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1 | /******************************************************************************* |
2 | * Copyright (c) 2015, 2016 EfficiOS Inc., Alexandre Montplaisir | |
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.provisional.analysis.lami.core.types; | |
11 | ||
12 | import java.util.StringJoiner; | |
13 | ||
14 | import org.eclipse.jdt.annotation.NonNull; | |
15 | import org.eclipse.jdt.annotation.Nullable; | |
16 | ||
17 | /** | |
18 | * Class defining a LAMI 'process' type. | |
19 | * | |
20 | * This is the representation of an operating system process. | |
21 | * | |
22 | * @author Alexandre Montplaisir | |
23 | */ | |
24 | public class LamiProcess extends LamiData { | |
25 | ||
26 | private final @Nullable String fName; | |
27 | private final @Nullable Long fPid; | |
28 | private final @Nullable Long fTid; | |
29 | ||
30 | private final String fString; | |
31 | ||
32 | /** | |
33 | * Constructor | |
34 | * | |
35 | * All parameters are optional, but realistically at least one should be | |
36 | * provided! | |
37 | * | |
38 | * @param name | |
39 | * The process name | |
40 | * @param pid | |
41 | * The process's PID | |
42 | * @param tid | |
43 | * The process's TID | |
44 | */ | |
45 | public LamiProcess(@Nullable String name, @Nullable Long pid, @Nullable Long tid) { | |
46 | fName = name; | |
47 | fPid = pid; | |
48 | fTid = tid; | |
49 | ||
50 | fString = generateString(); | |
51 | } | |
52 | ||
53 | /** | |
54 | * Get this process's name, null if unavailable. | |
55 | * | |
56 | * @return The process name | |
57 | */ | |
58 | public @Nullable String getName() { | |
59 | return fName; | |
60 | } | |
61 | ||
62 | /** | |
63 | * Get this process's PID, null if unavailable. | |
64 | * | |
65 | * @return The process PID | |
66 | */ | |
67 | public @Nullable Long getPID() { | |
68 | return fPid; | |
69 | } | |
70 | ||
71 | /** | |
72 | * Get this process's TID, null if unavailable. | |
73 | * | |
74 | * @return The process TID | |
75 | */ | |
76 | public @Nullable Long getTID() { | |
77 | return fTid; | |
78 | } | |
79 | ||
80 | private String generateString() { | |
81 | Long pid = fPid; | |
82 | Long tid = fTid; | |
83 | ||
84 | StringBuilder sb = new StringBuilder(); | |
85 | if (fName != null) { | |
86 | sb.append(fName); | |
87 | } | |
88 | ||
89 | if (pid != null || tid != null) { | |
90 | sb.append(' '); | |
91 | StringJoiner sj = new StringJoiner(", ", "(", ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ | |
92 | if (pid != null) { | |
93 | sj.add("pid=" + pid.toString()); //$NON-NLS-1$ | |
94 | } | |
95 | if (tid != null) { | |
96 | sj.add("tid=" + tid.toString()); //$NON-NLS-1$ | |
97 | } | |
98 | sb.append(sj.toString()); | |
99 | } | |
100 | ||
101 | return sb.toString(); | |
102 | } | |
103 | ||
104 | @Override | |
105 | public @NonNull String toString() { | |
106 | return fString; | |
107 | } | |
108 | ||
109 | } |