org.eclipse.linuxtools.lttng.core.tests/src/org/eclipse/linuxtools/lttng/core/tests/state/handlers/after/StateAfterUpdateFactory.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.core.tests.state.handlers.after;
  13
  14 import java.util.HashMap;
  15 import java.util.Map;
  16
  17 import org.eclipse.linuxtools.lttng.core.state.StateStrings;
  18 import org.eclipse.linuxtools.lttng.core.state.evProcessor.ILttngEventProcessor;
  19
  20 /**
  21  * Builds a Map from string event name to a processing handler object, the
  22  * processors implement the same interface to facilitate transparent methods
  23  * call,
  24  *
  25  * The map key STring is the entry point of the raw events, using a hash speeds
  26  * up the resolution of the appropriate processor
  27  *
  28  * @author alvaro
  29  *
  30  */
  31 public class StateAfterUpdateFactory {
  32         // ========================================================================
  33         // Data
  34         // =======================================================================
  35         private final Map<String, ILttngEventProcessor> eventNametoProcessor = new HashMap<String, ILttngEventProcessor>();
  36         private static StateAfterUpdateFactory instance = null;
  37         private StateAfterUpdateHandlers instantiateHandler = new StateAfterUpdateHandlers();
  38
  39         // ========================================================================
  40         // Constructors
  41         // =======================================================================
  42         private StateAfterUpdateFactory() {
  43                 //create one instance of each individual event handler and add the instance to the map
  44                 eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_ENTRY
  45                                 .getInName(), instantiateHandler.getSyscallEntryHandler());
  46
  47                 eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_EXIT
  48                                 .getInName(), instantiateHandler.getsySyscallExitHandler());
  49
  50 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY
  51 //                              .getInName(), instantiateHandler.getTrapEntryHandler());
  52 //
  53 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT
  54 //                              .getInName(), instantiateHandler.getTrapExitHandler());
  55 //
  56 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY
  57 //                              .getInName(), instantiateHandler.getTrapEntryHandler());
  58 //
  59 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT
  60 //                              .getInName(), instantiateHandler.getTrapExitHandler());
  61 //
  62 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY
  63 //                              .getInName(), instantiateHandler.getTrapEntryHandler());
  64 //
  65 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT
  66 //                              .getInName(), instantiateHandler.getTrapExitHandler());
  67 //
  68 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY
  69 //                              .getInName(), instantiateHandler.getIrqEntryHandler());
  70 //
  71 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT
  72 //                              .getInName(), instantiateHandler.getIrqExitHandler());
  73 //
  74 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_RAISE
  75 //                              .getInName(), instantiateHandler.getSoftIrqRaiseHandler());
  76 //
  77 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY
  78 //                              .getInName(), instantiateHandler.getSoftIrqEntryHandler());
  79 //
  80 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT
  81 //                              .getInName(), instantiateHandler.getSoftIrqExitHandler());
  82 //
  83 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_LIST_INTERRUPT
  84 //                              .getInName(), instantiateHandler.getEnumInterruptHandler());
  85 //
  86 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_ISSUE
  87 //                              .getInName(), instantiateHandler.getBdevRequestIssueHandler());
  88 //
  89 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_REQUEST_COMPLETE
  90 //                              .getInName(), instantiateHandler.getBdevRequestCompleteHandler());
  91 //
  92 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_ENTRY
  93 //                              .getInName(), instantiateHandler.getFunctionEntryHandler());
  94 //
  95 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_EXIT
  96 //                              .getInName(), instantiateHandler.getFunctionExitHandler());
  97 //
  98 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SYS_CALL_TABLE
  99 //                              .getInName(), instantiateHandler.getDumpSyscallHandler());
 100 //
 101 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_KPROBE_TABLE
 102 //                              .getInName(), instantiateHandler.getDumpKprobeHandler());
 103 //
 104 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SOFTIRQ_VEC
 105 //                              .getInName(), instantiateHandler.getDumpSoftIrqHandler());
 106 //
 107 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE
 108 //                              .getInName(), instantiateHandler.getSchedChangeHandler());
 109 //
 110 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FORK
 111 //                              .getInName(), instantiateHandler.getProcessForkHandler());
 112 //
 113 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_KTHREAD_CREATE
 114 //                              .getInName(), instantiateHandler.getProcessKernelThreadHandler());
 115 //
 116 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_EXIT
 117 //                              .getInName(), instantiateHandler.getProcessExitHandler());
 118 //
 119 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_FREE
 120 //                              .getInName(), instantiateHandler.getProcessFreeHandler());
 121 //
 122 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_EXEC
 123 //                              .getInName(), instantiateHandler.getProcessExecHandler());
 124 //
 125 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_THREAD_BRAND
 126 //                              .getInName(), instantiateHandler.GetThreadBrandHandler());
 127 //
 128 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_STATEDUMP_END
 129 //                              .getInName(), instantiateHandler.getStateDumpEndHandler());
 130 //
 131 //              eventNametoProcessor.put(StateStrings.Events.LTT_EVENT_PROCESS_STATE
 132 //                              .getInName(), instantiateHandler.getEnumProcessStateHandler());
 133
 134
 135         }
 136
 137         // ========================================================================
 138         // Public methods
 139         // =======================================================================
 140         /**
 141          * The event processors are common to all traces an multiple instances will
 142          * use more memory unnecessarily
 143          *
 144          * @return
 145          */
 146         public static StateAfterUpdateFactory getInstance() {
 147                 if (instance == null) {
 148                         instance = new StateAfterUpdateFactory();
 149                 }
 150                 return instance;
 151         }
 152
 153         /**
 154          *
 155          * @return The Event Handler corresponding to the type of event
 156          */
 157         public ILttngEventProcessor getEventNametoProcessor(String eventType) {
 158                 return eventNametoProcessor.get(eventType);
 159         }
 160 }