content: /**
   * 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 com.alibaba.wasp.master;
  
  import com.alibaba.wasp.Server;
  import com.alibaba.wasp.executor.ExecutorService;
  import com.alibaba.wasp.meta.FTable;
  
  import java.io.IOException;
  
  /**
   * Services FMaster supplies
   */
  public interface FMasterServices extends Server {
    /**
     * @return Master's instance of the {@link AssignmentManager}
     */
    public AssignmentManager getAssignmentManager();
  
    /**
     * @return Master's {@link FServerManager} instance.
     */
    public FServerManager getFServerManager();
  
    /**
     * @return Master's instance of {@link com.alibaba.wasp.executor.ExecutorService}
     */
    public ExecutorService getExecutorService();
  
    /**
     * Check table is modifiable; i.e. exists and is offline.
     *
     * @param tableName
     *          Name of table to check.
     * @throws com.alibaba.wasp.TableNotDisabledException
     * @throws com.alibaba.wasp.TableNotFoundException
     */
    public void checkTableModifiable(final byte[] tableName) throws IOException;
  
    /**
     * Create a table using the given table definition.
     * @param desc The table definition
     * @param splitKeys Starting row keys for the initial table entityGroups. If null a
     *          single entityGroup is created.
     */
    public void createTable(FTable desc, byte[][] splitKeys)
        throws IOException;
  
    /**
     * @return Master's instance of the {@link TableLockManager}
     */
    public TableLockManager getTableLockManager();
  }
  