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