private void connect(Connection c) {
if (c == null) {
return;
}
if (cConn != null) {
try {
cConn.close();
} catch (SQLException e) {
}
}
cConn = c;
try {
dMeta = cConn.getMetaData();
sStatement = cConn.createStatement();
refreshTree();
} catch (SQLException e) {
e.printStackTrace();
}
}
private void insertRows(Connection connection) {
// Build the SQL INSERT statement
String sqlInsert = "insert into " + jtfTableName.getText() + " values (";
// Use a Scanner to read text from the file
Scanner input = null;
// Get file name from the text field
String filename = jtfFilename.getText().trim();
try {
// Create a scanner
input = new Scanner(new File(filename));
// Create a statement
Statement statement = connection.createStatement();
System.out.println(
"Driver major version? " + connection.getMetaData().getDriverMajorVersion());
// Determine if batchUpdatesSupported is supported
boolean batchUpdatesSupported = false;
try {
if (connection.getMetaData().supportsBatchUpdates()) {
batchUpdatesSupported = true;
System.out.println("batch updates supported");
} else {
System.out.println(
"The driver is of JDBC 2 type, but " + "does not support batch updates");
}
} catch (UnsupportedOperationException ex) {
System.out.println("The driver does not support JDBC 2");
}
// Determine if the driver is capable of batch updates
if (batchUpdatesSupported) {
// Read a line and add the insert table command to the batch
while (input.hasNext()) {
statement.addBatch(sqlInsert + input.nextLine() + ")");
}
statement.executeBatch();
jlblStatus.setText("Batch updates completed");
} else {
// Read a line and execute insert table command
while (input.hasNext()) {
statement.executeUpdate(sqlInsert + input.nextLine() + ")");
}
jlblStatus.setText("Single row update completed");
}
} catch (SQLException ex) {
System.out.println(ex);
} catch (FileNotFoundException ex) {
System.out.println("File not found: " + filename);
} catch (IOException ex) {
ex.printStackTrace();
} finally {
if (input != null) input.close();
}
}
void runTextTest() {
Statement stmt = null;
try {
// System.out.println("Thread :" + getName() + " Text test entered");
setProgressMinMax(0, m_nNumRuns - 1);
int nProgressStep = m_nNumRuns / 10 + 1;
// System.out.println("Thread :" + getName() + " before commit state");
boolean m_bTransactionsUsed = m_bTrans && m_conn.getMetaData().supportsTransactions();
// System.out.println("Thread :" + getName() + " are transactions used");
boolean bCurrentAutoCommit = m_conn.getAutoCommit();
// System.out.println("Thread :" + getName() + "got currentCommit");
m_conn.setAutoCommit(!m_bTransactionsUsed);
// System.out.println("Thread :" + getName() + " commit state set");
stmt = m_conn.createStatement();
int nAccNum, nBranchNum, nTellerNum;
double dDelta, dBalance;
log(
"Starting SQL text benchmark for " + m_nNumRuns + ((m_time > 0) ? " min.\n" : " runs\n"),
0);
java.util.Random rand = new java.util.Random(m_nMaxAccount + m_nMaxBranch + m_nMaxTeller);
for (int nRun = 0; (m_time > 0) ? true : nRun < m_nNumRuns; nRun++) {
if (m_time > 0) {
java.util.Date current = new java.util.Date();
if ((current.getTime() - m_time) > (m_nNumRuns * 60000)) break;
}
try {
nAccNum = (int) (rand.nextFloat() * rand.nextFloat() * (m_nMaxAccount - 1)) + 1;
nBranchNum = (int) (rand.nextFloat() * (m_nMaxBranch - 1)) + 1;
