/**
* This method returns an array of all the tables referenced in the datastore.
*
* @param updateable True if the table list should only include updateable tables and false if it
* should include all.
*/
public String[] getTableList(boolean updateable) {
DSColumnDescriptor col = null;
Vector tables = new Vector();
Vector pkey = new Vector();
for (int i = 0; i < _desc.getColumnCount(); i++) {
col = _desc.getColumn(i);
String tableName = col.getTable();
if (tableName == null) tableName = _desc.getDefaultTable();
if ((!updateable) || col.isUpdateable()) {
boolean found = false;
for (int j = 0; j < tables.size(); j++) {
if ((tables.elementAt(j)).equals(tableName)) {
if (col.isPrimaryKey()) pkey.setElementAt(new Boolean(true), j);
found = true;
break;
}
}
if (!found && tableName != null) {
tables.addElement(tableName);
pkey.addElement(new Boolean(col.isPrimaryKey()));
}
}
}
if (updateable) {
for (int i = pkey.size() - 1; i > -1; i--) {
if (!((Boolean) pkey.elementAt(i)).booleanValue()) tables.removeElementAt(i);
}
} else {
for (int i = 0; i < getAliasCount(); i++) {
try {
String table = getTable(i);
boolean found = false;
for (int j = 0; j < tables.size(); j++) {
if ((tables.elementAt(j)).equals(table)) found = true;
}
if (!found && table != null) tables.addElement(table);
} catch (Exception e) {
}
}
}
String retVal[] = new String[tables.size()];
tables.copyInto(retVal);
return retVal;
}
/** This method returns whether a column is part of the primary key */
public boolean isPrimaryKey(int col) throws DataStoreException {
if (col < 0 || _desc.getColumnCount() == 0)
throw new DataStoreException("Specified column (" + col + ") does not exist.");
DSColumnDescriptor c = _desc.getColumn(col);
return c.isPrimaryKey();
}
