[SCB-2596]retry add retryOnSame property
diff --git a/governance/src/main/java/org/apache/servicecomb/governance/policy/RetryPolicy.java b/governance/src/main/java/org/apache/servicecomb/governance/policy/RetryPolicy.java
index a4b786b..ce534ae 100644
--- a/governance/src/main/java/org/apache/servicecomb/governance/policy/RetryPolicy.java
+++ b/governance/src/main/java/org/apache/servicecomb/governance/policy/RetryPolicy.java
@@ -60,8 +60,13 @@
   // randomization factor for backoff retry
   private double randomizationFactor = RANDOMIZATION_FACTOR;
 
+  // if throw an MaxRetriesExceededException if retry condition is based on result
   private boolean failAfterMaxAttempts = false;
 
+  // if retry on the same instance. This property is not directly used in
+  // RetryHandler, but used for loadbalancers
+  private int retryOnSame = 0;
+
   public List<String> getRetryOnResponseStatus() {
     if (CollectionUtils.isEmpty(retryOnResponseStatus)) {
       this.retryOnResponseStatus.add(DEFAULT_RETRY_ON_RESPONSE_STATUS);
@@ -128,9 +133,16 @@
     return failAfterMaxAttempts;
   }
 
-  public RetryPolicy setFailAfterMaxAttempts(boolean failAfterMaxAttempts) {
+  public void setFailAfterMaxAttempts(boolean failAfterMaxAttempts) {
     this.failAfterMaxAttempts = failAfterMaxAttempts;
-    return this;
+  }
+
+  public int getRetryOnSame() {
+    return retryOnSame;
+  }
+
+  public void setRetryOnSame(int retryOnSame) {
+    this.retryOnSame = retryOnSame;
   }
 
   @Override
diff --git a/governance/src/test/java/org/apache/servicecomb/governance/CircuitBreakerHandlerTest.java b/governance/src/test/java/org/apache/servicecomb/governance/RetryHandlerTest.java
similarity index 98%
rename from governance/src/test/java/org/apache/servicecomb/governance/CircuitBreakerHandlerTest.java
rename to governance/src/test/java/org/apache/servicecomb/governance/RetryHandlerTest.java
index 80c4e61..c33cfb6 100644
--- a/governance/src/test/java/org/apache/servicecomb/governance/CircuitBreakerHandlerTest.java
+++ b/governance/src/test/java/org/apache/servicecomb/governance/RetryHandlerTest.java
@@ -28,7 +28,7 @@
 import io.github.resilience4j.retry.MaxRetriesExceededException;
 import io.github.resilience4j.retry.Retry;
 
-public class CircuitBreakerHandlerTest {
+public class RetryHandlerTest {
   @Test
   public void testNotFailAfterMaxAttemptsWhenThrow() {
     RetryExtension retryExtension = Mockito.mock(RetryExtension.class);