| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.processors.service; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.apache.ignite.services.Service; |
| import org.apache.ignite.services.ServiceConfiguration; |
| import org.apache.ignite.services.ServiceDescriptor; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Service's information container. |
| */ |
| public class ServiceInfo implements ServiceDescriptor { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Origin node ID. */ |
| private final UUID originNodeId; |
| |
| /** Service id. */ |
| private final IgniteUuid srvcId; |
| |
| /** Service configuration. */ |
| private final ServiceConfiguration cfg; |
| |
| /** Statically configured flag. */ |
| private final boolean staticCfg; |
| |
| /** Topology snapshot. */ |
| @GridToStringInclude |
| private volatile Map<UUID, Integer> top; |
| |
| /** |
| * @param originNodeId Initiating node id. |
| * @param srvcId Service id. |
| * @param cfg Service configuration. |
| */ |
| public ServiceInfo(@NotNull UUID originNodeId, @NotNull IgniteUuid srvcId, @NotNull ServiceConfiguration cfg) { |
| this(originNodeId, srvcId, cfg, false); |
| } |
| |
| /** |
| * @param originNodeId Initiating node id. |
| * @param srvcId Service id. |
| * @param cfg Service configuration. |
| * @param staticCfg Statically configured flag. |
| */ |
| public ServiceInfo(@NotNull UUID originNodeId, @NotNull IgniteUuid srvcId, @NotNull ServiceConfiguration cfg, |
| boolean staticCfg) { |
| this.originNodeId = originNodeId; |
| this.srvcId = srvcId; |
| this.cfg = cfg; |
| this.staticCfg = staticCfg; |
| } |
| |
| /** |
| * Sets service's new topology snapshot. |
| * |
| * @param top Topology snapshot. |
| */ |
| public void topologySnapshot(@NotNull Map<UUID, Integer> top) { |
| this.top = top; |
| } |
| |
| /** |
| * Returns service's configuration. |
| * |
| * @return Service configuration. |
| */ |
| public ServiceConfiguration configuration() { |
| return cfg; |
| } |
| |
| /** |
| * @return {@code true} if statically configured. |
| */ |
| public boolean staticallyConfigured() { |
| return staticCfg; |
| } |
| |
| /** |
| * Rerurns services id. |
| * |
| * @return Service id. |
| */ |
| public IgniteUuid serviceId() { |
| return srvcId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String name() { |
| return cfg.getName(); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override public Class<? extends Service> serviceClass() { |
| if (cfg instanceof LazyServiceConfiguration) { |
| String clsName = ((LazyServiceConfiguration)cfg).serviceClassName(); |
| |
| try { |
| return (Class<? extends Service>)Class.forName(clsName); |
| } |
| catch (ClassNotFoundException e) { |
| throw new IgniteException("Failed to find service class: " + clsName, e); |
| } |
| } |
| else |
| return cfg.getService().getClass(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int totalCount() { |
| return cfg.getTotalCount(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int maxPerNodeCount() { |
| return cfg.getMaxPerNodeCount(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public String cacheName() { |
| return cfg.getCacheName(); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Nullable @Override public <K> K affinityKey() { |
| return (K)cfg.getAffinityKey(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public UUID originNodeId() { |
| return originNodeId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<UUID, Integer> topologySnapshot() { |
| return top == null ? Collections.emptyMap() : Collections.unmodifiableMap(top); |
| } |
| |
| /** |
| * Whether service topology was initialized. |
| * |
| * @return {@code True} if service topology was initialized. |
| */ |
| public boolean topologyInitialized() { |
| return top != null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(ServiceInfo.class, this); |
| } |
| } |