chengfan | 2fff70f | 2015-08-24 18:20:19 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * * Copyright 2015 Open Networking Laboratory |
| 4 | * * |
| 5 | * * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * * you may not use this file except in compliance with the License. |
| 7 | * * You may obtain a copy of the License at |
| 8 | * * |
| 9 | * * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * * |
| 11 | * * Unless required by applicable law or agreed to in writing, software |
| 12 | * * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * * See the License for the specific language governing permissions and |
| 15 | * * limitations under the License. |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | package org.onosproject.incubator.net.tunnel; |
| 20 | |
| 21 | import java.time.Duration; |
| 22 | import java.util.List; |
| 23 | |
| 24 | /** |
| 25 | * Default implementation of immutable tunnel statistics. |
| 26 | */ |
| 27 | public final class DefaultTunnelStatistics implements TunnelStatistics { |
| 28 | private final TunnelId tunnelId; |
| 29 | private final double bwUtilization; |
| 30 | private final double packetLossRatio; |
| 31 | private final Duration flowDelay; |
| 32 | private final List<String> alarms; |
| 33 | |
| 34 | private DefaultTunnelStatistics(TunnelId tunnelId, |
| 35 | double bwUtilization, |
| 36 | double packetLossRatio, |
| 37 | Duration flowDelay, |
| 38 | List<String> alarms) { |
| 39 | this.tunnelId = tunnelId; |
| 40 | this.bwUtilization = bwUtilization; |
| 41 | this.packetLossRatio = packetLossRatio; |
| 42 | this.flowDelay = flowDelay; |
| 43 | this.alarms = alarms; |
| 44 | } |
| 45 | |
| 46 | private DefaultTunnelStatistics() { |
| 47 | this.tunnelId = null; |
| 48 | this.bwUtilization = 0; |
| 49 | this.packetLossRatio = 0; |
| 50 | this.flowDelay = null; |
| 51 | this.alarms = null; |
| 52 | } |
| 53 | |
| 54 | |
| 55 | @Override |
| 56 | public TunnelId id() { |
| 57 | return this.tunnelId; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public double bandwidthUtilization() { |
| 62 | return this.bwUtilization; |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public double packetLossRate() { |
| 67 | return this.packetLossRatio; |
| 68 | } |
| 69 | |
| 70 | @Override |
| 71 | public Duration flowDelay() { |
| 72 | return this.flowDelay; |
| 73 | } |
| 74 | |
| 75 | |
| 76 | @Override |
| 77 | public List<String> alarms() { |
| 78 | return this.alarms; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Builder for tunnelStatistics. |
| 83 | */ |
| 84 | public static final class Builder { |
| 85 | TunnelId tunnelId; |
| 86 | double bwUtilization; |
| 87 | double packetLossRatio; |
| 88 | Duration flowDelay; |
| 89 | List<String> alarms; |
| 90 | |
| 91 | public Builder() { |
| 92 | |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Set tunnel id. |
| 97 | * |
| 98 | * @param tunnelId tunnel id |
| 99 | * @return builder object |
| 100 | */ |
| 101 | public Builder setTunnelId(TunnelId tunnelId) { |
| 102 | this.tunnelId = tunnelId; |
| 103 | |
| 104 | return this; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * set bandwidth utilization. |
| 109 | * |
| 110 | * @param bwUtilization bandwidth utilization |
| 111 | * @return builder object |
| 112 | */ |
| 113 | public Builder setBwUtilization(double bwUtilization) { |
| 114 | this.bwUtilization = bwUtilization; |
| 115 | |
| 116 | return this; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Set packet loss ratio. |
| 121 | * |
| 122 | * @param packetLossRatio packet loss ratio |
| 123 | * @return builder object |
| 124 | */ |
| 125 | public Builder setPacketLossRatio(double packetLossRatio) { |
| 126 | this.packetLossRatio = packetLossRatio; |
| 127 | |
| 128 | return this; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Set flow delay. |
| 133 | * |
| 134 | * @param flowDelay flow delay |
| 135 | * @return builder object |
| 136 | */ |
| 137 | public Builder setFlowDelay(Duration flowDelay) { |
| 138 | this.flowDelay = flowDelay; |
| 139 | |
| 140 | return this; |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Set alarms. |
| 145 | * |
| 146 | * @param alarms alarms of a tunnel |
| 147 | * @return builder object |
| 148 | */ |
| 149 | public Builder setAlarms(List<String> alarms) { |
| 150 | this.alarms = alarms; |
| 151 | |
| 152 | return this; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Creates a TunnelStatistics object. |
| 157 | * |
| 158 | * @return DefaultTunnelStatistics |
| 159 | */ |
| 160 | public DefaultTunnelStatistics build() { |
| 161 | return new DefaultTunnelStatistics(tunnelId, |
| 162 | bwUtilization, |
| 163 | packetLossRatio, |
| 164 | flowDelay, |
| 165 | alarms); |
| 166 | } |
| 167 | } |
| 168 | } |