Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [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 | 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 | */ |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 16 | package org.onosproject.store.resource.impl; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 17 | |
| 18 | import com.google.common.annotations.Beta; |
Sho SHIMIZU | 83258ae | 2016-01-29 17:39:07 -0800 | [diff] [blame] | 19 | import com.google.common.collect.ImmutableSet; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.apache.felix.scr.annotations.Service; |
Sho SHIMIZU | 65de961 | 2016-05-19 12:24:20 -0700 | [diff] [blame] | 25 | import org.onlab.util.KryoNamespace; |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 26 | import org.onlab.util.Tools; |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 27 | import org.onosproject.net.resource.ContinuousResource; |
| 28 | import org.onosproject.net.resource.ContinuousResourceId; |
| 29 | import org.onosproject.net.resource.DiscreteResource; |
| 30 | import org.onosproject.net.resource.DiscreteResourceId; |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 31 | import org.onosproject.net.resource.Resource; |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 32 | import org.onosproject.net.resource.ResourceAllocation; |
| 33 | import org.onosproject.net.resource.ResourceConsumer; |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 34 | import org.onosproject.net.resource.ResourceConsumerId; |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 35 | import org.onosproject.net.resource.ResourceEvent; |
| 36 | import org.onosproject.net.resource.ResourceId; |
Sho SHIMIZU | e18cb12 | 2016-02-22 21:04:56 -0800 | [diff] [blame] | 37 | import org.onosproject.net.resource.ResourceStore; |
| 38 | import org.onosproject.net.resource.ResourceStoreDelegate; |
| 39 | import org.onosproject.net.resource.Resources; |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 40 | import org.onosproject.store.AbstractStore; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 41 | import org.onosproject.store.serializers.KryoNamespaces; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 42 | import org.onosproject.store.service.CommitStatus; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 43 | import org.onosproject.store.service.Serializer; |
| 44 | import org.onosproject.store.service.StorageService; |
| 45 | import org.onosproject.store.service.TransactionContext; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 46 | import org.slf4j.Logger; |
| 47 | import org.slf4j.LoggerFactory; |
| 48 | |
| 49 | import java.util.Collection; |
Sho SHIMIZU | 69420fe | 2016-02-09 15:01:07 -0800 | [diff] [blame] | 50 | import java.util.LinkedHashMap; |
Sho SHIMIZU | 34847b7 | 2016-06-07 14:31:54 -0700 | [diff] [blame] | 51 | import java.util.LinkedHashSet; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 52 | import java.util.List; |
| 53 | import java.util.Map; |
| 54 | import java.util.Optional; |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 55 | import java.util.Set; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 56 | import java.util.stream.Collectors; |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 57 | import java.util.stream.Stream; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 58 | |
| 59 | import static com.google.common.base.Preconditions.checkArgument; |
| 60 | import static com.google.common.base.Preconditions.checkNotNull; |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 61 | import static org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_ADDED; |
| 62 | import static org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_REMOVED; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 63 | |
| 64 | /** |
| 65 | * Implementation of ResourceStore using TransactionalMap. |
| 66 | */ |
Sho SHIMIZU | 9a2b829 | 2015-10-28 13:00:16 -0700 | [diff] [blame] | 67 | @Component(immediate = true) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 68 | @Service |
| 69 | @Beta |
Sho SHIMIZU | fa62b47 | 2015-11-02 17:35:46 -0800 | [diff] [blame] | 70 | public class ConsistentResourceStore extends AbstractStore<ResourceEvent, ResourceStoreDelegate> |
| 71 | implements ResourceStore { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 72 | private static final Logger log = LoggerFactory.getLogger(ConsistentResourceStore.class); |
| 73 | |
Sho SHIMIZU | 65de961 | 2016-05-19 12:24:20 -0700 | [diff] [blame] | 74 | static final Serializer SERIALIZER = Serializer.using(KryoNamespace.newBuilder() |
| 75 | .register(KryoNamespaces.API) |
| 76 | .register(UnifiedDiscreteResources.class) |
| 77 | .register(new EncodableDiscreteResourcesSerializer(), EncodableDiscreteResources.class) |
