/**
* Examines the supplied experiment to determine the results destination and attempts to load the
* results.
*
* @param exp a value of type 'Experiment'
*/
protected void setInstancesFromExp(Experiment exp) {
if ((exp.getResultListener() instanceof CSVResultListener)) {
File resultFile = ((CSVResultListener) exp.getResultListener()).getOutputFile();
if ((resultFile == null)) {
m_FromLab.setText("No result file");
} else {
setInstancesFromFile(resultFile);
}
} else if (exp.getResultListener() instanceof DatabaseResultListener) {
String dbaseURL = ((DatabaseResultListener) exp.getResultListener()).getDatabaseURL();
try {
if (m_InstanceQuery == null) {
m_InstanceQuery = new InstanceQuery();
}
m_InstanceQuery.setDatabaseURL(dbaseURL);
m_InstanceQuery.connectToDatabase();
String tableName = m_InstanceQuery.getResultsTableName(exp.getResultProducer());
setInstancesFromDatabaseTable(tableName);
} catch (Exception ex) {
m_FromLab.setText("Problem reading database");
}
} else {
m_FromLab.setText("Can't get results from experiment");
}
}
/** Queries the user enough to make a database query to retrieve experiment results. */
protected void setInstancesFromDBaseQuery() {
try {
if (m_InstanceQuery == null) {
m_InstanceQuery = new InstanceQuery();
}
String dbaseURL = m_InstanceQuery.getDatabaseURL();
dbaseURL =
(String)
JOptionPane.showInputDialog(
this,
"Enter the database URL",
"Query Database",
JOptionPane.PLAIN_MESSAGE,
null,
null,
dbaseURL);
if (dbaseURL == null) {
m_FromLab.setText("Cancelled");
return;
}
m_InstanceQuery.setDatabaseURL(dbaseURL);
m_InstanceQuery.connectToDatabase();
if (!m_InstanceQuery.experimentIndexExists()) {
m_FromLab.setText("No experiment index");
return;
}
m_FromLab.setText("Getting experiment index");
Instances index =
m_InstanceQuery.retrieveInstances("SELECT * FROM " + InstanceQuery.EXP_INDEX_TABLE);
if (index.numInstances() == 0) {
m_FromLab.setText("No experiments available");
return;
}
m_FromLab.setText("Got experiment index");
DefaultListModel lm = new DefaultListModel();
for (int i = 0; i < index.numInstances(); i++) {
lm.addElement(index.instance(i).toString());
}
JList jl = new JList(lm);
ListSelectorDialog jd = new ListSelectorDialog(null, jl);
int result = jd.showDialog();
if (result != ListSelectorDialog.APPROVE_OPTION) {
m_FromLab.setText("Cancelled");
return;
}
Instance selInst = index.instance(jl.getSelectedIndex());
Attribute tableAttr = index.attribute(InstanceQuery.EXP_RESULT_COL);
String table = InstanceQuery.EXP_RESULT_PREFIX + selInst.toString(tableAttr);
setInstancesFromDatabaseTable(table);
} catch (Exception ex) {
m_FromLab.setText("Problem reading database");
}
}
public static Instances readDB(String sqlQuery, String tableName, int sourceIndex) {
/*
proper mysql query is needed.
sqlQuery : "SELECT * FROM AccelerometerSensorProbe"
*/
if (!sqlQuery.contains(tableName)) {
System.out.println("tableName must be included in sqlQuery!");
System.out.println("tableName : " + tableName + " / sqlQuery : " + sqlQuery);
System.exit(-1);
}
ProjectEvaluator.tableUsed(tableName);
Instances dataSet = null;
try {
InstanceQuery query = new InstanceQuery();
if (sourceIndex == 0) {
query.setDatabaseURL(DBConn.url);
query.setUsername(DBConn.user);
query.setPassword(DBConn.pwd);
} else if (sourceIndex == 1) {
query.setDatabaseURL(DBConn.url_validation);
query.setUsername(DBConn.user_validation);
query.setPassword(DBConn.pwd_validation);
} else if (sourceIndex == 2) {
query.setDatabaseURL(ProjectEvaluator.testUrl);
query.setUsername(ProjectEvaluator.testUser);
query.setPassword(ProjectEvaluator.testPwd);
} else {
throw new Exception("source index must be 0, 1 or 2!");
}
query.setQuery(sqlQuery);
dataSet = query.retrieveInstances();
dataSet.setClassIndex(dataSet.numAttributes() - 1);
} catch (Exception e) {
e.printStackTrace();
}
return dataSet;
}
/** Queries the user enough to make a database query to retrieve experiment results. */
protected void setInstancesFromDBaseQuery() {
try {
if (m_InstanceQuery == null) {
m_InstanceQuery = new InstanceQuery();
}
String dbaseURL = m_InstanceQuery.getDatabaseURL();
String username = m_InstanceQuery.getUsername();
String passwd = m_InstanceQuery.getPassword();
/*dbaseURL = (String) JOptionPane.showInputDialog(this,
"Enter the database URL",
"Query Database",
JOptionPane.PLAIN_MESSAGE,
null,
null,
dbaseURL);*/
DatabaseConnectionDialog dbd = new DatabaseConnectionDialog(null, dbaseURL, username);
dbd.setVisible(true);
// if (dbaseURL == null) {
if (dbd.getReturnValue() == JOptionPane.CLOSED_OPTION) {
m_FromLab.setText("Cancelled");
return;
}
dbaseURL = dbd.getURL();
username = dbd.getUsername();
passwd = dbd.getPassword();
m_InstanceQuery.setDatabaseURL(dbaseURL);
m_InstanceQuery.setUsername(username);
m_InstanceQuery.setPassword(passwd);
m_InstanceQuery.setDebug(dbd.getDebug());
m_InstanceQuery.connectToDatabase();
if (!m_InstanceQuery.experimentIndexExists()) {
System.err.println("not found");
m_FromLab.setText("No experiment index");
m_InstanceQuery.disconnectFromDatabase();
return;
}
System.err.println("found");
m_FromLab.setText("Getting experiment index");
Instances index =
m_InstanceQuery.retrieveInstances("SELECT * FROM " + InstanceQuery.EXP_INDEX_TABLE);
if (index.numInstances() == 0) {
m_FromLab.setText("No experiments available");
m_InstanceQuery.disconnectFromDatabase();
return;
}
m_FromLab.setText("Got experiment index");
DefaultListModel lm = new DefaultListModel();
for (int i = 0; i < index.numInstances(); i++) {
lm.addElement(index.instance(i).toString());
}
JList jl = new JList(lm);
jl.setSelectedIndex(0);
int result;
// display dialog only if there's not just one result!
if (jl.getModel().getSize() != 1) {
ListSelectorDialog jd = new ListSelectorDialog(null, jl);
result = jd.showDialog();
} else {
result = ListSelectorDialog.APPROVE_OPTION;
}
if (result != ListSelectorDialog.APPROVE_OPTION) {
m_FromLab.setText("Cancelled");
m_InstanceQuery.disconnectFromDatabase();
return;
}
Instance selInst = index.instance(jl.getSelectedIndex());
Attribute tableAttr = index.attribute(InstanceQuery.EXP_RESULT_COL);
String table = InstanceQuery.EXP_RESULT_PREFIX + selInst.toString(tableAttr);
setInstancesFromDatabaseTable(table);
} catch (Exception ex) {
// 1. print complete stacktrace
ex.printStackTrace();
// 2. print message in panel
m_FromLab.setText("Problem reading database: '" + ex.getMessage() + "'");
}
}