/* This file is part of VoltDB.
* Copyright (C) 2008-2012 VoltDB Inc.
*
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* 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.
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* OTHER DEALINGS IN THE SOFTWARE.
*/
//
// Returns the heat map data (winning contestant by state) for display on nthe Live Statistics dashboard.
//
package edu.brown.benchmark.voter.procedures;
import java.util.ArrayList;
import org.voltdb.ProcInfo;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import org.voltdb.VoltType;
@ProcInfo (
singlePartition = false
)
public class GetStateHeatmap extends VoltProcedure {
public final SQLStmt resultStmt = new SQLStmt(
"SELECT contestant_number, state, SUM(num_votes) AS num_votes " +
"FROM v_votes_by_contestant_number_state " +
"GROUP BY contestant_number, state " +
"ORDER BY 2 ASC, 3 DESC, 1 ASC;");
static class Result {
public final String state;
public final int contestantNumber;
public final long votes;
public final byte isWinning;
public Result(String state, int contestantNumber, long votes, byte isWinning) {
this.state = state;
this.contestantNumber = contestantNumber;
this.votes = votes;
this.isWinning = isWinning;
}
}
public VoltTable run() {
ArrayList<Result> results = new ArrayList<Result>();
voltQueueSQL(resultStmt);
VoltTable summary = voltExecuteSQL()[0];
String state = "";
while(summary.advanceRow()) {
if (!summary.getString(1).equals(state)) {
state = summary.getString(1);
results.add(new Result(state, (int)summary.getLong(0), summary.getLong(2), (byte)1));
}
else {
results.add(new Result(state, (int)summary.getLong(0), summary.getLong(2), (byte)0));
}
}
Object[] resultArray = results.toArray();
VoltTable result = new VoltTable(
new VoltTable.ColumnInfo("state",VoltType.STRING),
new VoltTable.ColumnInfo("contestant_number",VoltType.INTEGER),
new VoltTable.ColumnInfo("num_votes",VoltType.BIGINT),
new VoltTable.ColumnInfo("is_winning",VoltType.TINYINT));
for(int i=0;i<resultArray.length;i++) {
result.addRow(new Object[] {
((Result)resultArray[i]).state,
((Result)resultArray[i]).contestantNumber,
((Result)resultArray[i]).votes,
((Result)resultArray[i]).isWinning });
}
return result;
}
}