Sho SHIMIZU | f503a62 | 2016-05-25 11:12:23 -0700 | [diff] [blame] | 78 | .register(GenericDiscreteResources.class) |
Sho SHIMIZU | 65de961 | 2016-05-19 12:24:20 -0700 | [diff] [blame] | 79 | .register(EmptyDiscreteResources.class) |
Sho SHIMIZU | 2795d63 | 2016-05-25 14:10:13 -0700 | [diff] [blame] | 80 | .register(new EncodedResourcesSerializer(), EncodedDiscreteResources.class) |
Sho SHIMIZU | 65de961 | 2016-05-19 12:24:20 -0700 | [diff] [blame] | 81 | .register(ContinuousResourceAllocation.class) |
Sho SHIMIZU | 9db6da6 | 2016-06-01 12:31:21 -0700 | [diff] [blame] | 82 | .register(PortNumberCodec.class) |
Sho SHIMIZU | 59512bf | 2016-06-01 11:30:58 -0700 | [diff] [blame] | 83 | .register(VlanIdCodec.class) |
| 84 | .register(MplsLabelCodec.class) |
Sho SHIMIZU | 65de961 | 2016-05-19 12:24:20 -0700 | [diff] [blame] | 85 | .build()); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 86 | |
| 87 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 88 | protected StorageService service; |
| 89 | |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 90 | private ConsistentDiscreteResourceSubStore discreteStore; |
| 91 | private ConsistentContinuousResourceSubStore continuousStore; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 92 | |
| 93 | @Activate |
| 94 | public void activate() { |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 95 | discreteStore = new ConsistentDiscreteResourceSubStore(service); |
| 96 | continuousStore = new ConsistentContinuousResourceSubStore(service); |
Sho SHIMIZU | e7db614 | 2015-11-04 11:24:22 -0800 | [diff] [blame] | 97 | |
Madan Jampani | c7f49f9 | 2015-12-10 11:35:06 -0800 | [diff] [blame] | 98 | log.info("Started"); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 99 | } |
| 100 | |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 101 | // Computational complexity: O(1) if the resource is discrete type. |
| 102 | // O(n) if the resource is continuous type where n is the number of the existing allocations for the resource |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 103 | @Override |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 104 | public List<ResourceAllocation> getResourceAllocations(ResourceId id) { |
| 105 | checkNotNull(id); |
| 106 | checkArgument(id instanceof DiscreteResourceId || id instanceof ContinuousResourceId); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 107 | |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 108 | if (id instanceof DiscreteResourceId) { |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 109 | return discreteStore.getResourceAllocations((DiscreteResourceId) id); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 110 | } else { |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 111 | return continuousStore.getResourceAllocations((ContinuousResourceId) id); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 112 | } |
| 113 | } |
| 114 | |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 115 | @Override |
Sho SHIMIZU | ef835c9 | 2016-08-08 13:51:17 -0700 | [diff] [blame] | 116 | public boolean register(List<? extends Resource> resources) { |
Sho SHIMIZU | 83e17a0 | 2015-08-20 14:07:05 -0700 | [diff] [blame] | 117 | checkNotNull(resources); |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 118 | if (log.isTraceEnabled()) { |
| 119 | resources.forEach(r -> log.trace("registering {}", r)); |
| 120 | } |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 121 | |
| 122 | TransactionContext tx = service.transactionContextBuilder().build(); |
| 123 | tx.begin(); |
| 124 | |
Sho SHIMIZU | 69420fe | 2016-02-09 15:01:07 -0800 | [diff] [blame] | 125 | // the order is preserved by LinkedHashMap |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 126 | Map<DiscreteResource, List<Resource>> resourceMap = resources.stream() |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 127 | .filter(x -> x.parent().isPresent()) |
Sho SHIMIZU | 69420fe | 2016-02-09 15:01:07 -0800 | [diff] [blame] | 128 | .collect(Collectors.groupingBy(x -> x.parent().get(), LinkedHashMap::new, Collectors.toList())); |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 129 | |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 130 | TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx); |
| 131 | TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx); |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 132 | for (Map.Entry<DiscreteResource, List<Resource>> entry : resourceMap.entrySet()) { |
Sho SHIMIZU | 001e3f2 | 2016-05-06 14:46:15 -0700 | [diff] [blame] | 133 | DiscreteResourceId parentId = entry.getKey().id(); |
Sho SHIMIZU | d66148a | 2016-05-06 14:47:47 -0700 | [diff] [blame] | 134 | if (!discreteTxStore.lookup(parentId).isPresent()) { |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 135 | return abortTransaction(tx); |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 136 | } |
