/* This file is part of VoltDB.
* Copyright (C) 2008-2017 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
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* 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 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;");
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;
}
}