(monitor);
 116         for (String sessionName : sessionNames) {
 117             TraceSessionComponent session =
 118                     new TraceSessionComponent(sessionName, this);
 119             addChild(session);
 120             session.getConfigurationFromNode(monitor);
 121         }
 122     }
 123
 124     /**
 125      * Creates a session with given session name and location.
 126      *
 127      * @param sessionInf
 128      *            the session information used to create the session
 129      *
 130      * @param monitor
 131      *            - a progress monitor
 132      * @throws ExecutionException
 133      *             If the command fails
 134      */
 135     public void createSession(ISessionInfo sessionInf, IProgressMonitor monitor) throws ExecutionException {
 136         ISessionInfo sessionInfo = getControlService().createSession(sessionInf, monitor);
 137
 138         if (sessionInfo != null) {
 139             TraceSessionComponent session = new TraceSessionComponent(sessionInfo, TraceSessionGroup.this);
 140             addChild(session);
 141             session.getConfigurationFromNode(monitor);
 142         }
 143     }
 144
 145     /**
 146      * Command to execute a list of commands
 147      * @param monitor
 148      *            - a progress monitor
 149      * @param commands
 150      *            - a list of commands to execute
 151      * @throws ExecutionException
 152      *            If the command fails
 153      */
 154     public void executeCommands(IProgressMonitor monitor, List<String> commands) throws ExecutionException {
 155         getControlService().runCommands(monitor, commands);
 156         getTargetNode().refresh();
 157     }
 158
 159     /**
 160      * Destroys a session with given session name.
 161      *
 162      * @param session
 163      *            - a session component to destroy
 164      * @param monitor
 165      *            - a progress monitor
 166      * @throws ExecutionException
 167      *             If the command fails
 168      */
 169     public void destroySession(TraceSessionComponent session,
 170             IProgressMonitor monitor) throws ExecutionException {
 171         getControlService().destroySession(session.getName(), monitor);
 172         session.removeAllChildren();
 173         removeChild(session);
 174     }
 175
 176     /**
 177      * Load all or a given session.
 178      *
 179      * @param inputPath
 180      *            a input path to load session from or null for load all from default
 181      * @param isForce
 182      *            flag whether to overwrite existing or not
 183      * @param monitor
 184      *            a progress monitor
 185      * @throws ExecutionException
 186      *             If the command fails
 187      */
 188     public void loadSession(@Nullable String inputPath, boolean isForce, IProgressMonitor monitor)
 189             throws ExecutionException {
 190         getControlService().loadSession(inputPath, isForce, monitor);
 191         getTargetNode().refresh();
 192     }
 193 }