| /* |
| * 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 java.io.IOException; |
| |
| 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 IOException; |
| |
| String getName(); |
| long getSize(); |
| int getNumFiles(); |
| TableId getTableId(); |
| |
| /** |
| * @return stream session used to receive given file |
| */ |
| StreamSession session(); |
| } |