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; |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 37 | import org.slf4j.Logger; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 38 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 39 | import java.util.Collection; |
| 40 | import java.util.List; |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame^] | 41 | import java.util.Set; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 42 | import java.util.stream.Collectors; |
| 43 | |
| 44 | import static com.google.common.base.Preconditions.checkNotNull; |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 45 | import static org.slf4j.LoggerFactory.getLogger; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 46 | |
| 47 | /** |
| 48 | * An implementation of ResourceService. |
| 49 | */ |
Sho SHIMIZU | 9a2b829 | 2015-10-28 13:00:16 -0700 | [diff] [blame] | 50 | @Component(immediate = true) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 51 | @Service |
| 52 | @Beta |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 53 | public final class ResourceManager extends AbstractListenerManager<ResourceEvent, ResourceListener> |
| 54 | implements ResourceService, ResourceAdminService { |
Sho SHIMIZU | 70ee1ee | 2015-08-06 11:11:52 -0700 | [diff] [blame] | 55 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 56 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 57 | protected ResourceStore store; |
| 58 | |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 59 | private final Logger log = getLogger(getClass()); |
| 60 | |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 61 | private final ResourceStoreDelegate delegate = new InternalStoreDelegate(); |
| 62 | |
| 63 | @Activate |
| 64 | public void activate() { |
| 65 | store.setDelegate(delegate); |
| 66 | eventDispatcher.addSink(ResourceEvent.class, listenerRegistry); |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 67 | |
| 68 | log.info("Started"); |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | @Deactivate |
| 72 | public void deactivate() { |
| 73 | store.unsetDelegate(delegate); |
Madan Jampani | a85c694 | 2015-11-09 14:41:48 -0800 | [diff] [blame] | 74 | eventDispatcher.removeSink(ResourceEvent.class); |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 75 | |
| 76 | log.info("Stopped"); |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 77 | } |
| 78 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 79 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 80 | public List<ResourceAllocation> allocate(ResourceConsumer consumer, |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 81 | List<Resource> resources) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 82 | checkNotNull(consumer); |
| 83 | checkNotNull(resources); |
| 84 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 85 | boolean success = store.allocate(resources, consumer); |
| 86 | if (!success) { |
| 87 | return ImmutableList.of(); |
| 88 | } |
| 89 | |
| 90 | return resources.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 91 | .map(x -> new ResourceAllocation(x, consumer)) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 92 | .collect(Collectors.toList()); |
| 93 | } |
| 94 | |
| 95 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 96 | public boolean release(List<ResourceAllocation> allocations) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 97 | checkNotNull(allocations); |
| 98 | |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 99 | List<Resource> resources = allocations.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 100 | .map(ResourceAllocation::resource) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 101 | .collect(Collectors.toList()); |
| 102 | List<ResourceConsumer> consumers = allocations.stream() |
| 103 | .map(ResourceAllocation::consumer) |
| 104 | .collect(Collectors.toList()); |
| 105 | |
| 106 | return store.release(resources, consumers); |
| 107 | } |
| 108 | |
| 109 | @Override |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 110 | public boolean release(ResourceConsumer consumer) { |
| 111 | checkNotNull(consumer); |
| 112 | |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 113 | Collection<ResourceAllocation> allocations = getResourceAllocations(consumer); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 114 | return release(ImmutableList.copyOf(allocations)); |
| 115 | } |
| 116 | |
| 117 | @Override |
Sho SHIMIZU | 4a1e59f | 2016-01-26 15:27:13 -0800 | [diff] [blame] | 118 | public List<ResourceAllocation> getResourceAllocations(Resource resource) { |
Sho SHIMIZU | f853b0e | 2015-09-29 15:15:32 -0700 | [diff] [blame] | 119 | checkNotNull(resource); |
| 120 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 121 | List<ResourceConsumer> consumers = store.getConsumers(resource); |
| 122 | return consumers.stream() |
| 123 | .map(x -> new ResourceAllocation(resource, x)) |
| 124 | .collect(GuavaCollectors.toImmutableList()); |
Sho SHIMIZU | f853b0e | 2015-09-29 15:15:32 -0700 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 128 | public <T> Collection<ResourceAllocation> getResourceAllocations(Resource parent, Class<T> cls) { |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 129 | checkNotNull(parent); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 130 | checkNotNull(cls); |
| 131 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 132 | // 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] | 133 | Collection<Resource> resources = store.getAllocatedResources(parent, cls); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 134 | return resources.stream() |
| 135 | .flatMap(resource -> store.getConsumers(resource).stream() |
| 136 | .map(consumer -> new ResourceAllocation(resource, consumer))) |
| 137 | .collect(GuavaCollectors.toImmutableList()); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | @Override |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 141 | public Collection<ResourceAllocation> getResourceAllocations(ResourceConsumer consumer) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 142 | checkNotNull(consumer); |
| 143 | |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 144 | Collection<Resource> resources = store.getResources(consumer); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 145 | return resources.stream() |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 146 | .map(x -> new ResourceAllocation(x, consumer)) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 147 | .collect(Collectors.toList()); |
| 148 | } |
| 149 | |
| 150 | @Override |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame^] | 151 | public Set<Resource> getAvailableResources(Resource parent) { |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 152 | checkNotNull(parent); |
| 153 | |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame^] | 154 | Set<Resource> children = store.getChildResources(parent); |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 155 | return children.stream() |
| 156 | // 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] | 157 | .filter(store::isAvailable) |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame^] | 158 | .collect(Collectors.toSet()); |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | @Override |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame^] | 162 | public Set<Resource> getRegisteredResources(Resource parent) { |
HIGUCHI Yuta | dff91af | 2016-01-21 16:34:45 -0800 | [diff] [blame] | 163 | checkNotNull(parent); |
| 164 | |
| 165 | return store.getChildResources(parent); |
| 166 | } |
| 167 | |
| 168 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 169 | public boolean isAvailable(Resource resource) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 170 | checkNotNull(resource); |
| 171 | |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 172 | return store.isAvailable(resource); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 173 | } |
| 174 | |
Sho SHIMIZU | 70ee1ee | 2015-08-06 11:11:52 -0700 | [diff] [blame] | 175 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 176 | public boolean registerResources(List<Resource> resources) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 177 | checkNotNull(resources); |
Sho SHIMIZU | 7b1ef13 | 2015-08-19 18:18:13 -0700 | [diff] [blame] | 178 | |
Sho SHIMIZU | 83e17a0 | 2015-08-20 14:07:05 -0700 | [diff] [blame] | 179 | return store.register(resources); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 180 | } |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 181 | |
| 182 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 183 | public boolean unregisterResources(List<Resource> resources) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 184 | checkNotNull(resources); |
Sho SHIMIZU | 7b1ef13 | 2015-08-19 18:18:13 -0700 | [diff] [blame] | 185 | |
HIGUCHI Yuta | 11d1609 | 2015-12-04 23:35:43 -0800 | [diff] [blame] | 186 | return store.unregister(resources); |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 187 | } |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 188 | |
| 189 | private class InternalStoreDelegate implements ResourceStoreDelegate { |
| 190 | @Override |
| 191 | public void notify(ResourceEvent event) { |
| 192 | post(event); |
| 193 | } |
| 194 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 195 | } |