| 137 | |
Sho SHIMIZU | a2d99eb | 2016-05-06 14:52:55 -0700 | [diff] [blame] | 138 | if (!register(discreteTxStore, continuousTxStore, parentId, entry.getValue())) { |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 139 | return abortTransaction(tx); |
| 140 | } |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 141 | } |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 142 | |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 143 | return tx.commit().whenComplete((status, error) -> { |
| 144 | if (status == CommitStatus.SUCCESS) { |
| 145 | log.trace("Transaction commit succeeded on registration: resources={}", resources); |
| 146 | List<ResourceEvent> events = resources.stream() |
| 147 | .filter(x -> x.parent().isPresent()) |
| 148 | .map(x -> new ResourceEvent(RESOURCE_ADDED, x)) |
| 149 | .collect(Collectors.toList()); |
| 150 | notifyDelegate(events); |
| 151 | } else { |
| 152 | log.warn("Transaction commit failed on registration", error); |
| 153 | } |
| 154 | }).join() == CommitStatus.SUCCESS; |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | @Override |
Sho SHIMIZU | ef835c9 | 2016-08-08 13:51:17 -0700 | [diff] [blame] | 158 | public boolean unregister(List<? extends ResourceId> ids) { |
Sho SHIMIZU | 72f81b1 | 2016-02-09 09:26:17 -0800 | [diff] [blame] | 159 | checkNotNull(ids); |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 160 | |
| 161 | TransactionContext tx = service.transactionContextBuilder().build(); |
| 162 | tx.begin(); |
| 163 | |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 164 | TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx); |
| 165 | TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx); |
Sho SHIMIZU | 7d54d9c | 2016-02-17 13:58:46 -0800 | [diff] [blame] | 166 | // Look up resources by resource IDs |
Sho SHIMIZU | 72f81b1 | 2016-02-09 09:26:17 -0800 | [diff] [blame] | 167 | List<Resource> resources = ids.stream() |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 168 | .filter(x -> x.parent().isPresent()) |
Sho SHIMIZU | 7d54d9c | 2016-02-17 13:58:46 -0800 | [diff] [blame] | 169 | .map(x -> { |
| 170 | // avoid access to consistent map in the case of discrete resource |
| 171 | if (x instanceof DiscreteResourceId) { |
| 172 | return Optional.of(Resources.discrete((DiscreteResourceId) x).resource()); |
| 173 | } else { |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 174 | return continuousTxStore.lookup((ContinuousResourceId) x); |
Sho SHIMIZU | 7d54d9c | 2016-02-17 13:58:46 -0800 | [diff] [blame] | 175 | } |
| 176 | }) |
Sho SHIMIZU | a4861d4 | 2016-05-26 12:25:07 -0700 | [diff] [blame] | 177 | .flatMap(Tools::stream) |
Sho SHIMIZU | 72f81b1 | 2016-02-09 09:26:17 -0800 | [diff] [blame] | 178 | .collect(Collectors.toList()); |
Sho SHIMIZU | 69420fe | 2016-02-09 15:01:07 -0800 | [diff] [blame] | 179 | // the order is preserved by LinkedHashMap |
Sho SHIMIZU | 72f81b1 | 2016-02-09 09:26:17 -0800 | [diff] [blame] | 180 | Map<DiscreteResourceId, List<Resource>> resourceMap = resources.stream() |
Sho SHIMIZU | 69420fe | 2016-02-09 15:01:07 -0800 | [diff] [blame] | 181 | .collect(Collectors.groupingBy(x -> x.parent().get().id(), LinkedHashMap::new, Collectors.toList())); |
Sho SHIMIZU | 83e17a0 | 2015-08-20 14:07:05 -0700 | [diff] [blame] | 182 | |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 183 | for (Map.Entry<DiscreteResourceId, List<Resource>> entry : resourceMap.entrySet()) { |
Sho SHIMIZU | a2d99eb | 2016-05-06 14:52:55 -0700 | [diff] [blame] | 184 | if (!unregister(discreteTxStore, continuousTxStore, entry.getKey(), entry.getValue())) { |
HIGUCHI Yuta | 6acdfd0 | 2016-02-18 10:39:43 -0800 | [diff] [blame] | 185 | log.warn("Failed to unregister {}: Failed to remove {} values.", |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 186 | entry.getKey(), entry.getValue().size()); |
HIGUCHI Yuta | 6acdfd0 | 2016-02-18 10:39:43 -0800 | [diff] [blame] | 187 | log.debug("Failed to unregister {}: Failed to remove values: {}", |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 188 | entry.getKey(), entry.getValue()); |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 189 | return abortTransaction(tx); |
| 190 | } |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 191 | } |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 192 | |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 193 | return tx.commit().whenComplete((status, error) -> { |
| 194 | if (status == CommitStatus.SUCCESS) { |
| 195 | List<ResourceEvent> events = resources.stream() |
| 196 | .filter(x -> x.parent().isPresent()) |
| 197 | .map(x -> new ResourceEvent(RESOURCE_REMOVED, x)) |
| 198 | .collect(Collectors.toList()); |
