| /** |
| * 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.AmbariException; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.RequestStatusRequest; |
| import org.apache.ambari.server.controller.RequestStatusResponse; |
| import org.apache.ambari.server.controller.spi.NoSuchParentResourceException; |
| import org.apache.ambari.server.controller.spi.NoSuchResourceException; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.spi.RequestStatus; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.controller.utilities.PredicateHelper; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Resource provider for request resources. |
| */ |
| class RequestResourceProvider extends ResourceProviderImpl{ |
| |
| // ----- Property ID constants --------------------------------------------- |
| // Requests |
| protected static final String REQUEST_CLUSTER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("Requests", "cluster_name"); |
| protected static final String REQUEST_ID_PROPERTY_ID = PropertyHelper.getPropertyId("Requests", "id"); |
| protected static final String REQUEST_STATUS_PROPERTY_ID = PropertyHelper.getPropertyId("Requests", "request_status"); |
| |
| private static Set<String> pkPropertyIds = |
| new HashSet<String>(Arrays.asList(new String[]{ |
| REQUEST_ID_PROPERTY_ID})); |
| |
| // ----- Constructors ---------------------------------------------------- |
| |
| /** |
| * Create a new resource provider for the given management controller. |
| * |
| * @param propertyIds the property ids |
| * @param keyPropertyIds the key property ids |
| * @param managementController the management controller |
| */ |
| RequestResourceProvider(Set<String> propertyIds, |
| Map<Resource.Type, String> keyPropertyIds, |
| AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| } |
| |
| // ----- ResourceProvider ------------------------------------------------ |
| |
| @Override |
| public RequestStatus createResources(Request request) { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| Set<String> requestedIds = PropertyHelper.getRequestPropertyIds(getPropertyIds(), request, predicate); |
| Map<String, Object> predicateProperties = PredicateHelper.getProperties(predicate); |
| |
| final RequestStatusRequest requestStatusRequest = getRequest(predicateProperties); |
| |
| String clusterName = (String) predicateProperties.get(REQUEST_CLUSTER_NAME_PROPERTY_ID); |
| |
| Set<RequestStatusResponse> responses = getResources(new Command<Set<RequestStatusResponse>>() { |
| @Override |
| public Set<RequestStatusResponse> invoke() throws AmbariException { |
| return getManagementController().getRequestStatus(requestStatusRequest); |
| } |
| }); |
| |
| |
| Set<Resource> resources = new HashSet<Resource>(); |
| for (RequestStatusResponse response : responses) { |
| Resource resource = new ResourceImpl(Resource.Type.Request); |
| setResourceProperty(resource, REQUEST_CLUSTER_NAME_PROPERTY_ID, clusterName, requestedIds); |
| setResourceProperty(resource, REQUEST_ID_PROPERTY_ID, response.getRequestId(), requestedIds); |
| resources.add(resource); |
| } |
| return resources; |
| } |
| |
| @Override |
| public RequestStatus updateResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| @Override |
| public RequestStatus deleteResources(Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| // ----- utility methods ------------------------------------------------- |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| /** |
| * Get a component request object from a map of property values. |
| * |
| * @param properties the predicate |
| * |
| * @return the component request object |
| */ |
| private RequestStatusRequest getRequest(Map<String, Object> properties) { |
| Long requestId = null; |
| if (properties.get(REQUEST_ID_PROPERTY_ID) != null) { |
| requestId = Long.valueOf((String) properties |
| .get(REQUEST_ID_PROPERTY_ID)); |
| } |
| String requestStatus = null; |
| if (properties.get(REQUEST_STATUS_PROPERTY_ID) != null) { |
| requestStatus = (String)properties.get(REQUEST_STATUS_PROPERTY_ID); |
| } |
| return new RequestStatusRequest(requestId, requestStatus); |
| } |
| } |