analysis/org.eclipse.tracecompass.analysis.lami.core/src/org/eclipse/tracecompass/internal/provisional/analysis/lami/core/aspect/LamiIRQNameAspect.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 EfficiOS Inc., Philippe Proulx
   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.internal.provisional.analysis.lami.core.aspect;
  11
  12 import java.util.Comparator;
  13
  14 import org.eclipse.jdt.annotation.Nullable;
  15 import org.eclipse.tracecompass.internal.provisional.analysis.lami.core.module.LamiTableEntry;
  16 import org.eclipse.tracecompass.internal.provisional.analysis.lami.core.types.LamiData;
  17 import org.eclipse.tracecompass.internal.provisional.analysis.lami.core.types.LamiIRQ;
  18
  19 /**
  20  * Aspect for the IRQ handler names.
  21  *
  22  * This resolves the interrupt handler name, (like i915) from a given table
  23  * entry.
  24  *
  25  * @author Philippe Proulx
  26  */
  27 public class LamiIRQNameAspect extends LamiTableEntryAspect {
  28
  29     private final int fColIndex;
  30
  31     /**
  32      * Constructor
  33      *
  34      * @param colName
  35      *            Column name
  36      * @param colIndex
  37      *            Column index
  38      */
  39     public LamiIRQNameAspect(String colName, int colIndex) {
  40         super(colName + " (" + Messages.LamiAspect_Name +')', null); //$NON-NLS-1$
  41         fColIndex = colIndex;
  42     }
  43
  44     @Override
  45     public boolean isContinuous() {
  46         return false;
  47     }
  48
  49     @Override
  50     public boolean isTimeStamp() {
  51         return false;
  52     }
  53
  54     @Override
  55     public @Nullable String resolveString(LamiTableEntry entry) {
  56         LamiData data = entry.getValue(fColIndex);
  57         if (data instanceof LamiIRQ) {
  58             return ((LamiIRQ) data).getName();
  59         }
  60         /* Could be null, unknown, etc. */
  61         return data.toString();
  62     }
  63
  64     @Override
  65     public @Nullable Double resolveDouble(LamiTableEntry entry) {
  66         return null;
  67     }
  68
  69     @Override
  70     public Comparator<LamiTableEntry> getComparator() {
  71         return (o1, o2) -> {
  72             String s1 = resolveString(o1);
  73             String s2 = resolveString(o2);
  74
  75             if (s1 == null || s2 == null) {
  76                 return 0;
  77             }
  78
  79             return s1.compareTo(s2);
  80         };
  81     }
  82
  83 }