| 199 | notifyDelegate(events); |
| 200 | } else { |
| 201 | log.warn("Failed to unregister {}: Commit failed.", ids, error); |
| 202 | } |
| 203 | }).join() == CommitStatus.SUCCESS; |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | @Override |
Sho SHIMIZU | ef835c9 | 2016-08-08 13:51:17 -0700 | [diff] [blame] | 207 | public boolean allocate(List<? extends Resource> resources, ResourceConsumer consumer) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 208 | checkNotNull(resources); |
| 209 | checkNotNull(consumer); |
| 210 | |
| 211 | TransactionContext tx = service.transactionContextBuilder().build(); |
| 212 | tx.begin(); |
| 213 | |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 214 | TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx); |
| 215 | TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx); |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 216 | for (Resource resource : resources) { |
Sho SHIMIZU | 171a938 | 2016-02-15 13:56:34 -0800 | [diff] [blame] | 217 | if (resource instanceof DiscreteResource) { |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 218 | if (!discreteTxStore.allocate(consumer.consumerId(), (DiscreteResource) resource)) { |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 219 | return abortTransaction(tx); |
| 220 | } |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 221 | } else if (resource instanceof ContinuousResource) { |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 222 | if (!continuousTxStore.allocate(consumer.consumerId(), (ContinuousResource) resource)) { |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 223 | return abortTransaction(tx); |
| 224 | } |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 225 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 226 | } |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 227 | |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 228 | return tx.commit().join() == CommitStatus.SUCCESS; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | @Override |
Sho SHIMIZU | fc64ffe | 2016-02-10 20:11:09 -0800 | [diff] [blame] | 232 | public boolean release(List<ResourceAllocation> allocations) { |
| 233 | checkNotNull(allocations); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 234 | |
| 235 | TransactionContext tx = service.transactionContextBuilder().build(); |
| 236 | tx.begin(); |
| 237 | |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 238 | TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx); |
| 239 | TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx); |
Sho SHIMIZU | fc64ffe | 2016-02-10 20:11:09 -0800 | [diff] [blame] | 240 | for (ResourceAllocation allocation : allocations) { |
| 241 | Resource resource = allocation.resource(); |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 242 | ResourceConsumerId consumerId = allocation.consumerId(); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 243 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 244 | if (resource instanceof DiscreteResource) { |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 245 | if (!discreteTxStore.release((DiscreteResource) resource, consumerId)) { |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 246 | return abortTransaction(tx); |
| 247 | } |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 248 | } else if (resource instanceof ContinuousResource) { |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 249 | if (!continuousTxStore.release((ContinuousResource) resource, consumerId)) { |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 250 | return abortTransaction(tx); |
| 251 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 252 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 253 | } |
Sho SHIMIZU | 1e0a34c | 2015-11-02 16:52:29 -0800 | [diff] [blame] | 254 | |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 255 | return tx.commit().join() == CommitStatus.SUCCESS; |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 258 | // computational complexity: O(1) if the resource is discrete type. |
| 259 | // O(n) if the resource is continuous type where n is the number of the children of |
| 260 | // the specified resource's parent |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 261 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 262 | public boolean isAvailable(Resource resource) { |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 263 | checkNotNull(resource); |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 264 | checkArgument(resource instanceof DiscreteResource || resource instanceof ContinuousResource); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 265 | |
Sho SHIMIZU | f33b893 | 2016-01-25 18:43:32 -0800 | [diff] [blame] | 266 | if (resource instanceof DiscreteResource) { |
