/** * 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.metastore; import org.apache.commons.configuration.Configuration; /** * Metadata Store Interface. */ public interface MetaStore { /** * Return the name of the plugin. * * @return the plugin name. */ public String getName(); /** * Get the plugin verison. * * @return the plugin version. */ public int getVersion(); /** * Initialize the meta store. * * @param config * Configuration object passed to metastore * @param msVersion * Version to initialize the metastore * @throws MetastoreException when failed to initialize */ public void init(Configuration config, int msVersion) throws MetastoreException; /** * Close the meta store. */ public void close(); /** * Create a metastore table. * * @param name * Table name. * @return a metastore table * @throws MetastoreException when failed to create the metastore table. */ public MetastoreTable createTable(String name) throws MetastoreException; /** * Create a scannable metastore table. * * @param name * Table name. * @return a metastore scannable table * @throws MetastoreException when failed to create the metastore table. */ public MetastoreScannableTable createScannableTable(String name) throws MetastoreException; }