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1 | /******************************************************************************* |
2 | * Copyright (c) 2015 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * 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 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.latency.statistics; | |
13 | ||
14 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; | |
15 | ||
16 | import java.text.NumberFormat; | |
17 | import java.util.ArrayList; | |
18 | import java.util.List; | |
19 | import java.util.Locale; | |
20 | ||
21 | import org.eclipse.jdt.annotation.Nullable; | |
22 | import org.eclipse.jface.viewers.Viewer; | |
23 | import org.eclipse.jface.viewers.ViewerComparator; | |
24 | import org.eclipse.swt.widgets.Composite; | |
25 | import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.statistics.LatencyStatistics; | |
26 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Activator; | |
27 | import org.eclipse.tracecompass.tmf.core.analysis.TmfAbstractAnalysisModule; | |
28 | import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException; | |
29 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
30 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.AbstractTmfTreeViewer; | |
31 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeColumnDataProvider; | |
32 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeColumnData; | |
33 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeViewerEntry; | |
34 | ||
35 | /** | |
36 | * An abstract tree viewer implementation for displaying latency statistics | |
37 | * | |
38 | * @author Bernd Hufmann | |
39 | * | |
40 | */ | |
41 | public abstract class AbstractLatencyStatisticsViewer extends AbstractTmfTreeViewer { | |
42 | ||
43 | private static final NumberFormat FORMATTER = checkNotNull(NumberFormat.getNumberInstance(Locale.getDefault())); | |
44 | ||
45 | @Nullable private TmfAbstractAnalysisModule fModule; | |
46 | ||
47 | private static final String[] COLUMN_NAMES = new String[] { | |
48 | checkNotNull(Messages.LatencyStatistics_LevelLabel), | |
49 | checkNotNull(Messages.LatencyStatistics_MinLabel), | |
50 | checkNotNull(Messages.LatencyStatistics_MaxLabel), | |
51 | checkNotNull(Messages.LatencyStatistics_AverageLabel) | |
52 | }; | |
53 | ||
54 | /** | |
55 | * Constructor | |
56 | * | |
57 | * @param parent | |
58 | * the parent composite | |
59 | */ | |
60 | public AbstractLatencyStatisticsViewer(Composite parent) { | |
61 | super(parent, false); | |
62 | setLabelProvider(new LatencyLabelProvider()); | |
63 | } | |
64 | ||
65 | /** Provides label for the Latency tree viewer cells */ | |
66 | protected static class LatencyLabelProvider extends TreeLabelProvider { | |
67 | ||
68 | @Override | |
69 | public String getColumnText(@Nullable Object element, int columnIndex) { | |
70 | String value = ""; //$NON-NLS-1$ | |
71 | if (element instanceof HiddenTreeViewerEntry) { | |
72 | if (columnIndex == 0) { | |
73 | value = ((HiddenTreeViewerEntry) element).getName(); | |
74 | } | |
75 | } else { | |
76 | LatencyTreeViewerEntry obj = (LatencyTreeViewerEntry) element; | |
77 | if (obj != null) { | |
78 | if (columnIndex == 0) { | |
79 | value = String.valueOf(obj.getName()); | |
80 | } else if (columnIndex == 1) { | |
81 | value = toFormattedString(obj.getEntry().getMin()); | |
82 | } else if (columnIndex == 2) { | |
83 | value = String.valueOf(toFormattedString(obj.getEntry().getMax())); | |
84 | } else if (columnIndex == 3) { | |
85 | value = String.valueOf(toFormattedString(obj.getEntry().getAverage())); | |
86 | } | |
87 | } | |
88 | } | |
89 | return checkNotNull(value); | |
90 | } | |
91 | } | |
92 | ||
93 | /** | |
94 | * Creates the statistics analysis module | |
95 | * | |
96 | * @return the statistics analysis module | |
97 | */ | |
98 | @Nullable protected abstract TmfAbstractAnalysisModule createStatisticsAnalysiModule(); | |
99 | ||
100 | /** | |
101 | * Gets the statistics analysis module | |
102 | * @return the statistics analysis module | |
103 | */ | |
104 | @Nullable public TmfAbstractAnalysisModule getStatisticsAnalysisModule() { | |
105 | return fModule; | |
106 | } | |
107 | ||
108 | @Override | |
109 | protected ITmfTreeColumnDataProvider getColumnDataProvider() { | |
110 | return new ITmfTreeColumnDataProvider() { | |
111 | ||
112 | @Override | |
113 | public List<TmfTreeColumnData> getColumnData() { | |
114 | /* All columns are sortable */ | |
115 | List<TmfTreeColumnData> columns = new ArrayList<>(); | |
116 | TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]); | |
117 | column.setComparator(new ViewerComparator() { | |
