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1 | /******************************************************************************* |
2 | * Copyright (c) 2011 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 | * Contributors: | |
10 | * Mathieu Denis (mathieu.denis@polymtl.ca) - Initial API | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.ui.views.statistics.model; | |
14 | ||
15 | import java.util.HashMap; | |
16 | import java.util.Map; | |
17 | ||
b544077e BH |
18 | /** |
19 | * Factory class to create and store TMF statistic trees. | |
20 | * | |
21 | * Based on a given tree node ID a TMF statistic tree is stored internally. | |
22 | * A root node is created for each tree. Using the tree node ID the statistics | |
23 | * tree can be retrieved. | |
24 | * | |
25 | * @version 1.0 | |
26 | * @author Mathieu Denis | |
27 | * | |
28 | */ | |
79e08fd0 BH |
29 | public class TmfStatisticsTreeRootFactory { |
30 | ||
31 | // ----------------------------------------------------------------------- | |
32 | // Data | |
33 | // ----------------------------------------------------------------------- | |
34 | /** | |
35 | * Contains the experiment name as the key and the traces data | |
36 | */ | |
37 | private static final Map<String, AbsTmfStatisticsTree> fTreeInstances = new HashMap<String, AbsTmfStatisticsTree>(); | |
38 | ||
39 | // ----------------------------------------------------------------------- | |
40 | // Methods | |
41 | // ----------------------------------------------------------------------- | |
42 | ||
43 | /** | |
44 | * Provide a statisticsTree instance per trace | |
45 | * | |
0d9a6d76 | 46 | * @return the corresponding trace statistics tree |
79e08fd0 BH |
47 | */ |
48 | public static TmfStatisticsTreeNode getStatTreeRoot(String traceUniqueId) { | |
49 | ||
50 | AbsTmfStatisticsTree tree = getStatTree(traceUniqueId); | |
51 | if (tree == null) { | |
52 | return null; | |
53 | } | |
54 | return tree.getOrCreate(AbsTmfStatisticsTree.ROOT); | |
55 | } | |
56 | ||
57 | /** | |
58 | * | |
59 | * @param traceUniqueId | |
0d9a6d76 | 60 | * @return the corresponding trace statistics tree |
79e08fd0 BH |
61 | */ |
62 | public static AbsTmfStatisticsTree getStatTree(String traceUniqueId) { | |
63 | if (traceUniqueId == null) | |
64 | return null; | |
65 | ||
66 | AbsTmfStatisticsTree tree = fTreeInstances.get(traceUniqueId); | |
67 | return tree; | |
68 | } | |
69 | ||
70 | /** | |
71 | * Add the new trace statistics data in the tree. Can be used later on if the same traces is selected back. | |
72 | * | |
0d9a6d76 | 73 | * @param traceUniqueId |
79e08fd0 BH |
74 | * the name of the trace which will be used as a key to store the data. Must be different for each traces, otherwise the traces might |
75 | * be overwritten which would trigger a reload of the same trace. | |
0d9a6d76 | 76 | * @param statsData |
79e08fd0 BH |
77 | * the information about the trace |
78 | */ | |
79 | public static void addStatsTreeRoot(String traceUniqueId, AbsTmfStatisticsTree statsData) { | |
80 | if (traceUniqueId == null || statsData == null) | |
81 | return; | |
82 | ||
83 | fTreeInstances.put(traceUniqueId, statsData); | |
84 | // if called for the first time, create the root node | |
85 | statsData.getOrCreate(AbsTmfStatisticsTree.ROOT); | |
86 | } | |
87 | ||
88 | /** | |
89 | * | |
90 | * @param traceUniqueId | |
0d9a6d76 | 91 | * @return true if the trace id is known |
79e08fd0 BH |
92 | */ |
93 | public static boolean containsTreeRoot(String traceUniqueId) { | |
94 | return fTreeInstances.containsKey(traceUniqueId); | |
95 | } | |
96 | ||
97 | /** | |
98 | * Remove previously registered statistics tree. | |
99 | * | |
100 | * @param traceUniqueId | |
101 | */ | |
102 | public static void removeStatTreeRoot(String traceUniqueId) { | |
103 | if (traceUniqueId != null && fTreeInstances.containsKey(traceUniqueId)) { | |
104 | fTreeInstances.remove(traceUniqueId); | |
105 | } | |
106 | } | |
107 | ||
108 | /** | |
109 | * Remove all tree and root instances | |
110 | */ | |
111 | public static void removeAll() { | |
112 | fTreeInstances.clear(); | |
113 | } | |
114 | } |