org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/viewers/events/columns/TmfSourceColumn.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.tmf.ui.viewers.events.columns;
  14
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  17 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  18 import org.eclipse.linuxtools.tmf.ui.viewers.events.columns.TmfEventTableColumn;
  19
  20 /**
  21  * Column for the event source
  22  *
  23  * TODO Remove me, replace with trace-type-specific columns
  24  */
  25 public final class TmfSourceColumn extends TmfEventTableColumn {
  26
  27     @SuppressWarnings("null")
  28     private static final @NonNull String HEADER = Messages.TmfEventsTable_SourceColumnHeader;
  29
  30     /**
  31      * Constructor
  32      */
  33     public TmfSourceColumn() {
  34         super(HEADER);
  35     }
  36
  37     @Override
  38     public String getItemString(ITmfEvent event) {
  39         String source = event.getSource();
  40         return (source == null ? EMPTY_STRING : source);
  41     }
  42
  43     @Override
  44     public String getFilterFieldId() {
  45         return ITmfEvent.EVENT_FIELD_SOURCE;
  46     }
  47 }