/* 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);
}
}