| /** |
| * 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.api.services.persistence; |
| |
| import org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.api.services.*; |
| import org.apache.ambari.server.controller.spi.*; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Persistence Manager implementation. |
| */ |
| public class PersistenceManagerImpl implements PersistenceManager { |
| |
| /** |
| * Cluster Controller reference. |
| */ |
| private ClusterController m_controller; |
| |
| /** |
| * Constructor. |
| * |
| * @param controller the cluster controller |
| */ |
| public PersistenceManagerImpl(ClusterController controller) { |
| m_controller = controller; |
| } |
| |
| @Override |
| public RequestStatus create(ResourceInstance resource, RequestBody requestBody) |
| throws UnsupportedPropertyException, |
| SystemException, |
| ResourceAlreadyExistsException, |
| NoSuchParentResourceException { |
| |
| Map<Resource.Type, String> mapResourceIds = resource.getIds(); |
| Resource.Type type = resource.getResourceDefinition().getType(); |
| Schema schema = m_controller.getSchema(type); |
| |
| Set<NamedPropertySet> setProperties = requestBody.getNamedPropertySets(); |
| if (setProperties.size() == 0) { |
| requestBody.addPropertySet(new NamedPropertySet("", new HashMap<String, Object>())); |
| } |
| |
| for (NamedPropertySet propertySet : setProperties) { |
| for (Map.Entry<Resource.Type, String> entry : mapResourceIds.entrySet()) { |
| Map<String, Object> mapProperties = propertySet.getProperties(); |
| String property = schema.getKeyPropertyId(entry.getKey()); |
| if (! mapProperties.containsKey(property)) { |
| mapProperties.put(property, entry.getValue()); |
| } |
| } |
| } |
| return m_controller.createResources(type, createControllerRequest(requestBody)); |
| } |
| |
| @Override |
| public RequestStatus update(ResourceInstance resource, RequestBody requestBody) |
| throws UnsupportedPropertyException, SystemException, NoSuchParentResourceException, NoSuchResourceException { |
| |
| // Allow for multiple property sets in an update request body... |
| Set<NamedPropertySet> setProperties = requestBody.getNamedPropertySets(); |
| if (setProperties.size() > 1) { |
| Map<Resource.Type, String> mapResourceIds = resource.getIds(); |
| Resource.Type type = resource.getResourceDefinition().getType(); |
| Schema schema = m_controller.getSchema(type); |
| |
| for (NamedPropertySet propertySet : setProperties) { |
| for (Map.Entry<Resource.Type, String> entry : mapResourceIds.entrySet()) { |
| Map<String, Object> mapProperties = propertySet.getProperties(); |
| String property = schema.getKeyPropertyId(entry.getKey()); |
| if (! mapProperties.containsKey(property)) { |
| mapProperties.put(property, entry.getValue()); |
| } |
| } |
| } |
| } |
| return m_controller.updateResources(resource.getResourceDefinition().getType(), |
| createControllerRequest(requestBody), resource.getQuery().getPredicate()); |
| } |
| |
| @Override |
| public RequestStatus delete(ResourceInstance resource, RequestBody requestBody) |
| throws UnsupportedPropertyException, SystemException, NoSuchParentResourceException, NoSuchResourceException { |
| //todo: need to account for multiple resources and user predicate |
| return m_controller.deleteResources(resource.getResourceDefinition().getType(), |
| resource.getQuery().getPredicate()); |
| |
| } |
| |
| protected Request createControllerRequest(RequestBody body) { |
| return PropertyHelper.getCreateRequest(body.getPropertySets(), body.getRequestInfoProperties()); |
| } |
| } |