| // |
| // 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 com.cloud.network.resource; |
| |
| import java.util.Hashtable; |
| import java.util.Set; |
| |
| import org.reflections.Reflections; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.Command; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.RequestWrapper; |
| import com.cloud.resource.ServerResource; |
| |
| public class NuageVspRequestWrapper extends RequestWrapper { |
| |
| private static NuageVspRequestWrapper instance; |
| |
| @SuppressWarnings("rawtypes") |
| private final static Set<Class<? extends CommandWrapper>> baseSet; |
| |
| static { |
| Reflections baseWrappers = new Reflections("com.cloud.network.vsp.resource.wrapper"); |
| baseSet = baseWrappers.getSubTypesOf(CommandWrapper.class); |
| instance = new NuageVspRequestWrapper(); |
| } |
| |
| private NuageVspRequestWrapper() { |
| init(); |
| } |
| |
| @SuppressWarnings("rawtypes") |
| private void init() { |
| // NuageVspResource commands |
| final Hashtable<Class<? extends Command>, CommandWrapper> vspCommands = processAnnotations(baseSet); |
| |
| resources.put(NuageVspResource.class, vspCommands); |
| } |
| |
| public static NuageVspRequestWrapper getInstance() { |
| return instance; |
| } |
| |
| @SuppressWarnings("rawtypes") |
| @Override |
| public Answer execute(final Command command, final ServerResource serverResource) { |
| final Class<? extends ServerResource> resourceClass = serverResource.getClass(); |
| |
| final Hashtable<Class<? extends Command>, CommandWrapper> resourceCommands = retrieveResource(command, resourceClass); |
| |
| CommandWrapper<Command, Answer, ServerResource> commandWrapper = retrieveCommands(command.getClass(), resourceCommands); |
| |
| while (commandWrapper == null) { |
| //Could not find the command in the given resource, will traverse the family tree. |
| commandWrapper = retryWhenAllFails(command, resourceClass, resourceCommands); |
| } |
| |
| return commandWrapper.execute(command, serverResource); |
| } |
| } |