| /* |
| * 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.amaterasu.leader.common.execution.frameworks |
| |
| import org.apache.amaterasu.common.configuration.ClusterConfig |
| import org.apache.amaterasu.common.logging.Logging |
| import org.apache.amaterasu.sdk.frameworks.FrameworkSetupProvider |
| import org.reflections.Reflections |
| |
| import scala.collection.JavaConversions._ |
| |
| class FrameworkProvidersFactory { |
| var providers: Map[String, FrameworkSetupProvider] = _ |
| |
| def groups: Array[String] = { |
| providers.keys.toArray |
| } |
| |
| def getFramework(groupId: String): FrameworkSetupProvider = { |
| providers(groupId) |
| } |
| |
| } |
| |
| object FrameworkProvidersFactory extends Logging { |
| |
| def apply(env: String, config: ClusterConfig): FrameworkProvidersFactory = { |
| |
| val result = new FrameworkProvidersFactory() |
| |
| val reflections = new Reflections(getClass.getClassLoader) |
| val runnerTypes = reflections.getSubTypesOf(classOf[FrameworkSetupProvider]).toSet |
| |
| result.providers = runnerTypes.map(r => { |
| |
| val provider = Manifest.classType(r).runtimeClass.newInstance.asInstanceOf[FrameworkSetupProvider] |
| |
| provider.init(env, config) |
| log.info(s"a provider for group ${provider.getGroupIdentifier} was created") |
| log.info(s"config = $config") |
| (provider.getGroupIdentifier, provider) |
| |
| }).toMap |
| |
| result |
| } |
| } |