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 org.apache.bookkeeper.client;
  
  import io.netty.buffer.ByteBufAllocator;
  import org.apache.bookkeeper.common.util.OrderedExecutor;
  import org.apache.bookkeeper.common.util.OrderedScheduler;
  import org.apache.bookkeeper.meta.LedgerManager;
  import org.apache.bookkeeper.proto.BookieClient;
  
  /**
   * Collection of client objects used by LedgerHandle to interact with
   * the outside world. Normally these are instantiated by the BookKeeper object
   * but they are present to the LedgerHandle through this interface to allow
   * tests to easily inject mocked versions.
   */
  public interface ClientContext {
      ClientInternalConf getConf();
      LedgerManager getLedgerManager();
      BookieWatcher getBookieWatcher();
      EnsemblePlacementPolicy getPlacementPolicy();
      BookieClient getBookieClient();
      ByteBufAllocator getByteBufAllocator();
      OrderedExecutor getMainWorkerPool();
      OrderedScheduler getScheduler();
      BookKeeperClientStats getClientStats();
      boolean isClientClosed();
  }
  