/* This file is part of VoltDB. * Copyright (C) 2008-2017 VoltDB Inc. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /* * This samples uses multiple threads to post synchronous requests to the * VoltDB server, simulating multiple client application posting * synchronous requests to the database, using the native VoltDB client * library. * * While synchronous processing can cause performance bottlenecks (each * caller waits for a transaction answer before calling another * transaction), the VoltDB cluster at large is still able to perform at * blazing speeds when many clients are connected to it. */ package exportbenchmark; import java.util.Properties; import org.voltdb.export.AdvertisedDataSource; import org.voltdb.exportclient.ExportClientBase; import org.voltdb.exportclient.ExportDecoderBase; public class NoOpExporter extends ExportClientBase { @Override public void configure(Properties config) throws Exception { // We have no properties to configure at this point } static class NoOpExportDecoder extends ExportDecoderBase { NoOpExportDecoder(AdvertisedDataSource source) { super(source); } @Override public void sourceNoLongerAdvertised(AdvertisedDataSource source) { // The AdvertiseDataSource is no longer available. If file descriptors // or threads were allocated to handle the source, free them here. } @Override public boolean processRow(int rowSize, byte[] rowData) throws RestartBlockException { // We don't want to do anything yet return true; } } @Override public ExportDecoderBase constructExportDecoder(AdvertisedDataSource source) { return new NoOpExportDecoder(source); } }