nTellerNum = (int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1;
dDelta =
((double)
((long)
((((int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1)
* (rand.nextFloat() > 0.5 ? -1 : 1))
* 100)))
/ 100;
java.util.Date startTime = new java.util.Date();
log(
"UPDATE "
+ m_Driver.getAccountName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE account = "
+ nAccNum
+ "\n",
2);
stmt.executeUpdate(
"UPDATE "
+ m_Driver.getAccountName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE account = "
+ nAccNum);
log(
"SELECT balance FROM "
+ m_Driver.getAccountName()
+ " WHERE account = "
+ nAccNum
+ "\n",
2);
ResultSet balanceSet =
stmt.executeQuery(
"SELECT balance FROM "
+ m_Driver.getAccountName()
+ " WHERE account = "
+ nAccNum);
balanceSet.next();
dBalance = balanceSet.getDouble(1);
balanceSet.close();
log(
"UPDATE "
+ m_Driver.getTellerName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE teller = "
+ nTellerNum
+ "\n",
2);
stmt.executeUpdate(
"UPDATE "
+ m_Driver.getTellerName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE teller = "
+ nTellerNum);
log(
"UPDATE "
+ m_Driver.getBranchName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE branch = "
+ nBranchNum
+ "\n",
2);
stmt.executeUpdate(
"UPDATE "
+ m_Driver.getBranchName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE branch = "
+ nBranchNum);
log(
"INSERT INTO "
+ m_Driver.getHistoryName()
+ " (histid, account, teller, branch, amount, timeoftxn, filler) VALUES ("
+ nRun
+ " , "
+ nAccNum
+ " , "
+ nTellerNum
+ " , "
+ nBranchNum
+ " , "
+ dDelta
+ " , "
+ m_nowFunction
+ " , \'"
+ BenchPanel.strFiller.substring(0, 21)
+ "\')\n",
2);
stmt.executeUpdate(
"INSERT INTO "
+ m_Driver.getHistoryName()
+ " (histid, account, teller, branch, amount, timeoftxn, filler) VALUES ("
+ nRun
+ " , "
+ nAccNum
+ " , "
+ nTellerNum
+ " , "
+ nBranchNum
+ " , "
+ dDelta
+ " , "
+ m_nowFunction
+ " , \'"
+ BenchPanel.strFiller.substring(0, 21)
+ "\')");
if (m_bQuery) executeQuery();
// System.out.println("Done query");
if (m_bTransactionsUsed) m_conn.commit();
java.util.Date endTime = new java.util.Date();
// System.out.println("Done");
m_nTrans += 1;
long diff = endTime.getTime() - startTime.getTime();
if (diff < 1000) m_nTrans1Sec += 1;
else if (diff < 2000) m_nTrans2Sec += 1;
m_nTimeSum += ((double) diff) / 1000;
} catch (SQLException e1) {
// System.err.println(e1.getMessage());
// e1.printStackTrace();
break;
}
if (nRun % nProgressStep == 0) setProgressValue(nRun);
// yield();
}
setProgressValue(m_nNumRuns - 1);
m_conn.setAutoCommit(bCurrentAutoCommit);
} catch (SQLException e) {
// e.printStackTrace();
// JOptionPane.showMessageDialog(null, e.getMessage(), "SQL Error in Text test",
// JOptionPane.ERROR_MESSAGE);
log("SQLError in text test : " + e.getMessage(), 0);
} finally {
if (stmt != null)
try {
stmt.close();
} catch (SQLException e) {
}
}
}
void runPrepareTest() {
setProgressMinMax(0, m_nNumRuns - 1);
int nProgressStep = m_nNumRuns / 10 + 1;
try {
boolean m_bTransactionsUsed = m_bTrans && m_conn.getMetaData().supportsTransactions();
boolean bCurrentAutoCommit = m_conn.getAutoCommit();
m_conn.setAutoCommit(!m_bTransactionsUsed);
int nAccNum, nBranchNum, nTellerNum;
double dDelta, dBalance;
log(
"Starting SQL prepare/execute benchmark for "
+ m_nNumRuns
+ ((m_time > 0) ? " min.\n" : " runs\n"),
0);
