org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/model/impl/TraceProviderGroup.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.Iterator;
  16 import java.util.List;
  17
  18 import org.eclipse.core.commands.ExecutionException;
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.linuxtools.internal.lttng2.control.core.model.IBaseEventInfo;
  21 import org.eclipse.linuxtools.internal.lttng2.control.core.model.IUstProviderInfo;
  22 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.messages.Messages;
  23 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.ITraceControlComponent;
  24
  25 /**
  26  * <p>
  27  * Implementation of the trace provider group.
  28  * </p>
  29  *
  30  * @author Bernd Hufmann
  31  */
  32 public class TraceProviderGroup extends TraceControlComponent {
  33     // ------------------------------------------------------------------------
  34     // Constants
  35     // ------------------------------------------------------------------------
  36     /**
  37      * Path to icon file for this component.
  38      */
  39     public static final String TRACE_PROVIDERS_ICON_FILE = "icons/obj16/providers.gif"; //$NON-NLS-1$
  40
  41     // ------------------------------------------------------------------------
  42     // Attributes
  43     // ------------------------------------------------------------------------
  44
  45     // ------------------------------------------------------------------------
  46     // Constructors
  47     // ------------------------------------------------------------------------
  48     /**
  49      * Constructor
  50      * @param name - the name of the component.
  51      * @param parent - the parent of this component.
  52      */
  53     public TraceProviderGroup(String name, ITraceControlComponent parent) {
  54         super(name, parent);
  55         setImage(TRACE_PROVIDERS_ICON_FILE);
  56     }
  57
  58     // ------------------------------------------------------------------------
  59     // Accessors
  60     // ------------------------------------------------------------------------
  61
  62     // ------------------------------------------------------------------------
  63     // Operations
  64     // ------------------------------------------------------------------------
  65
  66     /**
  67      * Gets the provider information from the target node.
  68      * @param monitor - a progress monitor
  69      * @throws ExecutionException If the command fails
  70      */
  71     public void getProviderFromNode(IProgressMonitor monitor) throws ExecutionException {
  72
  73         List<IBaseEventInfo> eventInfos = getControlService().getKernelProvider(monitor);
  74
  75         if (!eventInfos.isEmpty()) {
  76             KernelProviderComponent component = new KernelProviderComponent(Messages.TraceControl_KernelProviderDisplayName, this);
  77             addChild(component);
  78             component.setEventInfo(eventInfos);
  79         }
  80
  81         List<IUstProviderInfo> allProviders = getControlService().getUstProvider(monitor);
  82
  83         for (Iterator<IUstProviderInfo> iterator = allProviders.iterator(); iterator.hasNext();) {
  84             IUstProviderInfo ustProviderInfo = iterator.next();
  85             UstProviderComponent ustComponent = new UstProviderComponent(ustProviderInfo.getName(), this);
  86             addChild(ustComponent);
  87             ustComponent.setUstProvider(ustProviderInfo);
  88         }
  89     }
  90
  91     /**
  92      * Returns whether the kernel provider is available or not
  93      * @return <code>true</code> if kernel provide is available or <code>false</code>
  94      */
  95     public boolean hasKernelProvider() {
  96         List<ITraceControlComponent> kernelList = getChildren(KernelProviderComponent.class);
  97         return !kernelList.isEmpty();
  98     }
  99
 100     /**
 101      * Returns if node supports filtering of events
 102      * @return <code>true</code> if node supports filtering else <code>false</code>
 103      */
 104     public boolean isEventFilteringSupported() {
 105         return ((TargetNodeComponent)getParent()).isEventFilteringSupported();
 106     }
 107 }
 108