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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.internal.analysis.timing.ui.callgraph; | |
11 | ||
12 | import java.util.Comparator; | |
13 | ||
14 | import org.eclipse.jdt.annotation.NonNull; | |
15 | import org.eclipse.jdt.annotation.Nullable; | |
16 | import org.eclipse.tracecompass.common.core.NonNullUtils; | |
17 | import org.eclipse.tracecompass.internal.analysis.timing.core.callgraph.CalledFunction; | |
18 | import org.eclipse.tracecompass.internal.analysis.timing.core.callgraph.Messages; | |
19 | import org.eclipse.tracecompass.segmentstore.core.ISegment; | |
20 | import org.eclipse.tracecompass.tmf.core.segment.ISegmentAspect; | |
21 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
22 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; | |
23 | import org.eclipse.tracecompass.tmf.ui.symbols.ISymbolProvider; | |
24 | import org.eclipse.tracecompass.tmf.ui.symbols.SymbolProviderManager; | |
25 | ||
26 | /** | |
27 | * An aspect used to get the function name of a call stack event or to compare | |
28 | * the duration of two events | |
29 | * | |
30 | * @author Sonia Farrah | |
31 | */ | |
32 | public final class SymbolAspect implements ISegmentAspect { | |
33 | /** | |
34 | * A symbol aspect | |
35 | */ | |
36 | public static final @NonNull ISegmentAspect SYMBOL_ASPECT = new SymbolAspect(); | |
37 | ||
38 | /** | |
39 | * Constructor | |
40 | */ | |
41 | public SymbolAspect() { | |
42 | } | |
43 | ||
44 | @Override | |
45 | public @NonNull String getName() { | |
46 | return NonNullUtils.nullToEmptyString(Messages.CallStack_FunctionName); | |
47 | } | |
48 | ||
49 | @Override | |
50 | public @NonNull String getHelpText() { | |
51 | return NonNullUtils.nullToEmptyString(Messages.CallStack_FunctionName); | |
52 | } | |
53 | ||
54 | @Override | |
55 | public @Nullable Comparator<?> getComparator() { | |
56 | return new Comparator<CalledFunction>() { | |
57 | @Override | |
58 | public int compare(@Nullable CalledFunction o1, @Nullable CalledFunction o2) { | |
59 | if (o1 == null || o2 == null) { | |
60 | throw new IllegalArgumentException(); | |
61 | } | |
62 | return Long.compare(o1.getLength(), o2.getLength()); | |
63 | } | |
64 | }; | |
65 | } | |
66 | ||
67 | @Override | |
68 | public @Nullable Object resolve(@NonNull ISegment segment) { | |
69 | if (segment instanceof CalledFunction) { | |
70 | CalledFunction calledFunction = (CalledFunction) segment; | |
71 | ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace(); | |
72 | if (trace != null) { | |
73 | ISymbolProvider provider = SymbolProviderManager.getInstance().getSymbolProvider(trace); | |
74 | String symbolText = provider.getSymbolText(calledFunction.getAddr()); | |
75 | return symbolText == null ? "0x" + calledFunction.getAddr() : symbolText; //$NON-NLS-1$ | |
76 | } | |
77 | } | |
78 | return null; | |
79 | } | |
80 | } |