Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 1 | /* |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 2 | * Copyright 2015-2016 Open Networking Laboratory |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [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 | */ |
| 16 | package org.onosproject.net.newresource.impl; |
| 17 | |
| 18 | import com.google.common.annotations.Beta; |
| 19 | import com.google.common.collect.ImmutableList; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 21 | import org.apache.felix.scr.annotations.Component; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 22 | import org.apache.felix.scr.annotations.Deactivate; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.apache.felix.scr.annotations.Service; |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 26 | import org.onlab.util.GuavaCollectors; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 27 | import org.onosproject.event.AbstractListenerManager; |
Sho SHIMIZU | 70ee1ee | 2015-08-06 11:11:52 -0700 | [diff] [blame] | 28 | import org.onosproject.net.newresource.ResourceAdminService; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 29 | import org.onosproject.net.newresource.ResourceAllocation; |
| 30 | import org.onosproject.net.newresource.ResourceConsumer; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 31 | import org.onosproject.net.newresource.ResourceEvent; |
| 32 | import org.onosproject.net.newresource.ResourceListener; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 33 | import org.onosproject.net.newresource.ResourceService; |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 34 | import org.onosproject.net.newresource.Resource; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 35 | import org.onosproject.net.newresource.ResourceStore; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 36 | import org.onosproject.net.newresource.ResourceStoreDelegate; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 37 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 38 | import java.util.Collection; |
| 39 | import java.util.List; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 40 | import java.util.stream.Collectors; |
| 41 | |
| 42 | import static com.google.common.base.Preconditions.checkNotNull; |
| 43 | |
| 44 | /** |
| 45 | * An implementation of ResourceService. |
| 46 | */ |
Sho SHIMIZU | 9a2b829 | 2015-10-28 13:00:16 -0700 | [diff] [blame] | 47 | @Component(immediate = true) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 48 | @Service |
| 49 | @Beta |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 50 | public final class ResourceManager extends AbstractListenerManager<ResourceEvent, ResourceListener> |
| 51 | implements ResourceService, ResourceAdminService { |
Sho SHIMIZU | 70ee1ee | 2015-08-06 11:11:52 -0700 | [diff] [blame] | 52 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 53 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 54 | protected ResourceStore store; |
| 55 | |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 56 | private final ResourceStoreDelegate delegate = new InternalStoreDelegate(); |
| 57 | |
| 58 | @Activate |
| 59 | public void activate() { |
| 60 | store.setDelegate(delegate); |
| 61 | eventDispatcher.addSink(ResourceEvent.class, listenerRegistry); |
| 62 | } |
| 63 | |
| 64 | @Deactivate |
| 65 | public void deactivate() { |
| 66 | store.unsetDelegate(delegate); |
Madan Jampani | a85c694 | 2015-11-09 14:41:48 -0800 | [diff] [blame] | 67 | eventDispatcher.removeSink(ResourceEvent.class); |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 68 | } |
| 69 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 70 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 71 | public List<ResourceAllocation> allocate(ResourceConsumer consumer, |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 72 | List<Resource> resources) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 73 | checkNotNull(consumer); |
| 74 | checkNotNull(resources); |
| 75 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 76 | boolean success = store.allocate(resources, consumer); |
| 77 | if (!success) { |
| 78 | return ImmutableList.of(); |
| 79 | } |
| 80 | |
| 81 | return resources.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 82 | .map(x -> new ResourceAllocation(x, consumer)) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 83 | .collect(Collectors.toList()); |
| 84 | } |
| 85 | |
| 86 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 87 | public boolean release(List<ResourceAllocation> allocations) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 88 | checkNotNull(allocations); |
| 89 | |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 90 | List<Resource> resources = allocations.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 91 | .map(ResourceAllocation::resource) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 92 | .collect(Collectors.toList()); |
| 93 | List<ResourceConsumer> consumers = allocations.stream() |
| 94 | .map(ResourceAllocation::consumer) |
| 95 | .collect(Collectors.toList()); |
