| /* |
| * 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.cassandra.repair; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.UUID; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.Future; |
| |
| import org.apache.cassandra.dht.Range; |
| import org.apache.cassandra.dht.Token; |
| |
| /** |
| * Table level hook for repair |
| */ |
| public interface TableRepairManager |
| { |
| /** |
| * Return a validation iterator for the given parameters. If isIncremental is true, the iterator must only include |
| * data previously isolated for repair with the given parentId. nowInSec should determine whether tombstones shouldn |
| * be purged or not. |
| */ |
| ValidationPartitionIterator getValidationIterator(Collection<Range<Token>> ranges, UUID parentId, UUID sessionID, boolean isIncremental, int nowInSec) throws IOException; |
| |
| /** |
| * Begin execution of the given validation callable. Which thread pool a validation should run in is an implementation detail. |
| */ |
| Future<?> submitValidation(Callable<Object> validation); |
| |
| /** |
| * Called when the given incremental session has completed. Because of race and failure conditions, implementors |
| * should not rely only on receiving calls from this method to determine when a session has ended. Implementors |
| * can determine if a session has finished by calling ActiveRepairService.instance.consistent.local.isSessionInProgress. |
| * |
| * Just because a session has completed doesn't mean it's completed succesfully. So implementors need to consult the |
| * repair service at ActiveRepairService.instance.consistent.local.getFinalSessionRepairedAt to get the repairedAt |
| * time. If the repairedAt time is zero, the data for the given session should be demoted back to unrepaired. Otherwise, |
| * it should be promoted to repaired with the given repaired time. |
| */ |
| void incrementalSessionCompleted(UUID sessionID); |
| |
| /** |
| * For snapshot repairs. A snapshot of the current data for the given ranges should be taken with the given name. |
| * If force is true, a snapshot should be taken even if one already exists with that name. |
| */ |
| void snapshot(String name, Collection<Range<Token>> ranges, boolean force); |
| } |