HIGUCHI Yuta | 6f828c3 | 2016-01-20 18:11:05 -0800 | [diff] [blame] | 267 | // check if already consumed |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 268 | return discreteStore.isAvailable((DiscreteResource) resource); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 269 | } else { |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 270 | return continuousStore.isAvailable((ContinuousResource) resource); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 271 | } |
| 272 | } |
| 273 | |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 274 | // computational complexity: O(n + m) where n is the number of entries in discreteConsumers |
| 275 | // and m is the number of allocations for all continuous resources |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 276 | @Override |
Sho SHIMIZU | 8fa670a | 2016-01-14 11:17:18 -0800 | [diff] [blame] | 277 | public Collection<Resource> getResources(ResourceConsumer consumer) { |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 278 | checkNotNull(consumer); |
| 279 | |
| 280 | // NOTE: getting all entries may become performance bottleneck |
| 281 | // TODO: revisit for better backend data structure |
Naoki Shiota | bd1974c | 2016-04-29 18:44:17 -0700 | [diff] [blame] | 282 | Stream<DiscreteResource> discrete = discreteStore.getResources(consumer.consumerId()); |
| 283 | Stream<ContinuousResource> continuous = continuousStore.getResources(consumer.consumerId()); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 284 | |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 285 | return Stream.concat(discrete, continuous).collect(Collectors.toList()); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Sho SHIMIZU | 82bfe99 | 2016-02-10 09:55:32 -0800 | [diff] [blame] | 288 | // computational complexity: O(1) |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 289 | @Override |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 290 | public Set<Resource> getChildResources(DiscreteResourceId parent) { |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 291 | checkNotNull(parent); |
| 292 | |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 293 | return ImmutableSet.<Resource>builder() |
| 294 | .addAll(discreteStore.getChildResources(parent)) |
| 295 | .addAll(continuousStore.getChildResources(parent)) |
| 296 | .build(); |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 297 | } |
| 298 | |
Sho SHIMIZU | 9cc4a24 | 2016-05-26 12:55:35 -0700 | [diff] [blame] | 299 | @Override |
| 300 | public <T> Set<Resource> getChildResources(DiscreteResourceId parent, Class<T> cls) { |
| 301 | checkNotNull(parent); |
| 302 | checkNotNull(cls); |
| 303 | |
| 304 | return ImmutableSet.<Resource>builder() |
| 305 | .addAll(discreteStore.getChildResources(parent, cls)) |
| 306 | .addAll(continuousStore.getChildResources(parent, cls)) |
| 307 | .build(); |
| 308 | } |
| 309 | |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 310 | // computational complexity: O(n) where n is the number of the children of the parent |
Sho SHIMIZU | e7f4f3f | 2015-10-13 16:27:25 -0700 | [diff] [blame] | 311 | @Override |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 312 | public <T> Collection<Resource> getAllocatedResources(DiscreteResourceId parent, Class<T> cls) { |
Sho SHIMIZU | 1f5e591 | 2015-08-10 17:00:00 -0700 | [diff] [blame] | 313 | checkNotNull(parent); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 314 | checkNotNull(cls); |
| 315 | |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 316 | Stream<DiscreteResource> discrete = discreteStore.getAllocatedResources(parent, cls); |
| 317 | Stream<ContinuousResource> continuous = continuousStore.getAllocatedResources(parent, cls); |
Sho SHIMIZU | 6c9e33a | 2016-01-07 18:45:27 -0800 | [diff] [blame] | 318 | |
| 319 | return Stream.concat(discrete, continuous).collect(Collectors.toList()); |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 320 | } |
Sho SHIMIZU | d29847f | 2015-08-13 09:10:59 -0700 | [diff] [blame] | 321 | |
| 322 | /** |
| 323 | * Abort the transaction. |
| 324 | * |
| 325 | * @param tx transaction context |
| 326 | * @return always false |
| 327 | */ |
| 328 | private boolean abortTransaction(TransactionContext tx) { |
| 329 | tx.abort(); |
| 330 | return false; |
| 331 | } |
| 332 | |
| 333 | /** |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 334 | * Appends the values to the existing values associated with the specified key. |
Sho SHIMIZU | 4568c41 | 2015-08-21 16:39:07 -0700 | [diff] [blame] | 335 | * If the map already has all the given values, appending will not happen. |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 336 | * |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 337 | * @param parent resource ID of the parent under which the given resources are registered |
