Changing ReplicationPluginInterface to static object

Signed-off-by: aggarwalShivani <shivani.aggarwal@nokia.com>

Author: aggarwalShivani

src/main/kotlin/org/opensearch/commons/replication/ReplicationPluginInterface.kt

@@ -5,19 +5,19 @@
 package org.opensearch.commons.replication
 
 import org.opensearch.action.support.clustermanager.AcknowledgedResponse
-import org.opensearch.transport.client.Client
-import org.opensearch.transport.client.node.NodeClient
 import org.opensearch.commons.replication.action.ReplicationActions.INTERNAL_STOP_REPLICATION_ACTION_TYPE
 import org.opensearch.commons.replication.action.StopIndexReplicationRequest
 import org.opensearch.commons.utils.recreateObject
 import org.opensearch.core.action.ActionListener
 import org.opensearch.core.action.ActionResponse
 import org.opensearch.core.common.io.stream.Writeable
+import org.opensearch.transport.client.Client
+import org.opensearch.transport.client.node.NodeClient
 
 /**
  * Transport action plugin interfaces for the cross-cluster-replication plugin.
  */
-open class ReplicationPluginInterface {
+object ReplicationPluginInterface {
 
     /**
      * Stop replication.
@@ -26,7 +26,7 @@ open class ReplicationPluginInterface {
      * @param listener The listener for getting response
      */
 
-    open fun stopReplication(
+    fun stopReplication(
         client: Client,
         request: StopIndexReplicationRequest,
         listener: ActionListener<AcknowledgedResponse>

src/test/kotlin/org/opensearch/commons/replication/ReplicationPluginInterfaceTests.kt

@@ -13,10 +13,10 @@ import org.mockito.Mockito.mock
 import org.mockito.Mockito.verify
 import org.mockito.junit.jupiter.MockitoExtension
 import org.opensearch.action.support.clustermanager.AcknowledgedResponse
-import org.opensearch.transport.client.node.NodeClient
 import org.opensearch.commons.replication.action.StopIndexReplicationRequest
 import org.opensearch.core.action.ActionListener
 import org.opensearch.core.action.ActionResponse
+import org.opensearch.transport.client.node.NodeClient
 
 @ExtendWith(MockitoExtension::class)
 internal class ReplicationPluginInterfaceTests {
@@ -36,9 +36,8 @@ internal class ReplicationPluginInterfaceTests {
                 actionListener.onResponse(acknowledgedResponse) // Simulate success
             }
 
-        val replicationPluginInterface = ReplicationPluginInterface()
         // Call method under test
-        replicationPluginInterface.stopReplication(client, request, listener)
+        ReplicationPluginInterface.stopReplication(client, request, listener)
         // Verify that listener.onResponse is called with the correct response
         verify(listener).onResponse(acknowledgedResponse)
     }
@@ -58,9 +57,8 @@ internal class ReplicationPluginInterfaceTests {
                 actionListener.onFailure(exception) // Simulate failure
             }
 
-        val replicationPluginInterface = ReplicationPluginInterface()
         // Call method under test
-        replicationPluginInterface.stopReplication(client, request, listener)
+        ReplicationPluginInterface.stopReplication(client, request, listener)
         // Verify that listener.onResponse is called with the correct response
         verify(listener).onFailure(exception)
     }