IGNITE-26863 Fixed broken Binary Object size calculation for enum objects

Author: petrov-mg

modules/binary/api/src/main/java/org/apache/ignite/internal/binary/BinaryEnumObjectImpl.java

@@ -323,12 +323,7 @@ private <T> T uncachedValue(Class<?> cls) throws BinaryObjectException {
 
     /** {@inheritDoc} */
     @Override public byte[] valueBytes(CacheObjectValueContext cacheCtx) throws IgniteCheckedException {
-        if (valBytes != null)
-            return valBytes;
-
-        valBytes = Marshallers.marshal(ctx.marshaller(), this);
-
-        return valBytes;
+        return valueBytes();
     }
 
     /** {@inheritDoc} */
@@ -382,15 +377,21 @@ private <T> T uncachedValue(Class<?> cls) throws BinaryObjectException {
 
     /** {@inheritDoc} */
     @Override public int size() {
-        if (valBytes == null) {
-            try {
-                valBytes = Marshallers.marshal(ctx.marshaller(), this);
-            }
-            catch (IgniteCheckedException e) {
-                throw CommonUtils.convertException(e);
-            }
+        try {
+            return valueBytes().length;
+        }
+        catch (IgniteCheckedException e) {
+            throw CommonUtils.convertException(e);
         }
+    }
+
+    /** */
+    private byte[] valueBytes() throws IgniteCheckedException {
+        if (valBytes != null)
+            return valBytes;
+
+        valBytes = Marshallers.marshal(ctx.marshaller(), this);
 
-        return BinaryPrimitives.readInt(valBytes, ord + GridBinaryMarshaller.TOTAL_LEN_POS);
+        return valBytes;
     }
 }