org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/resources/evProcessor/ResourcesTRangeUpdateFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009 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.ui.views.resources.evProcessor;
  13
  14 import java.util.HashMap;
  15 import java.util.Map;
  16
  17 import org.eclipse.linuxtools.lttng.state.StateStrings;
  18 import org.eclipse.linuxtools.lttng.state.evProcessor.AbsEventProcessorFactory;
  19 import org.eclipse.linuxtools.lttng.state.evProcessor.IEventProcessing;
  20
  21 /**
  22  * Builds a Map from string event name to a processing handler object, the
  23  * processors implement the same interface to facilitate transparent methods
  24  * call,
  25  *
  26  * The map key String is the entry point of the raw events. Using a hash speeds
  27  * up the resolution of the appropriate processor
  28  *
  29  * @author alvaro
  30  *
  31  */
  32 public class ResourcesTRangeUpdateFactory extends AbsEventProcessorFactory {
  33     // ========================================================================
  34     // Data
  35     // =======================================================================
  36     private final Map<String, IEventProcessing> eventNametoBeforeProcessor = new HashMap<String, IEventProcessing>();
  37     private final Map<String, IEventProcessing> eventNametoAfterProcessor = new HashMap<String, IEventProcessing>();
  38         private ResourcesTRangeFinishUpdateHandler finishProcessor = null;
  39     private static ResourcesTRangeUpdateFactory instance = null;
  40     private ResourcesTRangeBeforeUpdateHandlers instantiateBeforeHandler = new ResourcesTRangeBeforeUpdateHandlers();
  41     private ResourcesTRangeAfterUpdateHandlers instantiateAfterHandler = new ResourcesTRangeAfterUpdateHandlers();
  42
  43
  44         private ResourcesTRangeUpdateFactory() {
  45         // Create one instance of each individual event handler and add the instance to the map
  46
  47         // *** BEFORE HOOKS ***
  48                 eventNametoBeforeProcessor.put(
  49                                 StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE.getInName(),
  50                                 instantiateBeforeHandler.getBeforeSchedChangeHandler());
  51
  52         eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY
  53                                 .getInName(), instantiateBeforeHandler
  54                                 .getBeforeExecutionModeTrap());
  55                 eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT
  56                                 .getInName(), instantiateBeforeHandler
  57                                 .getBeforeExecutionModeTrap());
  58                 eventNametoBeforeProcessor.put(
  59                                 StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY.getInName(),
  60                                 instantiateBeforeHandler.getBeforeExecutionModeTrap());
  61                 eventNametoBeforeProcessor.put(
  62                                 StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT.getInName(),
  63                                 instantiateBeforeHandler.getBeforeExecutionModeTrap());
  64                 eventNametoBeforeProcessor.put(
  65                                 StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY
  66                                                 .getInName(), instantiateBeforeHandler
  67                                                 .getBeforeExecutionModeTrap());
  68                 eventNametoBeforeProcessor
  69                                 .put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT
  70                                                 .getInName(), instantiateBeforeHandler
  71                                                 .getBeforeExecutionModeTrap());
  72
  73         eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY
  74                                 .getInName(), instantiateBeforeHandler
  75                                 .getBeforeExecutionModeIrq());
  76                 eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT
  77                                 .getInName(), instantiateBeforeHandler
  78                                 .getBeforeExecutionModeIrq());
  79
  80         eventNametoBeforeProcessor.put(
  81                                 StateStrings.Events.LTT_EVENT_SOFT_IRQ_RAISE.getInName(),
  82                                 instantiateBeforeHandler.getBeforeExecutionModeSoftIrq());
  83                 eventNametoBeforeProcessor.put(
  84                                 StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY.getInName(),
  85                                 instantiateBeforeHandler.getBeforeExecutionModeSoftIrq());
  86                 eventNametoBeforeProcessor.put(
  87                                 StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT.getInName(),
  88                                 instantiateBeforeHandler.getBeforeExecutionModeSoftIrq());
  89
  90         eventNametoBeforeProcessor.put(
  91                                 StateStrings.Events.LTT_EVENT_REQUEST_ISSUE.getInName(),
  92                                 instantiateBeforeHandler.getBeforeBdevEvent());
  93                 eventNametoBeforeProcessor.put(
  94                                 StateStrings.Events.LTT_EVENT_REQUEST_COMPLETE.getInName(),
  95                                 instantiateBeforeHandler.getBeforeBdevEvent());
  96
  97
  98
  99         // *** AFTER HOOKS ***
 100                 eventNametoBeforeProcessor.put(
 101                                 StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE.getInName(),
 102                                 instantiateAfterHandler.getAfterSchedChangeHandler());
 103
 104                 finishProcessor = new ResourcesTRangeFinishUpdateHandler();
 105     }
 106
 107
 108     /**
 109      *
 110      */
 111         public static AbsEventProcessorFactory getInstance() {
 112         if (instance == null) {
 113                         instance = new ResourcesTRangeUpdateFactory();
 114         }
 115         return instance;
 116     }
 117
 118     @Override
 119     public IEventProcessing getAfterProcessor(String eventType) {
 120         return eventNametoAfterProcessor.get(eventType);
 121     }
 122
 123     @Override
 124     public IEventProcessing getBeforeProcessor(String eventType) {
 125         return eventNametoBeforeProcessor.get(eventType);
 126     }
 127
 128         @Override
 129         public IEventProcessing getfinishProcessor() {
 130                 return finishProcessor;
 131         }
 132 }