statesystem/org.eclipse.tracecompass.segmentstore.core/src/org/eclipse/tracecompass/segmentstore/core/segment/interfaces/SegmentAspects.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 École Polytechnique de Montréal
   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
  10 package org.eclipse.tracecompass.segmentstore.core.segment.interfaces;
  11
  12 import org.eclipse.jdt.annotation.Nullable;
  13 import org.eclipse.tracecompass.segmentstore.core.ISegment;
  14
  15 /**
  16  * Interface to return some fields of a segment depending on the interfaces it
  17  * implements
  18  *
  19  * @since 1.2
  20  */
  21 public final class SegmentAspects {
  22
  23     private SegmentAspects() {
  24
  25     }
  26
  27     /**
  28      * Get the name aspect of a segment. If the segment is a
  29      * {@link INamedSegment}, the aspect will return its name. Otherwise, it is
  30      * <code>null</code>
  31      *
  32      * @param segment
  33      *            The segment to get the aspect of
  34      * @return The name of a {@link INamedSegment}, <code>null</code> otherwise
  35      */
  36     public static @Nullable String getName(ISegment segment) {
  37         if (segment instanceof INamedSegment) {
  38             return ((INamedSegment) segment).getName();
  39         }
  40         return null;
  41     }
  42
  43 }