Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 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 | */ |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 16 | package org.onosproject.net.resource; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 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; |
| 23 | |
| 24 | import static com.google.common.base.Preconditions.checkArgument; |
Sho SHIMIZU | 0e1a476 | 2016-02-11 13:04:41 -0800 | [diff] [blame] | 25 | import static com.google.common.base.Preconditions.checkNotNull; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 26 | |
| 27 | /** |
| 28 | * Represents a resource path which specifies a resource which can be measured |
| 29 | * as a discrete unit. A VLAN ID and a MPLS label of a link are examples of the resource. |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 30 | */ |
| 31 | @Beta |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 32 | public final class DiscreteResource implements Resource { |
| 33 | private final DiscreteResourceId id; |
| 34 | |
| 35 | DiscreteResource(DiscreteResourceId id) { |
| 36 | this.id = id; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 37 | } |
| 38 | |
Sho SHIMIZU | f95b96e | 2016-01-25 19:35:15 -0800 | [diff] [blame] | 39 | DiscreteResource() { |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 40 | this.id = ResourceId.ROOT; |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public DiscreteResourceId id() { |
| 45 | return id; |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 46 | } |
| 47 | |
Sho SHIMIZU | 003ed32 | 2016-02-11 12:58:42 -0800 | [diff] [blame] | 48 | @Override |
Sho SHIMIZU | 74ac901 | 2016-02-12 10:03:21 -0800 | [diff] [blame] | 49 | public String simpleTypeName() { |
| 50 | return id.simpleTypeName(); |
| 51 | } |
| 52 | |
| 53 | @Override |
Sho SHIMIZU | 003ed32 | 2016-02-11 12:58:42 -0800 | [diff] [blame] | 54 | public boolean isTypeOf(Class<?> type) { |
| 55 | checkNotNull(type); |
| 56 | |
Sho SHIMIZU | caa2f7b | 2016-02-12 17:38:49 -0800 | [diff] [blame] | 57 | return id.isTypeOf(type); |
Sho SHIMIZU | 003ed32 | 2016-02-11 12:58:42 -0800 | [diff] [blame] | 58 | } |
| 59 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 60 | @Override |
Sho SHIMIZU | b08d586 | 2016-02-11 12:37:28 -0800 | [diff] [blame] | 61 | public boolean isSubTypeOf(Class<?> ancestor) { |
Sho SHIMIZU | 0e1a476 | 2016-02-11 13:04:41 -0800 | [diff] [blame] | 62 | checkNotNull(ancestor); |
| 63 | |
Sho SHIMIZU | caa2f7b | 2016-02-12 17:38:49 -0800 | [diff] [blame] | 64 | return id.isSubTypeOf(ancestor); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | @Override |
Sho SHIMIZU | f08cb4c | 2016-02-11 18:35:59 -0800 | [diff] [blame] | 68 | public <T> Optional<T> valueAs(Class<T> type) { |
| 69 | checkNotNull(type); |
| 70 | |
Sho SHIMIZU | caa2f7b | 2016-02-12 17:38:49 -0800 | [diff] [blame] | 71 | return id.lastComponentAs(type); |
Sho SHIMIZU | 003ed32 | 2016-02-11 12:58:42 -0800 | [diff] [blame] | 72 | } |
| 73 | |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 74 | @Override |
| 75 | public DiscreteResource child(Object child) { |
| 76 | checkArgument(!(child instanceof Class<?>)); |
| 77 | |
Sho SHIMIZU | 460b972 | 2016-01-28 10:48:26 -0800 | [diff] [blame] | 78 | return Resources.discrete(id.child(child)).resource(); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public ContinuousResource child(Class<?> child, double value) { |
Sho SHIMIZU | 460b972 | 2016-01-28 10:48:26 -0800 | [diff] [blame] | 83 | return Resources.continuous(id.child(child)).resource(value); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public Optional<DiscreteResource> parent() { |
Sho SHIMIZU | 460b972 | 2016-01-28 10:48:26 -0800 | [diff] [blame] | 88 | return id.parent().map(x -> Resources.discrete(x).resource()); |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | @Override |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 92 | public int hashCode() { |
| 93 | // the value returing from volume() is excluded due to optimization |
Sho SHIMIZU | 34b55b6 | 2016-01-27 12:49:43 -0800 | [diff] [blame] | 94 | return id.hashCode(); |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public boolean equals(Object obj) { |
| 99 | if (this == obj) { |
| 100 | return true; |
| 101 | } |
| 102 | if (obj == null || getClass() != obj.getClass()) { |
| 103 | return false; |
| 104 | } |
| 105 | final DiscreteResource other = (DiscreteResource) obj; |
| 106 | // the value returing from volume() is excluded due to optimization |
Sho SHIMIZU | 34b55b6 | 2016-01-27 12:49:43 -0800 | [diff] [blame] | 107 | return Objects.equals(this.id, other.id); |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 108 | } |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 109 | |
| 110 | @Override |
| 111 | public String toString() { |
| 112 | return MoreObjects.toStringHelper(this) |
| 113 | .add("id", id) |
Sho SHIMIZU | 2a70451 | 2016-01-26 14:41:34 -0800 | [diff] [blame] | 114 | .toString(); |
| 115 | } |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 116 | } |