org.eclipse.linuxtools.lttng2.kernel.ui/src/org/eclipse/linuxtools/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.linuxtools.internal.lttng2.kernel.ui.viewers.events;
  14
  15 import java.util.Collection;
  16
  17 import org.eclipse.jdt.annotation.NonNull;
  18 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  19 import org.eclipse.linuxtools.tmf.ui.viewers.events.columns.ITmfEventTableColumns;
  20 import org.eclipse.linuxtools.tmf.ui.viewers.events.columns.TmfEventTableColumn;
  21
  22 import com.google.common.collect.ImmutableList;
  23
  24 /**
  25  * Event table columns for LTTng 2.x kernel traces
  26  */
  27 public class LttngEventTableColumns implements ITmfEventTableColumns {
  28
  29     // ------------------------------------------------------------------------
  30     // Column definition
  31     // ------------------------------------------------------------------------
  32
  33     @SuppressWarnings("null")
  34     private static final @NonNull String CHANNEL_HEADER = Messages.EventsTable_channelColumn;
  35
  36     @SuppressWarnings("null")
  37     private static final @NonNull Collection<TmfEventTableColumn> LTTNG_COLUMNS =
  38             ImmutableList.<TmfEventTableColumn> of(
  39                     TmfEventTableColumn.BaseColumns.TIMESTAMP,
  40                     new LttngChannelColumn(),
  41                     TmfEventTableColumn.BaseColumns.EVENT_TYPE,
  42                     TmfEventTableColumn.BaseColumns.CONTENTS);
  43
  44     private static class LttngChannelColumn extends TmfEventTableColumn {
  45
  46         public LttngChannelColumn() {
  47             super(CHANNEL_HEADER);
  48         }
  49
  50         @Override
  51         public String getItemString(ITmfEvent event) {
  52             String ret = event.getReference();
  53             return (ret == null ? EMPTY_STRING : ret);
  54         }
  55
  56         @Override
  57         public String getFilterFieldId() {
  58             return ITmfEvent.EVENT_FIELD_REFERENCE;
  59         }
  60     }
  61
  62     // ------------------------------------------------------------------------
  63     // Constructor
  64     // ------------------------------------------------------------------------
  65
  66     @Override
  67     public Collection<? extends TmfEventTableColumn> getEventTableColumns() {
  68         return LTTNG_COLUMNS;
  69     }
  70 }