/**
* Create an initialize a {@link LazyObject} with the given bytes for the given fieldID.
*
* @param fieldID field for which the object is to be created
* @param bytes value with which the object is to be initialized with
* @return initialized {@link LazyObject}
*/
public LazyObject<? extends ObjectInspector> toLazyObject(int fieldID, byte[] bytes) {
ObjectInspector fieldOI = oi.getAllStructFieldRefs().get(fieldID).getFieldObjectInspector();
LazyObject<? extends ObjectInspector> lazyObject = LazyFactory.createLazyObject(fieldOI);
ByteArrayRef ref = new ByteArrayRef();
ref.setData(bytes);
// initialize the lazy object
lazyObject.init(ref, 0, ref.getData().length);
return lazyObject;
}
@Override
protected LazyObjectBase createLazyField(final int fieldID, final StructField fieldRef)
throws SerDeException {
if (columnsMapping[fieldID].hbaseRowKey) {
return keyFactory.createKey(fieldRef.getFieldObjectInspector());
}
if (columnsMapping[fieldID].hbaseTimestamp) {
return LazyFactory.createLazyObject(fieldRef.getFieldObjectInspector());
}
if (valueFactories != null) {
return valueFactories.get(fieldID).createValueObject(fieldRef.getFieldObjectInspector());
}
// fallback to default
return HBaseSerDeHelper.createLazyField(
columnsMapping, fieldID, fieldRef.getFieldObjectInspector());
}
@Override
public void initialize(final Configuration conf, final Properties tbl) throws SerDeException {
LOG.debug("Entry SdbSerDe::initialize");
final String columnString = tbl.getProperty(ConfigurationUtil.COLUMN_MAPPING);
if (StringUtils.isBlank(columnString)) {
throw new SerDeException("No column mapping found, use " + ConfigurationUtil.COLUMN_MAPPING);
}
final String[] columnNamesArray = ConfigurationUtil.getAllColumns(columnString);
fieldCount = columnNamesArray.length;
columnNames = new ArrayList<String>(columnNamesArray.length);
columnNames.addAll(Arrays.asList(columnNamesArray));
serdeParams = LazySimpleSerDe.initSerdeParams(conf, tbl, getClass().getName());
LOG.debug(
"EscapeChar:"
+ serdeParams.getEscapeChar()
+ "getSeparators:"
+ new String(serdeParams.getSeparators()));
byte[] sparator = new byte[1];
sparator[0] = '|';
objectInspector =
LazyFactory.createLazyStructInspector(
serdeParams.getColumnNames(),
serdeParams.getColumnTypes(),
sparator,
serdeParams.getNullSequence(),
serdeParams.isLastColumnTakesRest(),
serdeParams.isEscaped(),
serdeParams.getEscapeChar());
row = new LazyStruct((LazySimpleStructObjectInspector) objectInspector);
LOG.debug("Exit SdbSerDe::initialize");
}
