@Override
public DrillTable create(String key) {
try {
FileSelection fileSelection = FileSelection.create(fs, config.getLocation(), key);
if (fileSelection == null) return null;
if (fileSelection.containsDirectories(fs)) {
for (FormatMatcher m : dirMatchers) {
try {
Object selection = m.isReadable(fileSelection);
if (selection != null)
return new DynamicDrillTable(plugin, storageEngineName, selection);
} catch (IOException e) {
logger.debug("File read failed.", e);
}
}
fileSelection = fileSelection.minusDirectories(fs);
}
for (FormatMatcher m : fileMatchers) {
Object selection = m.isReadable(fileSelection);
if (selection != null) return new DynamicDrillTable(plugin, storageEngineName, selection);
}
return null;
} catch (IOException e) {
logger.debug(
"Failed to create DrillTable with root {} and name {}", config.getLocation(), key, e);
}
return null;
}
@Override
public FormatSelection isReadable(DrillFileSystem fs, FileSelection selection)
throws IOException {
// TODO: we only check the first file for directory reading. This is because
if (selection.containsDirectories(fs)) {
if (isDirReadable(fs, selection.getFirstPath(fs))) {
return new FormatSelection(plugin.getConfig(), expandSelection(fs, selection));
}
}
return super.isReadable(fs, selection);
}