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.cassandra.streaming;
  
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.schema.TableId;
  
  /**
   * The counterpart of {@link OutgoingStream} on the receiving side.
   *
   * Data streamed in can (and should) be persisted, but must not be included in the table's
   * live data set until added by {@link StreamReceiver}. If the stream fails, the stream receiver will
   * delete the streamed data, but implementations still need to handle the case where it's process dies
   * during streaming, and it has data left around on startup, in which case it should be deleted.
   */
  public interface IncomingStream
  {
  
      /**
       * Read in the stream data.
       */
      void read(DataInputPlus inputPlus, int version) throws Throwable;
      default Throwable abort(Throwable t) { return t; }
      String getName();
      long getSize();
      int getNumFiles();
      TableId getTableId();
  
      /**
       * @return stream session used to receive given file
       */
      StreamSession session();
  }
  