| /* |
| * 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.jackrabbit.oak.plugins.document; |
| |
| /** |
| * This handler gets called back when recovery is needed for a clusterId. An |
| * implementation then tries to perform the recovery and returns whether the |
| * recovery was successful. Upon successful recovery, the clusterId will have |
| * transitioned to the inactive state. |
| */ |
| interface RecoveryHandler { |
| |
| /** |
| * A no-op recovery handler, always returning false. |
| */ |
| RecoveryHandler NOOP = clusterId -> false; |
| |
| /** |
| * Perform recovery for the given clusterId and return whether the recovery |
| * was successful. |
| * |
| * @param clusterId perform recovery for this clusterId. |
| * @return {@code true} if recovery was successful, {@code false} otherwise. |
| */ |
| boolean recover(int clusterId); |
| } |