| /** |
| * 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.events.publishers; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.ambari.server.controller.internal.CalculatedStatus; |
| import org.apache.ambari.server.events.RequestUpdateEvent; |
| import org.apache.ambari.server.orm.dao.ClusterDAO; |
| import org.apache.ambari.server.orm.dao.HostRoleCommandDAO; |
| import org.apache.ambari.server.orm.dao.RequestDAO; |
| import org.apache.ambari.server.orm.entities.RequestEntity; |
| import org.apache.ambari.server.topology.TopologyManager; |
| |
| import com.google.common.eventbus.EventBus; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| @Singleton |
| public class RequestUpdateEventPublisher extends BufferedUpdateEventPublisher<RequestUpdateEvent> { |
| |
| @Inject |
| private HostRoleCommandDAO hostRoleCommandDAO; |
| |
| @Inject |
| private TopologyManager topologyManager; |
| |
| @Inject |
| private RequestDAO requestDAO; |
| |
| @Inject |
| private ClusterDAO clusterDAO; |
| |
| @Override |
| public void mergeBufferAndPost(List<RequestUpdateEvent> events, EventBus m_eventBus) { |
| Map<Long, RequestUpdateEvent> filteredRequests = new HashMap<>(); |
| for (RequestUpdateEvent event : events) { |
| Long requestId = event.getRequestId(); |
| if (filteredRequests.containsKey(requestId)) { |
| RequestUpdateEvent filteredRequest = filteredRequests.get(requestId); |
| filteredRequest.setEndTime(event.getEndTime()); |
| filteredRequest.setRequestStatus(event.getRequestStatus()); |
| filteredRequest.setRequestContext(event.getRequestContext()); |
| filteredRequest.getHostRoleCommands().removeAll(event.getHostRoleCommands()); |
| filteredRequest.getHostRoleCommands().addAll(event.getHostRoleCommands()); |
| } else { |
| filteredRequests.put(requestId, event); |
| } |
| } |
| for (RequestUpdateEvent requestUpdateEvent : filteredRequests.values()) { |
| RequestUpdateEvent filled = fillRequest(requestUpdateEvent); |
| m_eventBus.post(filled); |
| } |
| } |
| |
| private RequestUpdateEvent fillRequest(RequestUpdateEvent event) { |
| event.setProgressPercent( |
| CalculatedStatus.statusFromRequest(hostRoleCommandDAO, topologyManager, event.getRequestId()).getPercent()); |
| if (event.getEndTime() == null || event.getStartTime() == null || event.getClusterName() == null |
| || event.getRequestContext() == null) { |
| RequestEntity requestEntity = requestDAO.findByPK(event.getRequestId()); |
| event.setStartTime(requestEntity.getStartTime()); |
| event.setUserName(requestEntity.getUserName()); |
| event.setEndTime(requestEntity.getEndTime()); |
| if (requestEntity.getClusterId() != -1) { |
| event.setClusterName(clusterDAO.findById(requestEntity.getClusterId()).getClusterName()); |
| } |
| event.setRequestContext(requestEntity.getRequestContext()); |
| event.setRequestStatus(requestEntity.getStatus()); |
| } |
| return event; |
| } |
| } |