@Override
public boolean visitSchemaRuleCommand(Command.SchemaRuleCommand command) throws IOException {
Collection<DynamicRecord> recordsBefore = new ArrayList<>();
readDynamicRecords(recordsBefore, COLLECTION_DYNAMIC_RECORD_ADDER);
Collection<DynamicRecord> recordsAfter = new ArrayList<>();
readDynamicRecords(recordsAfter, COLLECTION_DYNAMIC_RECORD_ADDER);
byte isCreated = channel.get();
if (1 == isCreated) {
for (DynamicRecord record : recordsAfter) {
record.setCreated();
}
}
// read and ignore transaction id which is not used anymore
channel.getLong();
SchemaRule rule =
first(recordsAfter).inUse()
? readSchemaRule(recordsAfter)
: readSchemaRule(recordsBefore);
command.init(recordsBefore, recordsAfter, rule);
return false;
}
private Collection<DynamicRecord> serialize(
SchemaRule rule, long id, boolean inUse, boolean created) {
RecordSerializer serializer = new RecordSerializer();
serializer = serializer.append(rule);
DynamicRecord record = new DynamicRecord(id);
record.setData(serializer.serialize());
if (created) {
record.setCreated();
}
if (inUse) {
record.setInUse(true);
}
return Arrays.asList(record);
}