analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/analysis/os/linux/ui/views/resources/AggregateResourcesEntry.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 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
  10 package org.eclipse.tracecompass.analysis.os.linux.ui.views.resources;
  11
  12 import java.util.ArrayList;
  13 import java.util.Comparator;
  14 import java.util.Iterator;
  15 import java.util.List;
  16
  17 import org.eclipse.jdt.annotation.NonNull;
  18 import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;
  19 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  20 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent;
  21 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  22 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeEvent;
  23
  24 /**
  25  * Internal entry of the aggregate kind, it is one without a state system value,
  26  * it uses other entries and aggregates their values.
  27  *
  28  * @author Matthew Khouzam
  29  */
  30 class AggregateResourcesEntry extends ResourcesEntry {
  31
  32     private final @NonNull List<ITimeGraphEntry> fContributors = new ArrayList<>();
  33
  34     private static final Comparator<ITimeEvent> COMPARATOR = new Comparator<ITimeEvent>() {
  35         @Override
  36         public int compare(ITimeEvent o1, ITimeEvent o2) {
  37             // largest value
  38             return Integer.compare(getValue(o2), getValue(o1));
  39         }
  40
  41         private int getValue(ITimeEvent element) {
  42             return (element instanceof TimeEvent) ? ((TimeEvent) element).getValue() : Integer.MIN_VALUE;
  43         }
  44     };
  45
  46     /**
  47      * AggregateResourcesEntry Constructor
  48      *
  49      * @param trace
  50      *            the parent trace
  51      * @param startTime
  52      *            the start time
  53      * @param endTime
  54      *            the end time
  55      * @param type
  56      *            the type
  57      * @param id
  58      *            the id
  59      */
  60     public AggregateResourcesEntry(@NonNull ITmfTrace trace,
  61             long startTime, long endTime, Type type, int id) {
  62         super(ITmfStateSystem.INVALID_ATTRIBUTE, trace, startTime, endTime, type, id);
  63     }
  64
  65     /**
  66      * Constructor
  67      *
  68      * @param trace
  69      *            The trace on which we are working
  70      * @param name
  71      *            The exec_name of this entry
  72      * @param startTime
  73      *            The start time of this entry lifetime
  74      * @param endTime
  75      *            The end time of this entry
  76      * @param type
  77      *            The type of this entry
  78      * @param id
  79      *            The id of this entry
  80      */
  81     public AggregateResourcesEntry(@NonNull ITmfTrace trace, String name, long startTime, long endTime, Type type, int id) {
  82         super(ITmfStateSystem.INVALID_ATTRIBUTE, trace, name, startTime, endTime, type, id);
  83     }
  84
  85     @Override
  86     public void addEvent(ITimeEvent event) {
  87     }
  88
  89     @Override
  90     public void addZoomedEvent(ITimeEvent event) {
  91     }
  92
  93     @Override
  94     public Iterator<@NonNull ITimeEvent> getTimeEventsIterator() {
  95         return new AggregateEventIterator(fContributors, COMPARATOR);
  96     }
  97
  98     @Override
  99     public Iterator<@NonNull ITimeEvent> getTimeEventsIterator(long startTime, long stopTime, long visibleDuration) {
 100         return new AggregateEventIterator(fContributors, startTime, stopTime, visibleDuration, COMPARATOR);
 101     }
 102
 103     public void addContributor(ITimeGraphEntry entry) {
 104         fContributors.add(entry);
 105     }
 106 }