comment

src/main/java/com/xiaomi/infra/pegasus/client/request/Batch.java

@@ -13,7 +13,9 @@
 
 public abstract class Batch<Request, Response> implements Serializable {
 
-  private final List<Request> requests;
+  private static final long serialVersionUID = -6267381453465488529L;
+
+  private List<Request> requests;
   public PegasusTableInterface table;
   public int timeout;
 

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchDelete.java

@@ -9,6 +9,8 @@
 
 public class BatchDelete extends Batch<Delete, Void> {
 
+  private static final long serialVersionUID = -3749505015438921947L;
+
   public BatchDelete(List<Delete> deletes) {
     super(deletes);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchGet.java

@@ -9,6 +9,8 @@
 
 public class BatchGet extends Batch<Get, byte[]> {
 
+  private static final long serialVersionUID = -8713375648386293450L;
+
   public BatchGet(List<Get> gets) {
     super(gets);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchMultiDelete.java

@@ -9,6 +9,8 @@
 
 public class BatchMultiDelete extends Batch<MultiDelete, Void> {
 
+  private static final long serialVersionUID = 4692293597610231870L;
+
   public BatchMultiDelete(List<MultiDelete> multiDeletes) {
     super(multiDeletes);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchMultiGet.java

@@ -10,6 +10,8 @@
 
 public class BatchMultiGet extends Batch<MultiGet, MultiGetResult> {
 
+  private static final long serialVersionUID = -8398629822956682881L;
+
   public BatchMultiGet(List<MultiGet> multiGets) {
     super(multiGets);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchMultiSet.java

@@ -9,6 +9,8 @@
 
 public class BatchMultiSet extends Batch<MultiSet, Void> {
 
+  private static final long serialVersionUID = -7112478467009023481L;
+
   public BatchMultiSet(List<MultiSet> multiSets) {
     super(multiSets);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/BatchSet.java

@@ -9,6 +9,8 @@
 
 public class BatchSet extends Batch<Set, Void> {
 
+  private static final long serialVersionUID = 7339081203717442862L;
+
   public BatchSet(List<Set> sets) {
     super(sets);
   }

src/main/java/com/xiaomi/infra/pegasus/client/request/Delete.java

@@ -6,8 +6,11 @@
 import java.io.Serializable;
 
 public class Delete implements Serializable {
-  public final byte[] hashKey;
-  public final byte[] sortKey;
+
+  private static final long serialVersionUID = 7472471005807908575L;
+
+  public byte[] hashKey;
+  public byte[] sortKey;
 
   public Delete(byte[] hashKey) {
     this(hashKey, null);

src/main/java/com/xiaomi/infra/pegasus/client/request/Get.java

@@ -6,8 +6,11 @@
 import java.io.Serializable;
 
 public class Get implements Serializable {
-  public final byte[] hashKey;
-  public final byte[] sortKey;
+
+  private static final long serialVersionUID = 5022721155142508979L;
+
+  public byte[] hashKey;
+  public byte[] sortKey;
 
   public Get(byte[] hashKey) {
     this(hashKey, null);

src/main/java/com/xiaomi/infra/pegasus/client/request/MultiDelete.java

@@ -8,8 +8,11 @@
 import java.util.List;
 
 public class MultiDelete implements Serializable {
-  public final byte[] hashKey;
-  public final List<byte[]> sortKeys;
+
+  private static final long serialVersionUID = -9090489322713020570L;
+
+  public byte[] hashKey;
+  public List<byte[]> sortKeys;
 
   public MultiDelete(byte[] hashKey) {
     this(hashKey, new ArrayList<>());

src/main/java/com/xiaomi/infra/pegasus/client/request/MultiGet.java

@@ -8,8 +8,11 @@
 import java.util.List;
 
 public class MultiGet implements Serializable {
-  public final byte[] hashKey;
-  public final List<byte[]> sortKeys;
+
+  private static final long serialVersionUID = 2068964280456524026L;
+
+  public byte[] hashKey;
+  public List<byte[]> sortKeys;
 
   public MultiGet(byte[] hashKey) {
     this(hashKey, new ArrayList<>());

src/main/java/com/xiaomi/infra/pegasus/client/request/MultiSet.java

@@ -9,8 +9,11 @@
 import org.apache.commons.lang3.tuple.Pair;
 
 public class MultiSet implements Serializable {
-  public final byte[] hashKey;
-  public final List<Pair<byte[], byte[]>> values;
+
+  private static final long serialVersionUID = -2236077975122224688L;
+
+  public byte[] hashKey;
+  public List<Pair<byte[], byte[]>> values;
 
   public int ttlSeconds;
 

src/main/java/com/xiaomi/infra/pegasus/client/request/Set.java

@@ -6,9 +6,12 @@
 import java.io.Serializable;
 
 public class Set implements Serializable {
-  public final byte[] hashKey;
-  public final byte[] sortKey;
-  public final byte[] value;
+
+  private static final long serialVersionUID = -2136211461120973309L;
+
+  public byte[] hashKey;
+  public byte[] sortKey;
+  public byte[] value;
 
   public int ttlSeconds;