| /* |
| * 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.nemo.runtime.executor.transfer; |
| |
| import org.apache.nemo.runtime.executor.data.streamchainer.Serializer; |
| import java.io.IOException; |
| |
| /** |
| * Represents the output stream to which the sender sends its data during the data transfer. |
| */ |
| public interface TransferOutputStream extends AutoCloseable { |
| /** |
| * Write an element into the output stream. |
| * @param element element to be sent |
| * @param serializer serializer of {@param element} |
| */ |
| void writeElement(Object element, Serializer serializer); |
| |
| /** |
| * Closes this output stream. |
| * @throws IOException if any exception has occurred. For more information, see {@link ByteOutputContext#close}. |
| */ |
| void close() throws IOException; |
| } |