analysis/org.eclipse.tracecompass.analysis.lami.core/src/org/eclipse/tracecompass/internal/provisional/analysis/lami/core/aspect/LamiProcessTIDAspect.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.LamiProcess;
  18
  19 /**
  20  * Aspect for process TID
  21  *
  22  * @author Philippe Proulx
  23  */
  24 public class LamiProcessTIDAspect extends LamiTableEntryAspect {
  25
  26     private final int fColIndex;
  27
  28     /**
  29      * Constructor
  30      *
  31      * @param colName
  32      *            Column name
  33      * @param colIndex
  34      *            Column index
  35      */
  36     public LamiProcessTIDAspect(String colName, int colIndex) {
  37         super(colName + " (TID)", null); //$NON-NLS-1$
  38         fColIndex = colIndex;
  39     }
  40
  41     @Override
  42     public boolean isContinuous() {
  43         return false;
  44     }
  45
  46     @Override
  47     public boolean isTimeStamp() {
  48         return false;
  49     }
  50
  51     @Override
  52     public @Nullable String resolveString(LamiTableEntry entry) {
  53         LamiData data = entry.getValue(fColIndex);
  54         if (data instanceof LamiProcess) {
  55             Long tid = ((LamiProcess) data).getTID();
  56
  57             if (tid == null) {
  58                 return null;
  59             }
  60
  61             return tid.toString();
  62         }
  63         /* Could be null, unknown, etc. */
  64         return data.toString();
  65     }
  66
  67     @Override
  68     public @Nullable Double  resolveDouble(LamiTableEntry entry) {
  69         LamiData data = entry.getValue(fColIndex);
  70         if (data instanceof LamiProcess) {
  71             Long tid = ((LamiProcess) data).getTID();
  72
  73             if (tid == null) {
  74                 return null;
  75             }
  76
  77             return Double.valueOf(tid);
  78         }
  79
  80         return null;
  81     }
  82
  83     @Override
  84     public Comparator<LamiTableEntry> getComparator() {
  85         return (o1, o2) -> {
  86             Double dO1 = resolveDouble(o1);
  87             Double dO2 = resolveDouble(o2);
  88             if (dO1 == null || dO2 == null) {
  89                 return 0;
  90             }
  91
  92             return dO1.compareTo(dO2);
  93         };
  94     }
  95 }