| 338 | * @param resources resources to be registered |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 339 | * @return true if the operation succeeds, false otherwise. |
| 340 | */ |
Sho SHIMIZU | dd3750c | 2016-02-01 11:37:04 -0800 | [diff] [blame] | 341 | // computational complexity: O(n) where n is the number of the specified value |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 342 | private boolean register(TransactionalDiscreteResourceSubStore discreteTxStore, |
| 343 | TransactionalContinuousResourceSubStore continuousTxStore, |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 344 | DiscreteResourceId parent, List<Resource> resources) { |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 345 | // it's assumed that the passed "values" is non-empty |
| 346 | |
| 347 | // This is 2-pass scan. Nicer to have 1-pass scan |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 348 | Set<DiscreteResource> discreteResources = resources.stream() |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 349 | .filter(x -> x instanceof DiscreteResource) |
| 350 | .map(x -> (DiscreteResource) x) |
Sho SHIMIZU | 34847b7 | 2016-06-07 14:31:54 -0700 | [diff] [blame] | 351 | .collect(Collectors.toCollection(LinkedHashSet::new)); |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 352 | Set<ContinuousResource> continuousResources = resources.stream() |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 353 | .filter(x -> x instanceof ContinuousResource) |
| 354 | .map(x -> (ContinuousResource) x) |
Sho SHIMIZU | 34847b7 | 2016-06-07 14:31:54 -0700 | [diff] [blame] | 355 | .collect(Collectors.toCollection(LinkedHashSet::new)); |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 356 | |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 357 | return discreteTxStore.register(parent, discreteResources) |
| 358 | && continuousTxStore.register(parent, continuousResources); |
Sho SHIMIZU | ba41fc1 | 2015-08-12 15:43:22 -0700 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | /** |
Sho SHIMIZU | ba1f83b | 2015-10-14 08:11:20 -0700 | [diff] [blame] | 362 | * Removes the values from the existing values associated with the specified key. |
Sho SHIMIZU | 5618ee5 | 2015-08-21 17:19:44 -0700 | [diff] [blame] | 363 | * If the map doesn't contain the given values, removal will not happen. |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 364 | * |
Sho SHIMIZU | 22fb283 | 2016-05-06 11:44:03 -0700 | [diff] [blame] | 365 | * @param discreteTxStore map holding multiple discrete resources for a key |
| 366 | * @param continuousTxStore map holding multiple continuous resources for a key |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 367 | * @param parent resource ID of the parent under which the given resources are unregistered |
| 368 | * @param resources resources to be unregistered |
Sho SHIMIZU | 2d8a13a | 2015-08-18 22:37:41 -0700 | [diff] [blame] | 369 | * @return true if the operation succeeds, false otherwise |
| 370 | */ |
Sho SHIMIZU | 7ecf5ea | 2016-05-13 15:28:59 -0700 | [diff] [blame] | 371 | private boolean unregister(TransactionalDiscreteResourceSubStore discreteTxStore, |
| 372 | TransactionalContinuousResourceSubStore continuousTxStore, |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 373 | DiscreteResourceId parent, List<Resource> resources) { |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 374 | // it's assumed that the passed "values" is non-empty |
| 375 | |
| 376 | // This is 2-pass scan. Nicer to have 1-pass scan |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 377 | Set<DiscreteResource> discreteResources = resources.stream() |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 378 | .filter(x -> x instanceof DiscreteResource) |
| 379 | .map(x -> (DiscreteResource) x) |
Sho SHIMIZU | 34847b7 | 2016-06-07 14:31:54 -0700 | [diff] [blame] | 380 | .collect(Collectors.toCollection(LinkedHashSet::new)); |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 381 | Set<ContinuousResource> continuousResources = resources.stream() |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 382 | .filter(x -> x instanceof ContinuousResource) |
| 383 | .map(x -> (ContinuousResource) x) |
Sho SHIMIZU | 34847b7 | 2016-06-07 14:31:54 -0700 | [diff] [blame] | 384 | .collect(Collectors.toCollection(LinkedHashSet::new)); |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 385 | |
Sho SHIMIZU | 0b4e9dd | 2016-06-28 17:42:05 -0700 | [diff] [blame] | 386 | return discreteTxStore.unregister(parent, discreteResources) |
| 387 | && continuousTxStore.unregister(parent, continuousResources); |
Sho SHIMIZU | 03be266 | 2016-05-04 09:38:45 -0700 | [diff] [blame] | 388 | } |
Sho SHIMIZU | 78ee25c | 2015-07-16 15:54:14 -0700 | [diff] [blame] | 389 | } |