Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BooleanConfOption |
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| 1.0;1 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | */ | |
18 | package org.apache.giraph.conf; | |
19 | ||
20 | import org.apache.hadoop.conf.Configuration; | |
21 | ||
22 | /** | |
23 | * Boolean configuration option | |
24 | */ | |
25 | public class BooleanConfOption extends AbstractConfOption { | |
26 | /** Default value */ | |
27 | private final boolean defaultValue; | |
28 | ||
29 | /** | |
30 | * Constructor | |
31 | * | |
32 | * @param key configuration key | |
33 | * @param defaultValue default value | |
34 | * @param description configuration description | |
35 | */ | |
36 | public BooleanConfOption(String key, boolean defaultValue, | |
37 | String description) { | |
38 | 0 | super(key, description); |
39 | 0 | this.defaultValue = defaultValue; |
40 | 0 | } |
41 | ||
42 | /** | |
43 | * Get the default value of this option | |
44 | * | |
45 | * @return default value | |
46 | */ | |
47 | public boolean getDefaultValue() { | |
48 | 0 | return defaultValue; |
49 | } | |
50 | ||
51 | @Override public boolean isDefaultValue(Configuration conf) { | |
52 | 0 | return get(conf) == defaultValue; |
53 | } | |
54 | ||
55 | @Override public String getDefaultValueStr() { | |
56 | 0 | return Boolean.toString(defaultValue); |
57 | } | |
58 | ||
59 | @Override public ConfOptionType getType() { | |
60 | 0 | return ConfOptionType.BOOLEAN; |
61 | } | |
62 | ||
63 | /** | |
64 | * Lookup value in Configuration | |
65 | * | |
66 | * @param conf Configuration | |
67 | * @return value for key in conf, or defaultValue if not present | |
68 | */ | |
69 | public boolean get(Configuration conf) { | |
70 | 0 | return conf.getBoolean(getKey(), defaultValue); |
71 | } | |
72 | ||
73 | /** | |
74 | * Check if value is true | |
75 | * | |
76 | * @param conf Configuration | |
77 | * @return true if value is set and true, false otherwise | |
78 | */ | |
79 | public boolean isFalse(Configuration conf) { | |
80 | 0 | return !get(conf); |
81 | } | |
82 | ||
83 | /** | |
84 | * Check if value is false | |
85 | * | |
86 | * @param conf Configuration | |
87 | * @return true if value is set and true, false otherwise | |
88 | */ | |
89 | public boolean isTrue(Configuration conf) { | |
90 | 0 | return get(conf); |
91 | } | |
92 | ||
93 | /** | |
94 | * Set value in configuration for this key | |
95 | * | |
96 | * @param conf Configuration | |
97 | * @param value to set | |
98 | */ | |
99 | public void set(Configuration conf, boolean value) { | |
100 | 0 | conf.setBoolean(getKey(), value); |
101 | 0 | } |
102 | ||
103 | /** | |
104 | * Set value in configuration if it hasn't been set already | |
105 | * | |
106 | * @param conf Configuration | |
107 | * @param value to set | |
108 | */ | |
109 | public void setIfUnset(Configuration conf, boolean value) { | |
110 | 0 | conf.setBooleanIfUnset(getKey(), value); |
111 | 0 | } |
112 | } |