| 96 | |
| 97 | return store.release(resources, consumers); |
| 98 | } |
| 99 | |
| 100 | @Override |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 101 | public boolean release(ResourceConsumer consumer) { |
| 102 | checkNotNull(consumer); |
| 103 | |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 104 | Collection<ResourceAllocation> allocations = getResourceAllocations(consumer); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 105 | return release(ImmutableList.copyOf(allocations)); |
| 106 | } |
| 107 | |
| 108 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 109 | public List<ResourceAllocation> getResourceAllocation(Resource resource) { |
Sho SHIMIZU | f853b0e | 2015-09-29 15:15:32 -0700 | [diff] [blame] | 110 | checkNotNull(resource); |
| 111 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 112 | List<ResourceConsumer> consumers = store.getConsumers(resource); |
| 113 | return consumers.stream() |
| 114 | .map(x -> new ResourceAllocation(resource, x)) |
| 115 | .collect(GuavaCollectors.toImmutableList()); |
Sho SHIMIZU | f853b0e | 2015-09-29 15:15:32 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 119 | public <T> Collection<ResourceAllocation> getResourceAllocations(Resource parent, Class<T> cls) { |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 120 | checkNotNull(parent); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 121 | checkNotNull(cls); |
| 122 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 123 | // We access store twice in this method, then the store may be updated by others |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 124 | Collection<Resource> resources = store.getAllocatedResources(parent, cls); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 125 | return resources.stream() |
| 126 | .flatMap(resource -> store.getConsumers(resource).stream() |
| 127 | .map(consumer -> new ResourceAllocation(resource, consumer))) |
| 128 | .collect(GuavaCollectors.toImmutableList()); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 132 | public Collection<ResourceAllocation> getResourceAllocations(ResourceConsumer consumer) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 133 | checkNotNull(consumer); |
| 134 | |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 135 | Collection<Resource> resources = store.getResources(consumer); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 136 | return resources.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 137 | .map(x -> new ResourceAllocation(x, consumer)) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 138 | .collect(Collectors.toList()); |
| 139 | } |
| 140 | |
| 141 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 142 | public Collection<Resource> getAvailableResources(Resource parent) { |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 143 | checkNotNull(parent); |
| 144 | |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 145 | Collection<Resource> children = store.getChildResources(parent); |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 146 | return children.stream() |
| 147 | // We access store twice in this method, then the store may be updated by others |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 148 | .filter(store::isAvailable) |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 149 | .collect(Collectors.toList()); |
| 150 | } |
| 151 | |
| 152 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 153 | public boolean isAvailable(Resource resource) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 154 | checkNotNull(resource); |
| 155 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 156 | return store.isAvailable(resource); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Sho SHIMIZU | 70ee1ee | 2015-08-06 11:11:52 -0700 | [diff] [blame] | 159 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 160 | public boolean registerResources(List<Resource> resources) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 161 | checkNotNull(resources); |
Sho SHIMIZU | 7b1ef13 | 2015-08-19 18:18:13 -0700 | [diff] [blame] | 162 | |
Sho SHIMIZU | 83e17a0 | 2015-08-20 14:07:05 -0700 | [diff] [blame] | 163 | return store.register(resources); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 164 | } |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 165 | |
| 166 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 167 | public boolean unregisterResources(List<Resource> resources) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 168 | checkNotNull(resources); |
Sho SHIMIZU | 7b1ef13 | 2015-08-19 18:18:13 -0700 | [diff] [blame] | 169 | |
HIGUCHI Yuta | 11d1609 | 2015-12-04 23:35:43 -0800 | [diff] [blame] | 170 | return store.unregister(resources); |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 171 | } |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 172 | |
| 173 | private class InternalStoreDelegate implements ResourceStoreDelegate { |
| 174 | @Override |
| 175 | public void notify(ResourceEvent event) { |
| 176 | post(event); |
| 177 | } |
| 178 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 179 | } |