| /* |
| * 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.brooklyn.ui.modularity.module.registry; |
| |
| import java.util.Collection; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.brooklyn.ui.modularity.module.api.UiModule; |
| import org.apache.brooklyn.ui.modularity.module.api.UiModuleRegistry; |
| |
| public class UiModuleRegistryImpl implements UiModuleRegistry { |
| private static final Logger LOG = LoggerFactory.getLogger(UiModuleRegistryImpl.class); |
| // keyed on UUID (doesn't really matter what) |
| // also note the context paths will normally be unique, as even if diff versions of same bundle are installed, |
| // only one will have the servlet context initialized and thus only one will normally be available here; |
| // however due to asynchronous callback of unregister the register(v2) and unregister(v1) might occur in either order, |
| // so we mustn't key on the slug or the context path here! |
| private final ConcurrentHashMap<String, UiModule> registry = new ConcurrentHashMap<>(); |
| |
| public void register(final UiModule uiModule) { |
| LOG.info("Registering new Brooklyn web component [{}] [{}]", uiModule.getId(), uiModule.getName()); |
| registry.put(uiModule.getId(), uiModule); |
| } |
| |
| public void unregister(final UiModule uiModule) { |
| if (uiModule != null) { |
| LOG.info("Unregistered new Brooklyn web component [{}] [{}]", uiModule.getId(), uiModule.getName()); |
| registry.remove(uiModule.getId()); |
| } |
| } |
| |
| public Collection<UiModule> getRegisteredModules() { |
| return registry.values(); |
| } |
| } |