| /** |
| * |
| * 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.bookkeeper.bookie; |
| |
| /** |
| * This is the garbage collector interface, garbage collector implementers |
| * need to extends this class to remove the deleted ledgers. |
| */ |
| public interface GarbageCollector { |
| /** |
| * Do the garbage collector work. |
| * |
| * @param garbageCleaner cleaner used to clean selected garbages |
| */ |
| void gc(GarbageCleaner garbageCleaner); |
| |
| /** |
| * A interface used to define customised garbage cleaner. |
| */ |
| interface GarbageCleaner { |
| |
| /** |
| * Clean a specific ledger. |
| * |
| * @param ledgerId Ledger ID to be cleaned |
| */ |
| void clean(long ledgerId); |
| } |
| |
| } |