[Java] Add transient for cached hashcode of IDs to reduce serialized …

…size. (ray-project#22766) Use `transient` keyword for reducing the serialized size of ids for transporting.
simonsays1980 · Mar 8, 2022 · 9aa0b4e · 9aa0b4e
1 parent 7f57268
commit 9aa0b4e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/java/api/src/main/java/io/ray/api/id/BaseId.java b/java/api/src/main/java/io/ray/api/id/BaseId.java
@@ -8,8 +8,8 @@
 public abstract class BaseId implements Serializable {
   private static final long serialVersionUID = 8588849129675565761L;
   private final byte[] id;
-  private int hashCodeCache = 0;
-  private Boolean isNilCache = null;
+  private transient int hashCodeCache = 0;
+  private transient Boolean isNilCache = null;
 
   /** Create a BaseId instance according to the input byte array. */
   protected BaseId(byte[] id) {