/** 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"); } }
/** 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() + "'"); } }