java.util.Random rand = new java.util.Random(m_nMaxAccount + m_nMaxBranch + m_nMaxTeller);
for (int nRun = 0; (m_time > 0) ? true : nRun < m_nNumRuns; nRun++) {
if (m_time > 0) {
java.util.Date current = new java.util.Date();
if ((current.getTime() - m_time) > (m_nNumRuns * 60000)) break;
}
PreparedStatement updAccStmt = null,
selAccStmt = null,
updTellerStmt = null,
updBranchStmt = null,
insHistStmt = null;
try {
nAccNum = (int) (rand.nextFloat() * rand.nextFloat() * (m_nMaxAccount - 1)) + 1;
nBranchNum = (int) (rand.nextFloat() * (m_nMaxBranch - 1)) + 1;
nTellerNum = (int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1;
dDelta =
((double)
((long)
((((int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1)
* (rand.nextFloat() > 0.5 ? -1 : 1))
* 100)))
/ 100;
// prepare statements
updAccStmt =
m_conn.prepareStatement(
"UPDATE "
+ m_Driver.getAccountName()
+ " SET balance = balance + ? WHERE account = ?");
selAccStmt =
m_conn.prepareStatement(
"SELECT balance FROM " + m_Driver.getAccountName() + " WHERE account = ?");
updTellerStmt =
m_conn.prepareStatement(
"UPDATE "
+ m_Driver.getTellerName()
+ " SET balance = balance + ? WHERE teller = ?");
updBranchStmt =
m_conn.prepareStatement(
"UPDATE "
+ m_Driver.getBranchName()
+ " SET balance = balance + ? WHERE branch = ?");
insHistStmt =
m_conn.prepareStatement(
"INSERT INTO "
+ m_Driver.getHistoryName()
+ " (histid, account, teller, branch, amount, timeoftxn, filler) VALUES (? , ? , ? , ? , ? , "
+ m_nowFunction
+ " , ?)");
// bind parameters
updAccStmt.setDouble(1, dDelta);
updAccStmt.setInt(2, nAccNum);
// System.out.println(nAccNum);
selAccStmt.setInt(1, nAccNum);
updTellerStmt.setDouble(1, dDelta);
updTellerStmt.setInt(2, nTellerNum);
updBranchStmt.setDouble(1, dDelta);
updBranchStmt.setInt(2, nBranchNum);
insHistStmt.setInt(1, nRun);
insHistStmt.setInt(2, nAccNum);
insHistStmt.setInt(3, nTellerNum);
insHistStmt.setInt(4, nBranchNum);
insHistStmt.setDouble(5, dDelta);
insHistStmt.setString(6, BenchPanel.strFiller.substring(0, 21));
java.util.Date startTime = new java.util.Date();
// execute statements
log(
"UPDATE "
+ m_Driver.getAccountName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE account = "
+ nAccNum
+ "\n",
2);
updAccStmt.executeUpdate();
log(
"SELECT balance FROM "
+ m_Driver.getAccountName()
+ " WHERE account = "
+ nAccNum
+ "\n",
2);
ResultSet balanceSet = selAccStmt.executeQuery();
balanceSet.next();
dBalance = balanceSet.getFloat(1);
// if (balanceSet == null)
// System.out.println("balanceSet is NULL");
// else {
// String strBalance = balanceSet.getString(1);
// System.out.println(balanceSet.wasNull() ? "SQL NULL" : strBalance);
// }
balanceSet.close();
log(
"UPDATE "
+ m_Driver.getTellerName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE teller = "
+ nTellerNum
+ "\n",
2);
updTellerStmt.executeUpdate();
log(
"UPDATE "
+ m_Driver.getBranchName()
+ " SET balance = balance + "
+ dDelta
+ " WHERE branch = "
+ nBranchNum
+ "\n",
2);
updBranchStmt.executeUpdate();
log(
"INSERT INTO "
+ m_Driver.getHistoryName()
+ " (histid, account, teller, branch, amount, timeoftxn, filler) VALUES ("
+ nRun
+ " , "
+ nAccNum
+ " , "
+ nTellerNum
+ " , "
+ nBranchNum
+ " , "
+ dDelta
+ " , "
+ m_nowFunction
+ " , \'"
+ BenchPanel.strFiller.substring(0, 21)
+ "\')\n",
2);
insHistStmt.executeUpdate();
if (m_bQuery) executeQuery();
