org.eclipse.tracecompass.lttng2.kernel.ui/src/org/eclipse/tracecompass/internal/lttng2/kernel/ui/viewers/events/LttngEventTableColumns.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 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  *   Alexandre Montplaisir - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.lttng2.kernel.ui.viewers.events;
  14
  15 import java.util.Collection;
  16
  17 import org.eclipse.jdt.annotation.NonNull;
  18 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  19 import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
  20 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  21 import org.eclipse.tracecompass.tmf.ui.viewers.events.columns.ITmfEventTableColumns;
  22 import org.eclipse.tracecompass.tmf.ui.viewers.events.columns.TmfEventTableColumn;
  23
  24 import com.google.common.collect.ImmutableList;
  25
  26 /**
  27  * Event table columns for LTTng 2.x kernel traces
  28  */
  29 public class LttngEventTableColumns implements ITmfEventTableColumns {
  30
  31     // ------------------------------------------------------------------------
  32     // Column definition
  33     // ------------------------------------------------------------------------
  34
  35     @SuppressWarnings("null")
  36     private static final @NonNull String CHANNEL_HEADER = Messages.EventsTable_channelColumn;
  37
  38     @SuppressWarnings("null")
  39     private static final @NonNull Collection<TmfEventTableColumn> LTTNG_COLUMNS =
  40             ImmutableList.<TmfEventTableColumn> of(
  41                     new TmfEventTableColumn(ITmfEventAspect.BaseAspects.TIMESTAMP),
  42                     new TmfEventTableColumn(new LttngChannelAspect()),
  43                     new TmfEventTableColumn(ITmfEventAspect.BaseAspects.EVENT_TYPE),
  44                     new TmfEventTableColumn(ITmfEventAspect.BaseAspects.CONTENTS));
  45
  46     private static class LttngChannelAspect implements ITmfEventAspect {
  47
  48         @Override
  49         public String getName() {
  50             return CHANNEL_HEADER;
  51         }
  52
  53         @Override
  54         public String getHelpText() {
  55             return EMPTY_STRING;
  56         }
  57
  58         @Override
  59         public String resolve(ITmfEvent event) {
  60             if (!(event instanceof CtfTmfEvent)) {
  61                 return EMPTY_STRING;
  62             }
  63             String ret = ((CtfTmfEvent) event).getReference();
  64             return (ret == null ? EMPTY_STRING : ret);
  65         }
  66
  67         @Override
  68         public String getFilterId() {
  69             return ITmfEvent.EVENT_FIELD_REFERENCE;
  70         }
  71     }
  72
  73     // ------------------------------------------------------------------------
  74     // Constructor
  75     // ------------------------------------------------------------------------
  76
  77     @Override
  78     public Collection<? extends TmfEventTableColumn> getEventTableColumns() {
  79         return LTTNG_COLUMNS;
  80     }
  81 }