| /* |
| * 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.schema.TableId; |
| import org.apache.cassandra.utils.TimeUUID; |
| |
| /** |
| * Some subset of data to be streamed. Implementations handle writing out their data via the write method. |
| * On the receiving end, {@link IncomingStream} streams the data in. |
| * |
| * All the data contained in a given stream needs to have the same repairedAt timestamp (or 0) and pendingRepair |
| * id (or null). |
| */ |
| public interface OutgoingStream |
| { |
| /** |
| * Write the streams data into the socket |
| */ |
| void write(StreamSession session, StreamingDataOutputPlus output, int version) throws IOException; |
| |
| /** |
| * Release any resources held by the stream |
| */ |
| void finish(); |
| |
| long getRepairedAt(); |
| TimeUUID getPendingRepair(); |
| |
| String getName(); |
| |
| /** |
| * @return estimated file size to be streamed. This should only be used for metrics, because concurrent |
| * stats metadata update and index redistribution will change file sizes. |
| */ |
| long getEstimatedSize(); |
| TableId getTableId(); |
| int getNumFiles(); |
| } |