/**
* @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());
}
/**
* Encodes given object to a byte array and returns flags that describe the type of serialized
* object.
*
* @param obj Object to serialize.
* @param out Output stream to which object should be written.
* @return Serialization flags.
* @throws GridException If JDK serialization failed.
*/
private int encodeObj(Object obj, ByteArrayOutputStream out) throws GridException {
int flags = 0;
byte[] data = null;
if (obj instanceof String) {
data = ((String) obj).getBytes();
} else if (obj instanceof Boolean) {
data = new byte[] {(byte) ((Boolean) obj ? '1' : '0')};
flags |= BOOLEAN_FLAG;
} else if (obj instanceof Integer) {
data = U.intToBytes((Integer) obj);
flags |= INT_FLAG;
} else if (obj instanceof Long) {
data = U.longToBytes((Long) obj);
flags |= LONG_FLAG;
} else if (obj instanceof Date) {
data = U.longToBytes(((Date) obj).getTime());
flags |= DATE_FLAG;
} else if (obj instanceof Byte) {
data = new byte[] {(Byte) obj};
flags |= BYTE_FLAG;
} else if (obj instanceof Float) {
data = U.intToBytes(Float.floatToIntBits((Float) obj));
flags |= FLOAT_FLAG;
} else if (obj instanceof Double) {
data = U.longToBytes(Double.doubleToLongBits((Double) obj));
flags |= DOUBLE_FLAG;
} else if (obj instanceof byte[]) {
data = (byte[]) obj;
flags |= BYTE_ARR_FLAG;
} else {
jdkMarshaller.marshal(obj, out);
flags |= SERIALIZED_FLAG;
}
if (data != null) out.write(data, 0, data.length);
return flags;
}
/**
* Serialize object to byte array using marshaller.
*
* @param obj Object to convert to byte array.
* @return Byte array.
* @throws GridException If failed to convert.
*/
protected byte[] toBytes(Object obj) throws GridException {
return marsh.marshal(obj);
}