alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.incubator.net.meter; |
| 17 | |
| 18 | import org.onosproject.core.ApplicationId; |
| 19 | import org.onosproject.net.DeviceId; |
| 20 | |
| 21 | import java.util.Collection; |
| 22 | import java.util.Collections; |
| 23 | import java.util.Optional; |
| 24 | |
| 25 | import static com.google.common.base.Preconditions.checkArgument; |
| 26 | import static com.google.common.base.Preconditions.checkNotNull; |
| 27 | |
| 28 | /** |
| 29 | * A default implementation of a meter. |
| 30 | */ |
| 31 | public final class DefaultMeter implements Meter { |
| 32 | |
| 33 | |
| 34 | private final MeterId id; |
| 35 | private final ApplicationId appId; |
| 36 | private final Unit unit; |
| 37 | private final boolean burst; |
| 38 | private final Collection<Band> bands; |
| 39 | private final DeviceId deviceId; |
| 40 | private final Optional<MeterContext> context; |
| 41 | |
| 42 | private DefaultMeter(DeviceId deviceId, MeterId id, ApplicationId appId, |
| 43 | Unit unit, boolean burst, |
| 44 | Collection<Band> bands, Optional<MeterContext> context) { |
| 45 | this.deviceId = deviceId; |
| 46 | this.id = id; |
| 47 | this.appId = appId; |
| 48 | this.unit = unit; |
| 49 | this.burst = burst; |
| 50 | this.bands = bands; |
| 51 | this.context = context; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public DeviceId deviceId() { |
| 56 | return deviceId; |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public MeterId id() { |
| 61 | return id; |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public ApplicationId appId() { |
| 66 | return appId; |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public Unit unit() { |
| 71 | return unit; |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public boolean isBurst() { |
| 76 | return burst; |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public Collection<Band> bands() { |
| 81 | return bands; |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public Optional<MeterContext> context() { |
| 86 | return null; |
| 87 | } |
| 88 | |
| 89 | public static Builder builder() { |
| 90 | return new Builder(); |
| 91 | } |
| 92 | |
| 93 | public static final class Builder implements Meter.Builder { |
| 94 | |
| 95 | private MeterId id; |
| 96 | private ApplicationId appId; |
| 97 | private Unit unit = Unit.KB_PER_SEC; |
| 98 | private boolean burst = false; |
| 99 | private Collection<Band> bands; |
| 100 | private DeviceId deviceId; |
| 101 | private Optional<MeterContext> context; |
| 102 | |
| 103 | |
| 104 | @Override |
| 105 | public Meter.Builder forDevice(DeviceId deviceId) { |
| 106 | this.deviceId = deviceId; |
| 107 | return this; |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public Meter.Builder withId(int id) { |
| 112 | this.id = MeterId.meterId(id); |
| 113 | return this; |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public Meter.Builder fromApp(ApplicationId appId) { |
| 118 | this.appId = appId; |
| 119 | return this; |
| 120 | } |
| 121 | |
| 122 | @Override |
| 123 | public Meter.Builder withUnit(Unit unit) { |
| 124 | this.unit = unit; |
| 125 | return this; |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public Meter.Builder burst() { |
| 130 | this.burst = true; |
| 131 | return this; |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public Meter.Builder withBands(Collection<Band> bands) { |
| 136 | this.bands = Collections.unmodifiableCollection(bands); |
| 137 | return this; |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public Meter.Builder withContext(MeterContext context) { |
| 142 | this.context = Optional.<MeterContext>ofNullable(context); |
| 143 | return this; |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public Meter build() { |
| 148 | checkNotNull(deviceId, "Must specify a device"); |
| 149 | checkNotNull(bands, "Must have bands."); |
| 150 | checkArgument(bands.size() > 0, "Must have at least one band."); |
| 151 | checkNotNull(appId, "Must have an application id"); |
| 152 | checkNotNull(id, "Must specify a meter id"); |
| 153 | return new DefaultMeter(deviceId, id, appId, unit, burst, bands, context); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | } |
| 158 | } |