| /* |
| * 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.slider.providers.agent.application.metadata; |
| |
| import org.apache.slider.common.tools.SliderUtils; |
| import org.apache.slider.core.exceptions.SliderException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Application metainfo uber class |
| */ |
| public class Metainfo { |
| protected static final Logger log = |
| LoggerFactory.getLogger(Metainfo.class); |
| public static String VERSION_TWO_ZERO = "2.0"; |
| public static String VERSION_TWO_ONE = "2.1"; |
| |
| String schemaVersion; |
| ApplicationPackage applicationPackage; |
| Application application; |
| |
| public String getSchemaVersion() { |
| return schemaVersion; |
| } |
| |
| public void setSchemaVersion(String schemaVersion) { |
| this.schemaVersion = schemaVersion; |
| } |
| |
| public ApplicationPackage getApplicationPackage() { |
| return applicationPackage; |
| } |
| |
| public void setApplicationPackage(ApplicationPackage pkg) { |
| this.applicationPackage = pkg; |
| } |
| |
| public Application getApplication() { |
| return application; |
| } |
| |
| public void setApplication(Application application) { |
| this.application = application; |
| } |
| |
| public Component getApplicationComponent(String roleName) { |
| if (application == null) { |
| log.error("Malformed app definition: Expect application as the top level element for metainfo"); |
| } else { |
| for (Component component : application.getComponents()) { |
| if (component.getName().equals(roleName)) { |
| return component; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public void validate() throws SliderException { |
| if (!VERSION_TWO_ONE.equals(schemaVersion) && |
| !VERSION_TWO_ZERO.equals(schemaVersion)) { |
| throw new SliderException("Unsupported version " + getSchemaVersion()); |
| } |
| if (application != null) { |
| application.validate(schemaVersion); |
| } |
| if (applicationPackage != null) { |
| applicationPackage.validate(schemaVersion); |
| } |
| } |
| |
| public static void checkNonNull(String value, String field, String type) throws SliderException { |
| if (SliderUtils.isUnset(value)) { |
| throw new SliderException(type + "." + field + " cannot be null"); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("Metainfo [schemaVersion="); |
| builder.append(schemaVersion); |
| builder.append(", applicationPackage="); |
| builder.append(applicationPackage); |
| builder.append(", application="); |
| builder.append(application); |
| builder.append("]"); |
| return builder.toString(); |
| } |
| } |