118 | @Override | |
119 | public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) { | |
120 | if ((e1 == null) || (e2 == null)) { | |
121 | return 0; | |
122 | } | |
123 | ||
124 | LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1; | |
125 | LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2; | |
126 | ||
127 | return n1.getName().compareTo(n2.getName()); | |
128 | ||
129 | } | |
130 | }); | |
131 | columns.add(column); | |
132 | column = new TmfTreeColumnData(COLUMN_NAMES[1]); | |
133 | column.setComparator(new ViewerComparator() { | |
134 | @Override | |
135 | public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) { | |
136 | if ((e1 == null) || (e2 == null)) { | |
137 | return 0; | |
138 | } | |
139 | ||
140 | LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1; | |
141 | LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2; | |
142 | ||
143 | return Long.compare(n1.getEntry().getMin(), n2.getEntry().getMin()); | |
144 | ||
145 | } | |
146 | }); | |
147 | columns.add(column); | |
148 | column = new TmfTreeColumnData(COLUMN_NAMES[2]); | |
149 | column.setComparator(new ViewerComparator() { | |
150 | @Override | |
151 | public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) { | |
152 | if ((e1 == null) || (e2 == null)) { | |
153 | return 0; | |
154 | } | |
155 | ||
156 | LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1; | |
157 | LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2; | |
158 | ||
159 | return Long.compare(n1.getEntry().getMax(), n2.getEntry().getMax()); | |
160 | ||
161 | } | |
162 | }); | |
163 | columns.add(column); | |
164 | column = new TmfTreeColumnData(COLUMN_NAMES[3]); | |
165 | column.setComparator(new ViewerComparator() { | |
166 | @Override | |
167 | public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) { | |
168 | if ((e1 == null) || (e2 == null)) { | |
169 | return 0; | |
170 | } | |
171 | ||
172 | LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1; | |
173 | LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2; | |
174 | ||
175 | return Double.compare(n1.getEntry().getAverage(), n2.getEntry().getAverage()); | |
176 | ||
177 | } | |
178 | }); | |
179 | columns.add(column); | |
180 | ||
181 | return columns; | |
182 | } | |
183 | ||
184 | }; | |
185 | } | |
186 | ||
187 | ||
188 | @Override | |
189 | public void initializeDataSource() { | |
190 | /* Should not be called while trace is still null */ | |
191 | ITmfTrace trace = checkNotNull(getTrace()); | |
192 | TmfAbstractAnalysisModule module = createStatisticsAnalysiModule(); | |
193 | if (module == null) { | |
194 | return; | |
195 | } | |
196 | try { | |
197 | module.setTrace(trace); | |
198 | module.schedule(); | |
199 | fModule = module; | |
200 | } catch (TmfAnalysisException e) { | |
201 | Activator.getDefault().logError("Error initializing statistics analysis module", e); //$NON-NLS-1$ | |
202 | } | |
203 | } | |
204 | ||
205 | /** | |
206 | * Formats a double value string | |
207 | * | |
208 | * @param value | |
209 | * a value to format | |
210 | * @return formatted value | |
211 | */ | |
212 | protected static String toFormattedString(double value) { | |
213 | // The cast to long is needed because the formatter cannot truncate the number. | |
214 | String percentageString = checkNotNull(String.format("%s", FORMATTER.format(value))); //$NON-NLS-1$ | |
215 | return percentageString; | |
216 | } | |
217 | ||
218 | /** | |
219 | * Class for defining an entry in the statistics tree. | |
220 | */ | |
221 | protected class LatencyTreeViewerEntry extends TmfTreeViewerEntry { | |
222 | private LatencyStatistics fEntry; | |
223 | ||
224 | /** | |
225 | * Constructor | |
226 | * | |
227 | * @param name | |
228 | * name of entry | |
229 | * | |
230 | * @param entry | |
231 | * latency statistics object | |
232 | */ | |
233 | public LatencyTreeViewerEntry(String name, LatencyStatistics entry) { | |
234 | super(name); | |
235 | fEntry = entry; | |
236 | } | |
237 | ||
238 | /** | |
239 | * Gets the statistics object | |
240 | * | |
241 | * @return statistics object | |
242 | */ | |
243 | public LatencyStatistics getEntry() { | |
244 | return fEntry; | |
245 | } | |
246 | ||
247 | } | |
248 | ||
249 | /** | |
250 | * Class to define a level in the tree that doesn't have any values. | |
251 | */ | |
252 | protected class HiddenTreeViewerEntry extends LatencyTreeViewerEntry { | |
253 | /** | |
254 | * Constructor | |
255 | * | |
256 | * @param name | |
257 | * the name of the level | |
258 | */ | |
259 | public HiddenTreeViewerEntry(String name) { | |
260 | super(name, new LatencyStatistics()); | |
261 | } | |
262 | } | |
263 | ||
264 | } |