/**
* @return Query info.
* @throws GridException In case of error.
*/
@SuppressWarnings({"unchecked"})
private GridCacheQueryInfo localQueryInfo() throws GridException {
GridCacheQueryBean qry = query();
GridPredicate<GridCacheEntry<Object, Object>> prjPred =
qry.query().projectionFilter() == null
? F.<GridCacheEntry<Object, Object>>alwaysTrue()
: qry.query().projectionFilter();
GridMarshaller marsh = cctx.marshaller();
GridReducer<Object, Object> rdc =
qry.reducer() != null
? marsh.<GridReducer<Object, Object>>unmarshal(marsh.marshal(qry.reducer()), null)
: null;
GridClosure<Object, Object> trans =
qry.transform() != null
? marsh.<GridClosure<Object, Object>>unmarshal(marsh.marshal(qry.transform()), null)
: null;
return new GridCacheQueryInfo(
true,
prjPred,
trans,
rdc,
qry.query(),
GridCacheLocalQueryFuture.this,
ctx.localNodeId(),
cctx.io().nextIoId(),
qry.query().includeMetadata(),
true,
qry.arguments());
}
/**
* Decodes value from a given byte array to the object according to the flags given.
*
* @param flags Flags.
* @param bytes Byte array to decode.
* @return Decoded value.
* @throws GridException If deserialization failed.
*/
private Object decodeObj(short flags, byte[] bytes) throws GridException {
assert bytes != null;
if ((flags & SERIALIZED_FLAG) != 0)
return jdkMarshaller.unmarshal(new ByteArrayInputStream(bytes), null);
int masked = flags & 0xff00;
switch (masked) {
case BOOLEAN_FLAG:
return bytes[0] == '1';
case INT_FLAG:
return U.bytesToInt(bytes, 0);
case LONG_FLAG:
return U.bytesToLong(bytes, 0);
case DATE_FLAG:
return new Date(U.bytesToLong(bytes, 0));
case BYTE_FLAG:
return bytes[0];
case FLOAT_FLAG:
return Float.intBitsToFloat(U.bytesToInt(bytes, 0));
case DOUBLE_FLAG:
return Double.longBitsToDouble(U.bytesToLong(bytes, 0));
case BYTE_ARR_FLAG:
return bytes;
default:
return new String(bytes);
}
}
/**
* Deserialize object from byte array using marshaller.
*
* @param bytes Bytes to deserialize.
* @param <X> Result object type.
* @return Deserialized object.
* @throws GridException If failed.
*/
protected <X> X fromBytes(byte[] bytes) throws GridException {
if (bytes == null || bytes.length == 0) return null;
return marsh.unmarshal(bytes, getClass().getClassLoader());
}
