@Override
public Writable serialize(Object obj, ObjectInspector objInspector)
throws SerDeException {
if (objInspector.getCategory() != Category.STRUCT) {
throw new SerDeException(getClass().toString()
+ " can only serialize struct types, but we got: "
+ objInspector.getTypeName());
}
// Prepare the field ObjectInspectors
StructObjectInspector soi = (StructObjectInspector) objInspector;
List<? extends StructField> fields = soi.getAllStructFieldRefs();
List<Object> list = soi.getStructFieldsDataAsList(obj);
List<? extends StructField> declaredFields =
(serdeParams.getRowTypeInfo() != null &&
((StructTypeInfo) serdeParams.getRowTypeInfo())
.getAllStructFieldNames().size() > 0) ?
((StructObjectInspector)getObjectInspector()).getAllStructFieldRefs()
: null;
BatchUpdate batchUpdate;
try {
byte [] key =
serializeField(
iKey, HBASE_KEY_COL, null, fields, list, declaredFields);
if (key == null) {
throw new SerDeException("HBase row key cannot be NULL");
}
batchUpdate = new BatchUpdate(key);
// Serialize each field
for (int i = 0; i < fields.size(); i++) {
if (i == iKey) {
// already processed the key above
continue;
}
String hbaseColumn = hbaseColumnNames.get(i);
serializeField(
i, hbaseColumn, batchUpdate, fields, list, declaredFields);
}
} catch (IOException e) {
throw new SerDeException(e);
}
return batchUpdate;
}