org.eclipse.linuxtools.lttng2.kernel.ui/src/org/eclipse/linuxtools/internal/lttng2/kernel/ui/viewers/events/LTTng2EventsTable.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 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  *   Francois Chouinard - 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.TmfEventsTable;
  20 import org.eclipse.linuxtools.tmf.ui.viewers.events.columns.TmfEventTableColumn;
  21 import org.eclipse.swt.widgets.Composite;
  22
  23 import com.google.common.collect.ImmutableList;
  24
  25 /**
  26  * Events table specific for LTTng 2.0 kernel traces
  27  */
  28 public class LTTng2EventsTable extends TmfEventsTable {
  29
  30     // ------------------------------------------------------------------------
  31     // Column definition
  32     // ------------------------------------------------------------------------
  33
  34     @SuppressWarnings("null")
  35     private static final @NonNull String CHANNEL_HEADER = Messages.EventsTable_channelColumn;
  36
  37     private static final 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     /**
  67      * Constructor
  68      *
  69      * @param parent
  70      *            The parent composite
  71      * @param cacheSize
  72      *            The size of the rows cache
  73      */
  74     public LTTng2EventsTable(Composite parent, int cacheSize) {
  75         super(parent, cacheSize, LTTNG_COLUMNS);
  76     }
  77 }