Revert "Added Conversation API in MLClient (#3475)"

This reverts commit 627980a.

Signed-off-by: Owais <owaiskazi19@gmail.com>

Author: owaiskazi19

client/build.gradle

@@ -16,7 +16,6 @@ plugins {
 dependencies {
     implementation project(path: ":${rootProject.name}-spi", configuration: 'shadow')
     implementation project(path: ":${rootProject.name}-common", configuration: 'shadow')
-    implementation project(path: ":${rootProject.name}-memory")
     compileOnly group: 'org.opensearch', name: 'opensearch', version: "${opensearch_version}"
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
     testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.15.2'

client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java

@@ -34,7 +34,6 @@
 import org.opensearch.ml.common.transport.register.MLRegisterModelInput;
 import org.opensearch.ml.common.transport.register.MLRegisterModelResponse;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsResponse;
-import org.opensearch.ml.memory.action.conversation.CreateConversationResponse;
 
 /**
  * A client to provide interfaces for machine learning jobs. This will be used by other plugins.
@@ -554,22 +553,4 @@ default void getConfig(String configId, ActionListener<MLConfig> listener) {
      * @param listener a listener to be notified of the result
      */
     void getConfig(String configId, String tenantId, ActionListener<MLConfig> listener);
-
-    /**
-     * Create conversational memory for conversation
-     * @param name name of the conversation, refer: https://opensearch.org/docs/latest/ml-commons-plugin/api/memory-apis/create-memory/
-     * @return the result future
-     */
-    default ActionFuture<CreateConversationResponse> createConversation(String name) {
-        PlainActionFuture<CreateConversationResponse> actionFuture = PlainActionFuture.newFuture();
-        createConversation(name, actionFuture);
-        return actionFuture;
-    }
-
-    /**
-     * Create conversational memory for conversation
-     * @param name name of the conversation, refer: https://opensearch.org/docs/latest/ml-commons-plugin/api/memory-apis/create-memory/
-     * @param listener action listener
-     */
-    void createConversation(String name, ActionListener<CreateConversationResponse> listener);
 }

client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java

@@ -88,9 +88,6 @@
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsAction;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsRequest;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsResponse;
-import org.opensearch.ml.memory.action.conversation.CreateConversationAction;
-import org.opensearch.ml.memory.action.conversation.CreateConversationRequest;
-import org.opensearch.ml.memory.action.conversation.CreateConversationResponse;
 import org.opensearch.transport.client.Client;
 
 import lombok.AccessLevel;
@@ -321,11 +318,6 @@ public void getConfig(String configId, String tenantId, ActionListener<MLConfig>
         client.execute(MLConfigGetAction.INSTANCE, mlConfigGetRequest, getMlGetConfigResponseActionListener(listener));
     }
 
-    public void createConversation(String name, ActionListener<CreateConversationResponse> listener) {
-        CreateConversationRequest createConversationRequest = new CreateConversationRequest(name);
-        client.execute(CreateConversationAction.INSTANCE, createConversationRequest, getCreateConversationResponseActionListener(listener));
-    }
-
     private ActionListener<MLToolsListResponse> getMlListToolsResponseActionListener(ActionListener<List<ToolMetadata>> listener) {
         ActionListener<MLToolsListResponse> internalListener = ActionListener.wrap(mlModelListResponse -> {
             listener.onResponse(mlModelListResponse.getToolMetadataList());
@@ -394,16 +386,6 @@ private ActionListener<MLRegisterModelResponse> getMLRegisterModelResponseAction
         return wrapActionListener(listener, MLRegisterModelResponse::fromActionResponse);
     }
 
-    private ActionListener<CreateConversationResponse> getCreateConversationResponseActionListener(
-        ActionListener<CreateConversationResponse> listener
-    ) {
-        ActionListener<CreateConversationResponse> actionListener = wrapActionListener(listener, response -> {
-            CreateConversationResponse conversationResponse = CreateConversationResponse.fromActionResponse(response);
-            return conversationResponse;
-        });
-        return actionListener;
-    }
-
     private <T extends ActionResponse> ActionListener<T> wrapActionListener(
         final ActionListener<T> listener,
         final Function<ActionResponse, T> recreate

client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java

@@ -49,6 +49,7 @@
 import org.opensearch.ml.common.output.MLOutput;
 import org.opensearch.ml.common.output.MLTrainingOutput;
 import org.opensearch.ml.common.transport.agent.MLRegisterAgentResponse;
+import org.opensearch.ml.common.transport.config.MLConfigGetResponse;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorInput;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorResponse;
 import org.opensearch.ml.common.transport.deploy.MLDeployModelResponse;
@@ -58,7 +59,6 @@
 import org.opensearch.ml.common.transport.register.MLRegisterModelInput;
 import org.opensearch.ml.common.transport.register.MLRegisterModelResponse;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsResponse;
-import org.opensearch.ml.memory.action.conversation.CreateConversationResponse;
 
 public class MachineLearningClientTest {
 
@@ -107,7 +107,7 @@ public class MachineLearningClientTest {
     MLRegisterAgentResponse registerAgentResponse;
 
