| /* |
| * 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.oodt.cas.resource.system.rpc; |
| |
| import org.apache.oodt.cas.resource.system.AvroRpcResourceManager; |
| import org.apache.oodt.cas.resource.system.AvroRpcResourceManagerClient; |
| import org.apache.oodt.cas.resource.system.ResourceManager; |
| import org.apache.oodt.cas.resource.system.ResourceManagerClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.net.URL; |
| |
| public class ResourceManagerFactory { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ResourceManagerFactory.class); |
| |
| private static void loadProperties() { |
| // set up the configuration, if there is any |
| if (System.getProperty(ResourceManager.RESMGR_PROPERTIES_FILE_SYSTEM_PROPERTY) != null) { |
| String configFile = System.getProperty(ResourceManager.RESMGR_PROPERTIES_FILE_SYSTEM_PROPERTY); |
| |
| logger.info("Loading resource manager configuration properties from: [{}]", configFile); |
| try { |
| System.getProperties().load(new FileInputStream(new File(configFile))); |
| } catch (IOException e) { |
| logger.error("Error loading configuration properties from: [{}]", configFile); |
| } |
| } |
| } |
| |
| public static ResourceManager getResourceManager(int port) throws Exception { |
| loadProperties(); |
| String resourceManagerClass = System.getProperty(ResourceManager.RESMGR_SYSTEM_PROPERTY, |
| AvroRpcResourceManager.class.getName()); |
| |
| logger.info("Creating resource manager {} at port: {}", resourceManagerClass, port); |
| |
| ResourceManager manager; |
| try { |
| Constructor<?> constructor = Class.forName(resourceManagerClass).getConstructor(Integer.TYPE); |
| manager = (ResourceManager) constructor.newInstance(port); |
| } catch (Exception e) { |
| logger.error("Unable to create resource manager", e); |
| throw e; |
| } |
| |
| return manager; |
| } |
| |
| public static ResourceManagerClient getResourceManagerClient(URL url) throws IllegalStateException { |
| loadProperties(); |
| String resMgrClientClass = System.getProperty(ResourceManager.RESMGR_CLIENT_SYSTEM_PROPERTY, |
| AvroRpcResourceManagerClient.class.getName()); |
| |
| logger.info("Creating resource manager client {}", resMgrClientClass); |
| |
| ResourceManagerClient client; |
| try { |
| Constructor<?> constructor = Class.forName(resMgrClientClass).getConstructor(URL.class); |
| client = (ResourceManagerClient) constructor.newInstance(url); |
| } catch (Exception e) { |
| logger.error("Unable to create resource manager", e); |
| throw new IllegalStateException("Unable to create client", e); |
| } |
| |
| return client; |
| } |
| } |