if (m_bTransactionsUsed) m_conn.commit();
java.util.Date endTime = new java.util.Date();
m_nTrans += 1;
double diff = endTime.getTime() - startTime.getTime();
if (diff < 1000) m_nTrans1Sec += 1;
else if (diff < 2000) m_nTrans2Sec += 1;
m_nTimeSum += diff / 1000;
} catch (SQLException e1) {
// System.err.println(e1.getMessage());
break;
} finally {
try {
if (updAccStmt != null) updAccStmt.close();
if (selAccStmt != null) selAccStmt.close();
if (updTellerStmt != null) updTellerStmt.close();
if (updBranchStmt != null) updBranchStmt.close();
if (insHistStmt != null) insHistStmt.close();
} catch (SQLException e) {
}
}
if (nRun % nProgressStep == 0) setProgressValue(nRun);
// yield();
}
setProgressValue(m_nNumRuns - 1);
m_conn.setAutoCommit(bCurrentAutoCommit);
} catch (SQLException e) {
// JOptionPane.showMessageDialog(null, e.getMessage(), "SQL Error in Text test",
// JOptionPane.ERROR_MESSAGE);
log("SQLError in prepare test : " + e.getMessage(), 0);
}
}
void runProcTest() {
setProgressMinMax(0, m_nNumRuns - 1);
int nProgressStep = m_nNumRuns / 10 + 1;
CallableStatement stmt = null;
try {
boolean m_bTransactionsUsed = m_bTrans && m_conn.getMetaData().supportsTransactions();
stmt = m_conn.prepareCall("{call ODBC_BENCHMARK(?,?,?,?,?,?,?)}");
int nAccNum, nBranchNum, nTellerNum;
double dDelta, dBalance;
log(
"Starting procedure benchmark for " + m_nNumRuns + ((m_time > 0) ? " min.\n" : " runs\n"),
0);
java.util.Random rand = new java.util.Random(m_nMaxAccount + m_nMaxBranch + m_nMaxTeller);
for (int nRun = 0; (m_time > 0) ? true : nRun < m_nNumRuns; nRun++) {
if (m_time > 0) {
java.util.Date current = new java.util.Date();
if ((current.getTime() - m_time) > (m_nNumRuns * 60000)) break;
}
try {
nAccNum = (int) (rand.nextFloat() * rand.nextFloat() * (m_nMaxAccount - 1)) + 1;
nBranchNum = (int) (rand.nextFloat() * (m_nMaxBranch - 1)) + 1;
nTellerNum = (int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1;
dDelta =
((double)
((long)
((((int) (rand.nextFloat() * (m_nMaxTeller - 1)) + 1)
* (rand.nextFloat() > 0.5 ? -1 : 1))
* 100)))
/ 100;
stmt.clearParameters();
stmt.setInt(1, nRun + 1);
stmt.setInt(2, nAccNum);
stmt.setInt(3, nTellerNum);
stmt.setInt(4, nBranchNum);
stmt.setFloat(5, (float) dDelta);
stmt.registerOutParameter(6, Types.FLOAT);
stmt.setString(7, BenchPanel.strFiller.substring(0, 22));
java.util.Date startTime = new java.util.Date();
log(
"{call ODBC_BENCHMARK("
+ nRun
+ ", "
+ nAccNum
+ ","
+ nTellerNum
+ ","
+ nBranchNum
+ ","
+ dDelta
+ ",?,\'"
+ BenchPanel.strFiller.substring(0, 22)
+ "\')}\n",
2);
stmt.execute();
stmt.getFloat(6);
if (m_bQuery) executeQuery();
java.util.Date endTime = new java.util.Date();
m_nTrans += 1;
double diff = endTime.getTime() - startTime.getTime();
if (diff < 1000) m_nTrans1Sec += 1;
else if (diff < 2000) m_nTrans2Sec += 1;
m_nTimeSum += diff / 1000;
} catch (SQLException e1) {
// System.err.println(e1.getMessage());
// e1.printStackTrace();
break;
}
if (nRun % nProgressStep == 0) setProgressValue(nRun);
// yield();
}
setProgressValue(m_nNumRuns - 1);
} catch (SQLException e) {
// JOptionPane.showMessageDialog(null, e.getMessage(), "SQL Error in proc test",
// JOptionPane.ERROR_MESSAGE);
log("SQLError in procedure test : " + e.getMessage(), 0);
} finally {
if (stmt != null)
try {
stmt.close();
} catch (SQLException e) {
}
stmt = null;
}
}