| /* |
| * 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.druid.metadata; |
| |
| import org.apache.druid.indexing.overlord.supervisor.SupervisorSpec; |
| import org.apache.druid.indexing.overlord.supervisor.VersionedSupervisorSpec; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| public interface MetadataSupervisorManager |
| { |
| void start(); |
| |
| void insert(String id, SupervisorSpec spec); |
| |
| Map<String, List<VersionedSupervisorSpec>> getAll(); |
| |
| /** |
| * Return latest supervisors (both active and terminated) |
| * |
| * @return latest terminated supervisors |
| */ |
| Map<String, SupervisorSpec> getLatest(); |
| |
| /** |
| * Only return the latest active supervisors |
| * |
| * @return latest active supervisors |
| */ |
| Map<String, SupervisorSpec> getLatestActiveOnly(); |
| |
| /** |
| * Only return the latest terminated supervisors |
| * |
| * @return latest terminated supervisors |
| */ |
| Map<String, SupervisorSpec> getLatestTerminatedOnly(); |
| |
| /** |
| * Remove terminated supervisors created before the given timestamp. |
| * |
| * @param timestamp timestamp in milliseconds |
| * @return number of supervisor removed |
| */ |
| int removeTerminatedSupervisorsOlderThan(long timestamp); |
| } |