pavlukhin commented on a change in pull request #7320: IGNITE-12468 Java thin
client: deserialization of arrays, collections and maps fixed
URL: https://github.com/apache/ignite/pull/7320#discussion_r375830252
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/client/thin/ClientUtils.java
##########
@@ -522,12 +528,73 @@ void writeObject(BinaryOutputStream out, Object obj) {
/** Read Ignite binary object from input stream. */
<T> T readObject(BinaryInputStream in, boolean keepBinary) {
- Object val = marsh.unmarshal(in);
+ if (keepBinary)
+ return (T)marsh.unmarshal(in);
+ else {
+ BinaryReaderHandles hnds = new BinaryReaderHandles();
+
+ return (T)unwrapBinary(marsh.deserialize(in, hnds), hnds);
+ }
+ }
+
+ /**
+ * Unwrap binary object.
+ */
+ private Object unwrapBinary(Object obj, BinaryReaderHandles hnds) {
+ if (obj instanceof BinaryObjectImpl) {
+ BinaryObjectImpl obj0 = (BinaryObjectImpl)obj;
+
+ return
marsh.deserialize(BinaryHeapInputStream.create(obj0.array(), obj0.start()),
hnds);
+ }
+ else if (obj instanceof BinaryObject )
+ return ((BinaryObject)obj).deserialize();
+ else if (BinaryUtils.knownCollection(obj))
+ return unwrapCollection((Collection<Objects>)obj, hnds);
+ else if (BinaryUtils.knownMap(obj))
+ return unwrapMap((Map<Object, Object>)obj, hnds);
+ else if (obj instanceof Object[])
+ return unwrapArray((Object[])obj, hnds);
+ else
+ return obj;
+ }
+
+ /**
+ * Unwrap collection with binary objects.
+ */
+ private Collection<Object> unwrapCollection(Collection<Objects> col,
BinaryReaderHandles hnds) {
+ Collection<Object> col0 = BinaryUtils.newKnownCollection(col);
+
+ for (Object obj0 : col)
+ col0.add(unwrapBinary(obj0, hnds));
+
+ return (col0 instanceof MutableSingletonList) ?
U.convertToSingletonList(col0) : col0;
+ }
+
+ /**
+ * Unwrap map with binary objects.
+ */
+ private Map<Object, Object> unwrapMap(Map<Object, Object> map,
BinaryReaderHandles hnds) {
+ Map<Object, Object> map0 = BinaryUtils.newMap(map);
+
+ for (Map.Entry<Object, Object> e : map.entrySet())
+ map0.put(unwrapBinary(e.getKey(), hnds),
unwrapBinary(e.getValue(), hnds));
+
+ return map0;
+ }
+
+ /**
+ * Unwrap array with binary objects.
+ */
+ private Object[] unwrapArray(Object[] arr, BinaryReaderHandles hnds) {
+ if (BinaryUtils.knownArray(arr))
+ return arr;
+
+ Object[] res = new Object[arr.length];
Review comment:
Got it.
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