in asterix-bad/src/main/java/org/apache/asterix/bad/metadata/BrokerTupleTranslator.java [60:107]
public ITupleReference getTupleFromMetadataEntity(Broker broker) throws HyracksDataException, MetadataException {
String dataverseCanonicalName = broker.getDataverseName().getCanonicalForm();
// write the key in the first fields of the tuple
tupleBuilder.reset();
aString.setValue(dataverseCanonicalName);
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
aString.setValue(broker.getBrokerName());
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
recordBuilder.reset(BADMetadataRecordTypes.BROKER_RECORDTYPE);
// write field 0
fieldValue.reset();
aString.setValue(dataverseCanonicalName);
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(BADMetadataRecordTypes.BROKER_DATAVERSE_NAME_FIELD_INDEX, fieldValue);
// write field 1
fieldValue.reset();
aString.setValue(broker.getBrokerName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(BADMetadataRecordTypes.BROKER_NAME_FIELD_INDEX, fieldValue);
// write field 2
fieldValue.reset();
aString.setValue(broker.getEndPointName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(BADMetadataRecordTypes.BROKER_ENDPOINT_FIELD_INDEX, fieldValue);
// write field 3
fieldValue.reset();
aString.setValue(broker.getBrokerType());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(BADMetadataRecordTypes.BROKER_TYPE_FIELD_INDEX, fieldValue);
// write record
recordBuilder.write(tupleBuilder.getDataOutput(), true);
tupleBuilder.addFieldEndOffset();
tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
return tuple;
}