/***************************************************************************
* Copyright (C) 2013 by H-Store Project *
* Brown University *
* Massachusetts Institute of Technology *
* Yale University *
* *
* 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 edu.brown.benchmark.smallbank.procedures;
import org.apache.log4j.Logger;
import org.voltdb.ProcInfo;
import org.voltdb.SQLStmt;
import org.voltdb.TheHashinator;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import edu.brown.benchmark.smallbank.SmallBankConstants;
/**
* SendPayment Procedure
* @author pavlo
*/
@ProcInfo (
partitionParam=0
)
public class SendPayment extends VoltProcedure {
private static final Logger LOG = Logger.getLogger(SendPayment.class);
public final SQLStmt GetAccount = new SQLStmt(
"SELECT * FROM " + SmallBankConstants.TABLENAME_ACCOUNTS +
" WHERE custid = ?"
);
public final SQLStmt GetCheckingBalance = new SQLStmt(
"SELECT bal FROM " + SmallBankConstants.TABLENAME_CHECKING +
" WHERE custid = ?"
);
public final SQLStmt UpdateCheckingBalance = new SQLStmt(
"UPDATE " + SmallBankConstants.TABLENAME_CHECKING +
" SET bal = bal + ? " +
" WHERE custid = ?"
);
public VoltTable[] run(long sendAcct, long destAcct, double amount) {
// Get Account Information
voltQueueSQL(GetAccount, sendAcct);
voltQueueSQL(GetAccount, destAcct);
final VoltTable acctResults[] = voltExecuteSQL();
if (acctResults[0].getRowCount() != 1) {
String msg = "Invalid sender account '" + sendAcct + "'";
LOG.error(this.getTransactionState() + " - " + msg + " / hash=" + TheHashinator.hashToPartition(sendAcct));
throw new VoltAbortException(msg);
}
else if (acctResults[1].getRowCount() != 1) {
String msg = "Invalid destination account '" + destAcct + "'";
LOG.error(this.getTransactionState() + " - " + msg + " / hash=" + TheHashinator.hashToPartition(destAcct));
throw new VoltAbortException(msg);
}
// Get the sender's account balance
voltQueueSQL(GetCheckingBalance, sendAcct);
final VoltTable balResults[] = voltExecuteSQL();
if (balResults[0].getRowCount() != 1) {
String msg = String.format("No %s for customer #%d",
SmallBankConstants.TABLENAME_SAVINGS,
sendAcct);
LOG.error(msg);
throw new VoltAbortException(msg);
}
balResults[0].advanceRow();
double balance = balResults[0].getDouble(0);
if (balance < amount) {
String msg = String.format("Insufficient %s funds for customer #%d",
SmallBankConstants.TABLENAME_CHECKING, sendAcct);
LOG.error(msg);
throw new VoltAbortException(msg);
}
// Debt
voltQueueSQL(UpdateCheckingBalance, amount*-1d, sendAcct);
// Credit
voltQueueSQL(UpdateCheckingBalance, amount, destAcct);
return (voltExecuteSQL(true));
}
}