| /** |
| * 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.controller.internal; |
| |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * Simple resource implementation. |
| */ |
| public class ResourceImpl implements Resource { |
| |
| /** |
| * The resource type. |
| */ |
| private final Type type; |
| |
| /** |
| * The map of property maps keyed by property category. |
| */ |
| private final Map<String, Map<String, Object>> propertiesMap = new TreeMap<String, Map<String, Object>>(); |
| |
| // ----- Constructors ------------------------------------------------------ |
| |
| /** |
| * Create a resource of the given type. |
| * |
| * @param type the resource type |
| */ |
| public ResourceImpl(Type type) { |
| this.type = type; |
| } |
| |
| /** |
| * Copy constructor |
| * |
| * @param resource the resource to copy |
| */ |
| public ResourceImpl(Resource resource) { |
| this.type = resource.getType(); |
| |
| for (Map.Entry<String, Map<String, Object>> categoryEntry : resource.getPropertiesMap().entrySet()) { |
| String category = categoryEntry.getKey(); |
| Map<String, Object> propertyMap = categoryEntry.getValue(); |
| if (propertyMap != null) { |
| for (Map.Entry<String, Object> propertyEntry : propertyMap.entrySet()) { |
| String propertyId = PropertyHelper.getPropertyId(category, propertyEntry.getKey()); |
| Object propertyValue = propertyEntry.getValue(); |
| setProperty(propertyId, propertyValue); |
| } |
| } |
| } |
| } |
| |
| |
| // ----- Resource ---------------------------------------------------------- |
| |
| @Override |
| public Type getType() { |
| return type; |
| } |
| |
| @Override |
| public Map<String, Map<String, Object>> getPropertiesMap() { |
| return propertiesMap; |
| } |
| |
| @Override |
| public void setProperty(String id, Object value) { |
| String categoryKey = getCategoryKey(PropertyHelper.getPropertyCategory(id)); |
| |
| Map<String, Object> properties = propertiesMap.get(categoryKey); |
| if (properties == null) { |
| properties = new TreeMap<String, Object>(); |
| propertiesMap.put(categoryKey, properties); |
| } |
| properties.put(PropertyHelper.getPropertyName(id), value); |
| } |
| |
| @Override |
| public void addCategory(String id) { |
| String categoryKey = getCategoryKey(id); |
| |
| if (!propertiesMap.containsKey(categoryKey)) { |
| propertiesMap.put(categoryKey, new HashMap<String, Object>()); |
| } |
| } |
| |
| @Override |
| public Object getPropertyValue(String id) { |
| String categoryKey = getCategoryKey(PropertyHelper.getPropertyCategory(id)); |
| |
| Map<String, Object> properties = propertiesMap.get(categoryKey); |
| |
| return properties == null ? |
| null : properties.get(PropertyHelper.getPropertyName(id)); |
| } |
| |
| |
| // ----- Object overrides -------------------------------------------------- |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append("Resource : ").append(type).append("\n"); |
| sb.append("Properties:\n"); |
| sb.append(propertiesMap); |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| ResourceImpl resource = (ResourceImpl) o; |
| |
| return type == resource.type && |
| !(propertiesMap != null ? !propertiesMap.equals(resource.propertiesMap) : resource.propertiesMap != null); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 31 * type.hashCode() + (propertiesMap != null ? propertiesMap.hashCode() : 0); |
| return result; |
| } |
| |
| // ----- utility methods --------------------------------------------------- |
| |
| private String getCategoryKey(String category) { |
| return category == null ? "" : category; |
| } |
| } |