rename relay interface

Author: vintagewang

code/messaging-user-level-api/java/src/main/java/io/openmessaging/ServiceEndPoint.java

@@ -69,7 +69,7 @@ public interface ServiceEndPoint extends ServiceLifecycle {
      * @param <T> service proxy object to bind
      * @return service proxy object to bind
      */
-    <T> T bind(Class<T> type, KeyValue properties, ServiceLoadBalance serviceLoadBalance);
+    <T> T bind(Class<T> type, KeyValue properties, ServiceLoadBalanceStrategy serviceLoadBalance);
 
     InvokeContext invokeContext();
 }

code/messaging-user-level-api/java/src/main/java/io/openmessaging/ServiceProperties.java renamed to code/messaging-user-level-api/java/src/main/java/io/openmessaging/ServiceInstance.java

@@ -22,16 +22,6 @@
  * @version OMS 1.0
  * @since OMS 1.0
  */
-public interface ServiceProperties {
-    String id();
-
-    void id(String id);
-
-    String relayAddress();
-
-    void relayAddress(String address);
-
+public interface ServiceInstance {
     String providerId();
-
-    void providerId(String id);
 }

code/messaging-user-level-api/java/src/main/java/io/openmessaging/ServiceLoadBalance.java renamed to code/messaging-user-level-api/java/src/main/java/io/openmessaging/ServiceLoadBalanceStrategy.java

@@ -24,15 +24,15 @@
  * @version OMS 1.0
  * @since OMS 1.0
  */
-public interface ServiceLoadBalance {
+public interface ServiceLoadBalanceStrategy {
     /**
      * Select a collection of eligible providerServicePoint object from the the list of providerServicePoint provided
      * According to different selection strategies to select providerServicePoint that satisfied with application needs,
      * such as RoundRobin or Random etc.
      *
-     * @param servicePropertiesList providerServicePoint to choose from.
+     * @param serviceInstanceList providerServicePoint to choose from.
      * @return a collection of eligible providerServicePoint object
      */
-    Set<ServiceProperties> select(Set<ServiceProperties> servicePropertiesList);
+    Set<ServiceInstance> select(Set<ServiceInstance> serviceInstanceList);
 
 }