Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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.net.newresource; |
| 17 | |
| 18 | import com.google.common.annotations.Beta; |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 19 | import com.google.common.base.MoreObjects; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 20 | |
| 21 | import java.util.Objects; |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 22 | import java.util.Optional; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 23 | |
Sho SHIMIZU | 0e1a476 | 2016-02-11 13:04:41 -0800 | [diff] [blame] | 24 | import static com.google.common.base.Preconditions.checkNotNull; |
| 25 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 26 | /** |
| 27 | * Represents a resource path which specifies a resource which can be measured |
| 28 | * as continuous value. Bandwidth of a link is an example of the resource. |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 29 | */ |
| 30 | @Beta |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 31 | public final class ContinuousResource implements Resource { |
| 32 | private final ContinuousResourceId id; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 33 | private final double value; |
| 34 | |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 35 | ContinuousResource(ContinuousResourceId id, double value) { |
| 36 | this.id = id; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 37 | this.value = value; |
| 38 | } |
| 39 | |
Sho SHIMIZU | 7f8a7cb | 2016-01-27 15:09:13 -0800 | [diff] [blame] | 40 | // for serializer |
| 41 | ContinuousResource() { |
| 42 | this.id = null; |
| 43 | this.value = 0; |
| 44 | } |
| 45 | |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 46 | @Override |
| 47 | public ContinuousResourceId id() { |
| 48 | return id; |
| 49 | } |
| 50 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 51 | /** |
| 52 | * The user of this methods must receive the return value as Double or double. |
| 53 | * Otherwise, this methods throws an exception. |
| 54 | * |
| 55 | * @param <T> type of the return value |
| 56 | * @return the volume of this resource |
| 57 | */ |
| 58 | @SuppressWarnings("unchecked") |
| 59 | @Override |
| 60 | public <T> T volume() { |
| 61 | return (T) Double.valueOf(value); |
| 62 | } |
| 63 | |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 64 | /** |
| 65 | * Returns the value of the resource amount. |
| 66 | * |
| 67 | * @return the value of the resource amount |
| 68 | */ |
| 69 | // FIXME: overlapping a purpose with volume() |
| 70 | public double value() { |
| 71 | return value; |
| 72 | } |
| 73 | |
| 74 | @Override |
Sho SHIMIZU | b08d586 | 2016-02-11 12:37:28 -0800 | [diff] [blame] | 75 | public boolean isSubTypeOf(Class<?> ancestor) { |
Sho SHIMIZU | 0e1a476 | 2016-02-11 13:04:41 -0800 | [diff] [blame] | 76 | checkNotNull(ancestor); |
| 77 | |
Sho SHIMIZU | 9c02f3a | 2016-01-29 15:11:59 -0800 | [diff] [blame] | 78 | String typeName = (String) id.components().get(id.components().size() - 1); |
Sho SHIMIZU | b08d586 | 2016-02-11 12:37:28 -0800 | [diff] [blame] | 79 | boolean foundInLeaf = typeName.equals(ancestor.getCanonicalName()); |
Sho SHIMIZU | 9c02f3a | 2016-01-29 15:11:59 -0800 | [diff] [blame] | 80 | boolean foundInAncestor = id.components().subList(0, id.components().size()).stream() |
| 81 | .map(Object::getClass) |
Sho SHIMIZU | b08d586 | 2016-02-11 12:37:28 -0800 | [diff] [blame] | 82 | .filter(x -> x.equals(ancestor)) |
Sho SHIMIZU | 9c02f3a | 2016-01-29 15:11:59 -0800 | [diff] [blame] | 83 | .findAny() |
| 84 | .isPresent(); |
| 85 | return foundInAncestor || foundInLeaf; |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public Object last() { |
Sho SHIMIZU | 42ac51f | 2016-01-27 12:59:31 -0800 | [diff] [blame] | 90 | if (id.components().isEmpty()) { |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 91 | return null; |
| 92 | } |
Sho SHIMIZU | 42ac51f | 2016-01-27 12:59:31 -0800 | [diff] [blame] | 93 | return id.components().get(id.components().size() - 1); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public DiscreteResource child(Object child) { |
| 98 | throw new UnsupportedOperationException(); |
| 99 | } |
| 100 | |
| 101 | @Override |
| 102 | public ContinuousResource child(Class<?> child, double value) { |
| 103 | throw new UnsupportedOperationException(); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public Optional<DiscreteResource> parent() { |
Sho SHIMIZU | 460b972 | 2016-01-28 10:48:26 -0800 | [diff] [blame] | 108 | return id.parent().map(x -> Resources.discrete(x).resource()); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 109 | } |
| 110 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 111 | @Override |
| 112 | public int hashCode() { |
Sho SHIMIZU | 34b55b6 | 2016-01-27 12:49:43 -0800 | [diff] [blame] | 113 | return Objects.hash(id, value); |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public boolean equals(Object obj) { |
| 118 | if (this == obj) { |
| 119 | return true; |
| 120 | } |
| 121 | if (obj == null || getClass() != obj.getClass()) { |
| 122 | return false; |
| 123 | } |
| 124 | final ContinuousResource other = (ContinuousResource) obj; |
Sho SHIMIZU | 34b55b6 | 2016-01-27 12:49:43 -0800 | [diff] [blame] | 125 | return Objects.equals(this.id, other.id) |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 126 | && Objects.equals(this.value, other.value); |
| 127 | } |
| 128 | |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 129 | @Override |
| 130 | public String toString() { |
| 131 | return MoreObjects.toStringHelper(this) |
| 132 | .add("id", id) |
| 133 | .add("volume", value) |
| 134 | .toString(); |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 135 | } |
| 136 | } |