xuzhang | 41ad728 | 2015-08-07 15:07:34 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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.app.vtnrsc.tenantnetwork.impl; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.slf4j.LoggerFactory.getLogger; |
| 20 | |
| 21 | import java.util.Collections; |
| 22 | |
| 23 | import org.apache.felix.scr.annotations.Activate; |
| 24 | import org.apache.felix.scr.annotations.Component; |
| 25 | import org.apache.felix.scr.annotations.Deactivate; |
| 26 | import org.apache.felix.scr.annotations.Reference; |
| 27 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 28 | import org.apache.felix.scr.annotations.Service; |
| 29 | import org.onlab.util.KryoNamespace; |
| 30 | import org.onosproject.app.vtnrsc.TenantNetwork; |
| 31 | import org.onosproject.app.vtnrsc.TenantNetworkId; |
| 32 | import org.onosproject.app.vtnrsc.tenantnetwork.TenantNetworkService; |
| 33 | import org.onosproject.store.service.EventuallyConsistentMap; |
| 34 | import org.onosproject.store.service.MultiValuedTimestamp; |
| 35 | import org.onosproject.store.service.StorageService; |
| 36 | import org.onosproject.store.service.WallClockTimestamp; |
| 37 | import org.slf4j.Logger; |
| 38 | |
| 39 | /** |
| 40 | * Provides implementation of the tenantNetworkService. |
| 41 | */ |
| 42 | @Component(immediate = true) |
| 43 | @Service |
| 44 | public class TenantNetworkManager implements TenantNetworkService { |
| 45 | |
| 46 | private static final String NETWORK_ID_NULL = "Network ID cannot be null"; |
| 47 | private static final String NETWORK_NOT_NULL = "Network ID cannot be null"; |
| 48 | |
| 49 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 50 | protected StorageService storageService; |
| 51 | private EventuallyConsistentMap<TenantNetworkId, TenantNetwork> networkIdAsKeyStore; |
| 52 | private final Logger log = getLogger(getClass()); |
| 53 | |
| 54 | @Activate |
| 55 | public void activate() { |
| 56 | KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| 57 | .register(MultiValuedTimestamp.class); |
| 58 | networkIdAsKeyStore = storageService |
| 59 | .<TenantNetworkId, TenantNetwork>eventuallyConsistentMapBuilder() |
| 60 | .withName("all_network").withSerializer(serializer) |
| 61 | .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| 62 | .build(); |
| 63 | log.info("Started"); |
| 64 | } |
| 65 | |
| 66 | @Deactivate |
| 67 | public void deactivate() { |
| 68 | networkIdAsKeyStore.destroy(); |
| 69 | log.info("Stopped"); |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public boolean exists(TenantNetworkId networkId) { |
| 74 | checkNotNull(networkId, NETWORK_ID_NULL); |
| 75 | return networkIdAsKeyStore.containsKey(networkId); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public int getNetworkCount() { |
| 80 | return networkIdAsKeyStore.size(); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public Iterable<TenantNetwork> getNetworks() { |
| 85 | return Collections.unmodifiableCollection(networkIdAsKeyStore.values()); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public TenantNetwork getNetwork(TenantNetworkId networkId) { |
| 90 | checkNotNull(networkId, NETWORK_ID_NULL); |
| 91 | return networkIdAsKeyStore.get(networkId); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public boolean createNetworks(Iterable<TenantNetwork> networks) { |
| 96 | checkNotNull(networks, NETWORK_NOT_NULL); |
| 97 | for (TenantNetwork network : networks) { |
| 98 | networkIdAsKeyStore.put(network.id(), network); |
| 99 | if (!networkIdAsKeyStore.containsKey(network.id())) { |
| 100 | log.debug("the network created failed which identifier was {}", network.id() |
| 101 | .toString()); |
| 102 | return false; |
| 103 | } |
| 104 | } |
| 105 | return true; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public boolean updateNetworks(Iterable<TenantNetwork> networks) { |
| 110 | checkNotNull(networks, NETWORK_NOT_NULL); |
| 111 | for (TenantNetwork network : networks) { |
| 112 | if (!networkIdAsKeyStore.containsKey(network.id())) { |
| 113 | log.debug("the tenantNetwork did not exist whose identifier was {} ", |
| 114 | network.id().toString()); |
| 115 | return false; |
| 116 | } |
| 117 | |
| 118 | networkIdAsKeyStore.put(network.id(), network); |
| 119 | |
| 120 | if (network.equals(networkIdAsKeyStore.get(network.id()))) { |
| 121 | log.debug("the network updated failed whose identifier was {} ", |
| 122 | network.id().toString()); |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | } |
| 127 | return true; |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public boolean removeNetworks(Iterable<TenantNetworkId> networkIds) { |
| 132 | checkNotNull(networkIds, NETWORK_NOT_NULL); |
| 133 | for (TenantNetworkId networkId : networkIds) { |
| 134 | networkIdAsKeyStore.remove(networkId); |
| 135 | if (networkIdAsKeyStore.containsKey(networkId)) { |
| 136 | log.debug("the network removed failed whose identifier was {}", |
| 137 | networkId.toString()); |
| 138 | return false; |
| 139 | } |
| 140 | } |
| 141 | return true; |
| 142 | } |
| 143 | } |