/* 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. */ package positionkeeper; import org.voltdb.SQLStmt; import org.voltdb.VoltProcedure; import org.voltdb.client.ClientResponse; public class TradeInsert extends VoltProcedure { public final SQLStmt insertTrade = new SQLStmt( "INSERT INTO trd (codtrd, trd_cnt, trd_sec, trd_qty, trd_prc) VALUES (?, ?, ?, ?, ?);"); public final SQLStmt updatePos = new SQLStmt( "UPDATE pos SET " + " pos_cum_qty_exe = pos_cum_qty_exe + ?," + " pos_cum_val_exe = pos_cum_qty_exe * pos_prc" + " WHERE codsec = ? AND codcnt = ?;"); public final SQLStmt insertPos = new SQLStmt( "INSERT INTO pos VALUES (" + "?,?,?,?,?,?,?" + ");"); public long run( int codtrd, int trd_cnt, int trd_sec, int trd_qty, double trd_prc ) throws VoltAbortException { voltQueueSQL(insertTrade, codtrd, trd_cnt, trd_sec, trd_qty, trd_prc); voltQueueSQL(updatePos, trd_qty, trd_sec, trd_cnt); long rowsAffected = voltExecuteSQL()[1].asScalarLong(); if (rowsAffected == 0) { // then insert voltQueueSQL(insertPos, trd_cnt, trd_sec, 0, trd_qty, trd_prc, 0, trd_qty * trd_prc ); voltExecuteSQL(true); } return ClientResponse.SUCCESS; } }