| /** |
| * 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.meta; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.bookkeeper.conf.AbstractConfiguration; |
| import org.apache.bookkeeper.meta.zk.ZKMetadataDriverBase; |
| import org.apache.bookkeeper.replication.ReplicationException; |
| import org.apache.bookkeeper.util.ZkUtils; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.data.ACL; |
| |
| /** |
| * Flat Ledger Manager Factory. |
| * |
| * @deprecated since 4.7.0. The implementation will be still available but not recommended to use. |
| */ |
| @Deprecated |
| public class FlatLedgerManagerFactory extends AbstractZkLedgerManagerFactory { |
| |
| public static final String NAME = "flat"; |
| public static final int CUR_VERSION = 1; |
| |
| AbstractConfiguration conf; |
| |
| @Override |
| public int getCurrentVersion() { |
| return CUR_VERSION; |
| } |
| |
| @Override |
| public LedgerManagerFactory initialize(final AbstractConfiguration conf, |
| final LayoutManager layoutManager, |
| final int factoryVersion) |
| throws IOException { |
| checkArgument(layoutManager == null || layoutManager instanceof ZkLayoutManager); |
| |
| if (CUR_VERSION != factoryVersion) { |
| throw new IOException("Incompatible layout version found : " |
| + factoryVersion); |
| } |
| this.conf = conf; |
| |
| this.zk = layoutManager == null ? null : ((ZkLayoutManager) layoutManager).getZk(); |
| return this; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| // since zookeeper instance is passed from outside |
| // we don't need to close it here |
| } |
| |
| @Override |
| public LedgerIdGenerator newLedgerIdGenerator() { |
| List<ACL> zkAcls = ZkUtils.getACLs(conf); |
| String ledgersRootPath = ZKMetadataDriverBase.resolveZkLedgersRootPath(conf); |
| return new ZkLedgerIdGenerator(zk, ledgersRootPath, null, zkAcls); |
| } |
| |
| @Override |
| public LedgerManager newLedgerManager() { |
| return new FlatLedgerManager(conf, zk); |
| } |
| |
| @Override |
| public LedgerUnderreplicationManager newLedgerUnderreplicationManager() |
| throws KeeperException, InterruptedException, ReplicationException.CompatibilityException { |
| return new ZkLedgerUnderreplicationManager(conf, zk); |
| } |
| } |