public EvolveStats evolve(EvolveConfig config) throws DatabaseException {
checkOpen();
List<Format> toEvolve = new ArrayList<Format>();
Set<String> configToEvolve = config.getClassesToEvolve();
if (configToEvolve.isEmpty()) {
catalog.getEntityFormats(toEvolve);
} else {
for (String name : configToEvolve) {
Format format = catalog.getFormat(name);
if (format == null) {
throw new IllegalArgumentException("Class to evolve is not persistent: " + name);
}
if (!format.isEntity()) {
throw new IllegalArgumentException("Class to evolve is not an entity class: " + name);
}
toEvolve.add(format);
}
}
EvolveEvent event = EvolveInternal.newEvent();
for (Format format : toEvolve) {
if (format.getEvolveNeeded()) {
evolveIndex(format, event, config.getEvolveListener());
format.setEvolveNeeded(false);
catalog.flush();
}
}
return event.getStats();
}
