LongBandwidth.java
2.88 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/*
* Copyright 2016-present Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onlab.util;
import com.google.common.collect.ComparisonChain;
/**
* Representation of bandwidth.
* Use the static factory method corresponding to the unit (like Kbps) you desire on instantiation.
*/
final class LongBandwidth implements Bandwidth {
private final long bps;
/**
* Creates a new instance with given bandwidth.
*
* @param bps bandwidth value to be assigned
*/
LongBandwidth(long bps) {
this.bps = bps;
}
// Constructor for serialization
private LongBandwidth() {
this.bps = 0;
}
/**
* Returns bandwidth in bps.
*
* @return bandwidth in bps.
*/
public double bps() {
return bps;
}
/**
* Returns a Bandwidth whose value is (this + value).
*
* @param value value to be added to this Frequency
* @return this + value
*/
public Bandwidth add(Bandwidth value) {
if (value instanceof LongBandwidth) {
return Bandwidth.bps(this.bps + ((LongBandwidth) value).bps);
}
return Bandwidth.bps(this.bps + value.bps());
}
/**
* Returns a Bandwidth whose value is (this - value).
*
* @param value value to be added to this Frequency
* @return this - value
*/
public Bandwidth subtract(Bandwidth value) {
if (value instanceof LongBandwidth) {
return Bandwidth.bps(this.bps - ((LongBandwidth) value).bps);
}
return Bandwidth.bps(this.bps - value.bps());
}
@Override
public int compareTo(Bandwidth other) {
if (other instanceof LongBandwidth) {
return ComparisonChain.start()
.compare(this.bps, ((LongBandwidth) other).bps)
.result();
}
return ComparisonChain.start()
.compare(this.bps, other.bps())
.result();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Bandwidth) {
return this.compareTo((Bandwidth) obj) == 0;
}
return false;
}
@Override
public int hashCode() {
return Long.hashCode(bps);
}
@Override
public String toString() {
return String.valueOf(this.bps);
}
}