| /** |
| * 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.state.stack.upgrade; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| import com.google.common.base.Objects; |
| |
| /** |
| * Aggregates all upgrade tasks for a HostComponent into one wrapper. |
| */ |
| public class TaskWrapper { |
| |
| private String service; |
| private String component; |
| private Set<String> hosts; // all the hosts that all the tasks must run |
| private Map<String, String> params; |
| /* FIXME a TaskWrapper really should be wrapping ONLY ONE task */ |
| private List<Task> tasks; // all the tasks defined for the hostcomponent |
| private Set<String> timeoutKeys = new HashSet<>(); |
| |
| /** |
| * @param s the service name for the task |
| * @param c the component name for the task |
| * @param hosts the set of hosts that the task is for |
| * @param task a single task |
| */ |
| public TaskWrapper(String s, String c, Set<String> hosts, Task task) { |
| this(s, c, hosts, null, task); |
| } |
| |
| |
| /** |
| * @param s the service name for the tasks |
| * @param c the component name for the tasks |
| * @param hosts the set of hosts that the tasks are for |
| * @param params additional command parameters |
| * @param tasks an array of tasks as a convenience |
| */ |
| public TaskWrapper(String s, String c, Set<String> hosts, Map<String, String> params, Task... tasks) { |
| this(s, c, hosts, params, Arrays.asList(tasks)); |
| } |
| |
| |
| /** |
| * @param s the service name for the tasks |
| * @param c the component name for the tasks |
| * @param hosts the set of hosts for the |
| * @param tasks the list of tasks |
| */ |
| public TaskWrapper(String s, String c, Set<String> hosts, Map<String, String> params, List<Task> tasks) { |
| service = s; |
| component = c; |
| |
| this.hosts = hosts; |
| this.params = (params == null) ? new HashMap<String, String>() : params; |
| this.tasks = tasks; |
| |
| // !!! FIXME there should only be one task |
| for (Task task : tasks) { |
| if (StringUtils.isNotBlank(task.timeoutConfig)) { |
| timeoutKeys.add(task.timeoutConfig); |
| } |
| } |
| } |
| |
| /** |
| * @return the additional command parameters. |
| */ |
| public Map<String, String> getParams() { |
| return params; |
| } |
| |
| /** |
| * @return the tasks associated with this wrapper |
| */ |
| public List<Task> getTasks() { |
| return tasks; |
| } |
| |
| /** |
| * @return the hosts associated with this wrapper |
| */ |
| public Set<String> getHosts() { |
| return hosts; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() { |
| return Objects.toStringHelper(this).add("service", service) |
| .add("component", component) |
| .add("tasks", tasks) |
| .add("hosts", hosts) |
| .omitNullValues().toString(); |
| } |
| |
| /** |
| * @return the service name |
| */ |
| public String getService() { |
| return service; |
| } |
| |
| /** |
| * @return the component name |
| */ |
| public String getComponent() { |
| return component; |
| } |
| |
| /** |
| * @return true if any task is sequential, otherwise, return false. |
| */ |
| public boolean isAnyTaskSequential() { |
| for (Task t : getTasks()) { |
| if (t.isSequential) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| |
| /** |
| * @return the timeout keys for all the tasks in this wrapper. |
| */ |
| public Set<String> getTimeoutKeys() { |
| return timeoutKeys; |
| } |
| |
| } |