/* 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
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* OTHER DEALINGS IN THE SOFTWARE.
*/
package com.auctionexample;
import org.voltdb.*;
/**
* Get the high bidder id and price for a given auction.
*
*/
@ProcInfo(
partitionInfo = "ITEM.ITEMID: 0",
singlePartition = true
)
public class GetAuctionInfo extends VoltProcedure {
public final SQLStmt getHighBid = new SQLStmt(
"SELECT BIDDERID, BIDPRICE " +
"FROM BID, ITEM WHERE ITEM.ITEMID = ? " +
"AND ITEM.HIGHBIDID = BID.BIDID;"
);
/**
* Get the high bidder id and price for a given auction.
*
* @param itemId The id of the item we're querying about.
* @return An VoltTable with one row having fields BIDDERID and BIDPRICE,
* @throws VoltAbortException
*/
public VoltTable[] run(int itemId) throws VoltAbortException {
voltQueueSQL(getHighBid, itemId);
return voltExecuteSQL();
}
}