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3daf5cba | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: LGPL-2.1-only |
3daf5cba | 3 | * |
c0c0989a MJ |
4 | * Copyright (C) 2015 EfficiOS Inc. |
5 | * Copyright (C) 2015 Alexandre Montplaisir <alexmonthy@efficios.com> | |
3daf5cba AM |
6 | */ |
7 | ||
8 | package org.lttng.ust.agent.session; | |
9 | ||
10 | /** | |
11 | * Event filtering rule present in a tracing session. | |
12 | * | |
13 | * It typically comes from a "lttng enable-event" command, and contains a | |
14 | * domain, event name, log level and filter string. | |
15 | * | |
16 | * @author Alexandre Montplaisir | |
17 | */ | |
18 | public class EventRule { | |
19 | ||
20 | private final String eventName; | |
21 | private final LogLevelSelector logLevelSelector; | |
22 | private final String filterString; | |
23 | ||
24 | /** | |
25 | * Constructor. | |
26 | * | |
27 | * @param eventName | |
28 | * The name of the tracepoint | |
29 | * @param logLevelSelector | |
30 | * The log level of the event rule | |
31 | * @param filterString | |
32 | * The filtering string. May be null if there is no extra filter. | |
33 | */ | |
34 | public EventRule(String eventName, LogLevelSelector logLevelSelector, String filterString) { | |
35 | this.eventName = eventName; | |
36 | this.logLevelSelector = logLevelSelector; | |
37 | this.filterString = filterString; | |
38 | } | |
39 | ||
40 | /** | |
41 | * Get the event name of this rule. | |
42 | * | |
43 | * @return The event name | |
44 | */ | |
45 | public String getEventName() { | |
46 | return eventName; | |
47 | } | |
48 | ||
49 | /** | |
50 | * Get the log level filter configuration of the rule. | |
51 | * | |
52 | * @return The log level selector | |
53 | */ | |
54 | public LogLevelSelector getLogLevelSelector() { | |
55 | return logLevelSelector; | |
56 | } | |
57 | ||
58 | /** | |
59 | * Get the filter string associated with this rule. | |
60 | * | |
61 | * @return The filter string, may be null for no filter string. | |
62 | */ | |
63 | public String getFilterString() { | |
64 | return filterString; | |
65 | } | |
66 | ||
67 | // ------------------------------------------------------------------------ | |
68 | // Methods from Object | |
69 | // ------------------------------------------------------------------------ | |
70 | ||
71 | @Override | |
72 | public int hashCode() { | |
73 | final int prime = 31; | |
74 | int result = 1; | |
75 | result = prime * result + ((eventName == null) ? 0 : eventName.hashCode()); | |
76 | result = prime * result + ((filterString == null) ? 0 : filterString.hashCode()); | |
77 | result = prime * result + ((logLevelSelector == null) ? 0 : logLevelSelector.hashCode()); | |
78 | return result; | |
79 | } | |
80 | ||
81 | @Override | |
82 | public boolean equals(Object obj) { | |
83 | if (this == obj) { | |
84 | return true; | |
85 | } | |
86 | if (obj == null) { | |
87 | return false; | |
88 | } | |
89 | if (getClass() != obj.getClass()) { | |
90 | return false; | |
91 | } | |
92 | EventRule other = (EventRule) obj; | |
93 | ||
94 | if (eventName == null) { | |
95 | if (other.eventName != null) { | |
96 | return false; | |
97 | } | |
98 | } else if (!eventName.equals(other.eventName)) { | |
99 | return false; | |
100 | } | |
101 | /* else, continue */ | |
102 | ||
103 | if (filterString == null) { | |
104 | if (other.filterString != null) { | |
105 | return false; | |
106 | } | |
107 | } else if (!filterString.equals(other.filterString)) { | |
108 | return false; | |
109 | } | |
110 | /* else, continue */ | |
111 | ||
112 | if (logLevelSelector == null) { | |
113 | if (other.logLevelSelector != null) { | |
114 | return false; | |
115 | } | |
116 | } else if (!logLevelSelector.equals(other.logLevelSelector)) { | |
117 | return false; | |
118 | } | |
119 | /* else, continue */ | |
120 | ||
121 | return true; | |
122 | } | |
123 | ||
410d88da AM |
124 | @Override |
125 | public String toString() { | |
126 | return "Event name = " + getEventName() + | |
127 | ", Log level selector = (" + getLogLevelSelector().toString() + ")" + | |
128 | ", Filter string = " + getFilterString(); | |
129 | } | |
3daf5cba | 130 | } |