tmf/org.eclipse.tracecompass.tmf.analysis.xml.ui/src/org/eclipse/tracecompass/internal/tmf/analysis/xml/ui/views/latency/PatternDensityViewer.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 package org.eclipse.tracecompass.internal.tmf.analysis.xml.ui.views.latency;
  10
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.eclipse.jdt.annotation.Nullable;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.tracecompass.analysis.timing.core.segmentstore.ISegmentStoreProvider;
  15 import org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.density.AbstractSegmentStoreDensityViewer;
  16 import org.eclipse.tracecompass.internal.tmf.analysis.xml.core.pattern.stateprovider.XmlPatternAnalysis;
  17 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  18 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  19 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
  20
  21 /**
  22  * Displays the latency analysis data in a density chart
  23  *
  24  * @author Jean-Christian Kouame
  25  */
  26 public class PatternDensityViewer extends AbstractSegmentStoreDensityViewer {
  27
  28     private String fAnalysisId;
  29
  30     /**
  31      * Contructor
  32      *
  33      * @param parent
  34      *            The parent composite
  35      */
  36     public PatternDensityViewer(@NonNull Composite parent) {
  37         super(parent);
  38     }
  39
  40     @Override
  41     protected @Nullable ISegmentStoreProvider getSegmentStoreProvider(@NonNull ITmfTrace trace) {
  42         return fAnalysisId != null ? TmfTraceUtils.getAnalysisModuleOfClass(trace, XmlPatternAnalysis.class, fAnalysisId) : null;
  43     }
  44
  45     /**
  46      * Set the analysis ID and update the view
  47      *
  48      * @param analysisId
  49      *            The analysis ID
  50      */
  51     public void updateViewer(String analysisId) {
  52         if (analysisId != null) {
  53             fAnalysisId = analysisId;
  54             final ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
  55             if (trace != null) {
  56                 loadTrace(trace);
  57             }
  58         }
  59     }
  60 }