| /* |
| * 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.ambari.server.cleanup; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.ambari.server.orm.dao.Cleanable; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Scopes; |
| import com.google.inject.multibindings.Multibinder; |
| |
| /** |
| * Configuration module for the cleanup framework. |
| */ |
| public class CleanupModule extends AbstractModule { |
| private static final Logger LOG = LoggerFactory.getLogger(CleanupModule.class); |
| |
| /** |
| * Selectors identifying objects to be bound. |
| * |
| * @return a list with interface and annotation types |
| */ |
| protected List<Class<?>> getSelectors() { |
| List<Class<?>> selectorList = new ArrayList<>(); |
| selectorList.add(Cleanable.class); |
| return selectorList; |
| } |
| |
| /** |
| * Gets the list of types to be excluded from bindings. |
| * |
| * @return a list with types to be left out from dynamic bindings |
| */ |
| protected List<Class<?>> getExclusions() { |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * Returns the package to be scanned for bindings of this module. |
| * |
| * @return the name of the package to be scanned |
| */ |
| protected String getPackageToScan() { |
| return Cleanable.class.getPackage().getName(); |
| } |
| |
| |
| @Override |
| protected void configure() { |
| |
| Multibinder<Cleanable> multiBinder = Multibinder.newSetBinder(binder(), Cleanable.class); |
| Set<Class<?>> bindingSet = ClasspathScannerUtils.findOnClassPath(getPackageToScan(), getExclusions(), getSelectors()); |
| for (Class clazz : bindingSet) { |
| LOG.info("Binding cleaner {}", clazz); |
| multiBinder.addBinding().to(clazz).in(Scopes.SINGLETON); |
| } |
| |
| bind(CleanupServiceImpl.class).in(Scopes.SINGLETON); |
| } |
| } |