valepakh commented on code in PR #5017:
URL: https://github.com/apache/ignite-3/pull/5017#discussion_r1910410754
##########
modules/client-common/src/main/java/org/apache/ignite/internal/client/proto/ClientComputeJobUnpacker.java:
##########
@@ -52,97 +41,13 @@ public final class ClientComputeJobUnpacker {
@Nullable Marshaller<?, byte[]> marshaller,
@Nullable Class<?> resultClass
) {
- if (unpacker.tryUnpackNil()) {
- return null;
- }
-
- // Underlying byte array expected to be in the following format: |
typeId | value |.
- int typeId = unpacker.unpackInt();
- ComputeJobDataType type = ComputeJobDataType.fromId(typeId);
- if (type == null) {
- throw new UnmarshallingException("Unsupported compute job type id:
" + typeId);
- }
-
- switch (type) {
- case NATIVE:
- if (marshaller != null) {
- throw new UnmarshallingException(
- "Can not unpack object because the marshaller is
provided but the object was packed without marshaller."
- );
- }
-
- return unpacker.unpackObjectFromBinaryTuple();
-
- case TUPLE:
- return
TupleWithSchemaMarshalling.unmarshal(unpacker.readBinary());
+ ComputeJobDataHolder holder =
unpackJobArgumentWithoutMarshaller(unpacker);
- case MARSHALLED_CUSTOM:
- if (marshaller == null) {
- throw new UnmarshallingException(
- "Can not unpack object because the marshaller is
not provided but the object was packed with marshaller."
- );
- }
- return tryUnmarshalOrCast(marshaller, unpacker.readBinary());
-
- case POJO:
- if (resultClass == null) {
- throw new UnmarshallingException(
- "Can not unpack object because the pojo class is
not provided but the object was packed as pojo. "
- + "Provide Job result type in
JobDescriptor.resultClass."
- );
- }
- return unpackPojo(unpacker, resultClass);
-
- case TUPLE_COLLECTION: {
- // TODO: IGNITE-24059 Deduplicate with ComputeUtils.
- ByteBuffer collectionBuf =
unpacker.readBinaryUnsafe().order(ByteOrder.LITTLE_ENDIAN);
- int count = collectionBuf.getInt();
- BinaryTupleReader reader = new BinaryTupleReader(count,
collectionBuf.slice().order(ByteOrder.LITTLE_ENDIAN));
-
- List<Tuple> res = new ArrayList<>(count);
- for (int i = 0; i < count; i++) {
- ByteBuffer elementBytes = reader.bytesValueAsBuffer(i);
-
- if (elementBytes == null) {
- res.add(null);
- continue;
- }
-
-
res.add(TupleWithSchemaMarshalling.unmarshal(elementBytes));
- }
-
- return res;
- }
-
- default:
- throw new UnmarshallingException("Unsupported compute job
type: " + type);
- }
- }
-
- private static Object unpackPojo(ClientMessageUnpacker unpacker, Class<?>
pojoClass) {
- try {
- Object obj = pojoClass.getConstructor().newInstance();
-
- fromTuple(obj,
TupleWithSchemaMarshalling.unmarshal(unpacker.readBinary()));
-
- return obj;
- } catch (NoSuchMethodException e) {
- throw new UnmarshallingException("Class " + pojoClass.getName() +
" doesn't have public default constructor. "
- + "Add the default constructor or provide Marshaller for "
+ pojoClass.getName() + " in JobDescriptor.resultMarshaller",
- e);
- } catch (InvocationTargetException e) {
- throw new UnmarshallingException("Constructor has thrown an
exception", e);
- } catch (InstantiationException e) {
- throw new UnmarshallingException("Can't instantiate an object of
class " + pojoClass.getName(), e);
- } catch (IllegalAccessException e) {
- throw new UnmarshallingException("Constructor is inaccessible", e);
- } catch (PojoConversionException e) {
- throw new UnmarshallingException("Can't unpack object", e);
- }
+ return SharedComputeUtils.unmarshalArgOrResult(holder, marshaller,
resultClass);
}
/** Unpacks compute job argument without marshaller. */
- public static @Nullable Object
unpackJobArgumentWithoutMarshaller(ClientMessageUnpacker unpacker) {
+ public static @Nullable ComputeJobDataHolder
unpackJobArgumentWithoutMarshaller(ClientMessageUnpacker unpacker) {
Review Comment:
I mean that we could move this method to the `SharedComputeUtils` and move
the remainder of this class (and packer too) back to `client` module.
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