org.eclipse.linuxtools.lttng.core/src/org/eclipse/linuxtools/lttng/core/control/LttngCoreProviderFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009,2010 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  *   Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.lttng.core.control;
  13
  14 import java.util.HashMap;
  15 import java.util.Map;
  16
  17 import org.eclipse.linuxtools.lttng.core.event.LttngSyntheticEvent;
  18 import org.eclipse.linuxtools.lttng.core.model.LTTngTreeNode;
  19
  20 /**
  21  * @author alvaro
  22  *
  23  */
  24 public class LttngCoreProviderFactory {
  25
  26     // List of provider IDs
  27     public static final int STATISTICS_LTTNG_SYTH_EVENT_PROVIDER = 0;
  28     public static final int CONTROL_FLOW_LTTNG_SYTH_EVENT_PROVIDER = 1;
  29     public static final int RESOURCE_LTTNG_SYTH_EVENT_PROVIDER = 2;
  30
  31     private static final Map<Integer, LttngSyntheticEventProvider> fSyntheticEventProviders = new HashMap<Integer, LttngSyntheticEventProvider>();
  32
  33     /**
  34      * Pre-creates all known LTTng providers.
  35      */
  36     public static void initialize() {
  37         getEventProvider(STATISTICS_LTTNG_SYTH_EVENT_PROVIDER);
  38         getEventProvider(CONTROL_FLOW_LTTNG_SYTH_EVENT_PROVIDER);
  39         getEventProvider(RESOURCE_LTTNG_SYTH_EVENT_PROVIDER);
  40     }
  41
  42     /**
  43      * Gets a SyntheticEventProvider for the given ID. It creates a new provider
  44      * if necessary
  45      *
  46      * @param providerId
  47      * @return
  48      */
  49     public static LttngSyntheticEventProvider getEventProvider(int providerId) {
  50         if (!fSyntheticEventProviders.containsKey(Integer.valueOf(providerId))) {
  51             LttngSyntheticEventProvider synEventProvider = new LttngSyntheticEventProvider(LttngSyntheticEvent.class);
  52             fSyntheticEventProviders.put(Integer.valueOf(providerId), synEventProvider);
  53         }
  54         return fSyntheticEventProviders.get(Integer.valueOf(providerId));
  55     }
  56
  57     /**
  58      * Resets all LTTngSytheticEventProviders associated with the given
  59      * Experiment
  60      *
  61      * @param experimentNode
  62      */
  63     public static void reset(LTTngTreeNode experimentNode) {
  64         for (LttngSyntheticEventProvider provider : fSyntheticEventProviders.values()) {
  65             provider.reset(experimentNode);
  66         }
  67     }
  68 }