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      * @throws ExecutionException
  70      */
  71     public void getSessionsFromNode() throws ExecutionException {
  72         getSessionsFromNode(new NullProgressMonitor());
  73     }
  74
  75     /**
  76      * Retrieves the sessions information from the node.
  77      * @param monitor - a progress monitor
  78      * @throws ExecutionException
  79      */
  80     public void getSessionsFromNode(IProgressMonitor monitor) throws ExecutionException {
  81         String[] sessionNames = getControlService().getSessionNames(monitor);
  82         for (int i = 0; i < sessionNames.length; i++) {
  83             TraceSessionComponent session = new TraceSessionComponent(sessionNames[i], this);
  84             addChild(session);
  85             session.getConfigurationFromNode(monitor);
  86         }
  87     }
  88
  89     /**
  90      * Creates a session with given session name and location.
  91      * @param sessionName - a session name to create
  92      * @param sessionPath - a path for storing the traces (use null for default)
  93      * @return the session information
  94      * throws ExecutionExecption
  95      */
  96     public void createSession(String sessionName, String sessionPath) throws ExecutionException {
  97         createSession(sessionName, sessionPath, new NullProgressMonitor());
  98     }
  99
 100     /**
 101      * Creates a session with given session name and location.
 102      * @param sessionName - a session name to create
 103      * @param sessionPath - a path for storing the traces (use null for default)
 104      * @Param monitor - a progress monitor
 105      * @return the session information
 106      * throws ExecutionExecption
 107      */
 108     public void createSession(String sessionName, String sessionPath, IProgressMonitor monitor) throws ExecutionException {
 109         ISessionInfo sessionInfo = getControlService().createSession(sessionName, sessionPath, monitor);
 110         if (sessionInfo != null) {
 111             TraceSessionComponent session = new TraceSessionComponent(sessionInfo.getName(), TraceSessionGroup.this);
 112             addChild(session);
 113             session.getConfigurationFromNode(monitor);
 114         }
 115     }
 116
 117     /**
 118      * Destroys a session with given session name.
 119      * @param session - a session component to destroy
 120      * throws ExecutionExecption
 121      */
 122     public void destroySession(TraceSessionComponent session) throws ExecutionException {
 123         destroySession(session, new NullProgressMonitor());
 124     }
 125
 126     /**
 127      * Destroys a session with given session name.
 128      * @param session - a session component to destroy
 129      * @param monitor - a progress monitor
 130      * throws ExecutionExecption
 131      */
 132     public void destroySession(TraceSessionComponent session, IProgressMonitor monitor) throws ExecutionException {
 133         getControlService().destroySession(session.getName(), monitor);
 134         session.removeAllChildren();
 135         removeChild(session);
 136     }
 137 }