     @Mock
-    CreateConversationResponse createConversationResponse;
+    MLConfigGetResponse configGetResponse;
 
     private final String modekId = "test_model_id";
     private MLModel mlModel;
@@ -256,11 +256,6 @@ public void deleteAgent(String agentId, String tenantId, ActionListener<DeleteRe
             public void getConfig(String configId, String tenantId, ActionListener<MLConfig> listener) {
                 listener.onResponse(mlConfig);
             }
-
-            @Override
-            public void createConversation(String name, ActionListener<CreateConversationResponse> listener) {
-                listener.onResponse(createConversationResponse);
-            }
         };
     }
 
@@ -559,9 +554,4 @@ public void listTools() {
     public void getConfig() {
         assertEquals(mlConfig, machineLearningClient.getConfig("configId").actionGet());
     }
-
-    @Test
-    public void createConversation() {
-        assertEquals(createConversationResponse, machineLearningClient.createConversation("Conversation for a RAG pipeline").actionGet());
-    }
 }

client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java

@@ -140,9 +140,6 @@
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsAction;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsRequest;
 import org.opensearch.ml.common.transport.undeploy.MLUndeployModelsResponse;
-import org.opensearch.ml.memory.action.conversation.CreateConversationAction;
-import org.opensearch.ml.memory.action.conversation.CreateConversationRequest;
-import org.opensearch.ml.memory.action.conversation.CreateConversationResponse;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
 import org.opensearch.search.aggregations.InternalAggregations;
@@ -222,9 +219,6 @@ public class MachineLearningNodeClientTest {
     @Mock
     ActionListener<MLConfig> getMlConfigListener;
 
-    @Mock
-    ActionListener<CreateConversationResponse> createConversationResponseActionListener;
-
     @InjectMocks
     MachineLearningNodeClient machineLearningNodeClient;
 
@@ -1461,25 +1455,6 @@ public void onFailure(Exception e) {
         verify(client).execute(eq(MLTaskDeleteAction.INSTANCE), isA(MLTaskDeleteRequest.class), any());
     }
 
-    public void createConversation() {
-        String name = "Conversation for a RAG pipeline";
-        String conversationId = "conversationId";
-
-        doAnswer(invocation -> {
-            ActionListener<CreateConversationResponse> actionListener = invocation.getArgument(2);
-            CreateConversationResponse output = new CreateConversationResponse(conversationId);
-            actionListener.onResponse(output);
-            return null;
-        }).when(client).execute(eq(CreateConversationAction.INSTANCE), any(), any());
-
-        ArgumentCaptor<CreateConversationResponse> argumentCaptor = ArgumentCaptor.forClass(CreateConversationResponse.class);
-        machineLearningNodeClient.createConversation(name, createConversationResponseActionListener);
-
-        verify(client).execute(eq(CreateConversationAction.INSTANCE), isA(CreateConversationRequest.class), any());
-        verify(createConversationResponseActionListener).onResponse(argumentCaptor.capture());
-        assertEquals(conversationId, argumentCaptor.getValue().getId());
-    }
-
     private SearchResponse createSearchResponse(ToXContentObject o) throws IOException {
         XContentBuilder content = o.toXContent(XContentFactory.jsonBuilder(), ToXContent.EMPTY_PARAMS);
 

memory/src/main/java/org/opensearch/ml/memory/action/conversation/CreateConversationResponse.java

@@ -17,21 +17,15 @@
  */
 package org.opensearch.ml.memory.action.conversation;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.UncheckedIOException;
 
 import org.opensearch.core.action.ActionResponse;
-import org.opensearch.core.common.io.stream.InputStreamStreamInput;
-import org.opensearch.core.common.io.stream.OutputStreamStreamOutput;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
 import org.opensearch.core.xcontent.ToXContent;
 import org.opensearch.core.xcontent.ToXContentObject;
 import org.opensearch.core.xcontent.XContentBuilder;
 import org.opensearch.ml.common.conversation.ActionConstants;
-import org.opensearch.ml.common.transport.connector.MLCreateConnectorResponse;
 
 import lombok.AllArgsConstructor;
 
@@ -73,20 +67,4 @@ public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params par
         return builder;
     }
 
-    public static CreateConversationResponse fromActionResponse(ActionResponse actionResponse) {
-        if (actionResponse instanceof MLCreateConnectorResponse) {
-            return (CreateConversationResponse) actionResponse;
-        }
-
-        try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStreamStreamOutput osso = new OutputStreamStreamOutput(baos)) {
-            actionResponse.writeTo(osso);
-            try (StreamInput input = new InputStreamStreamInput(new ByteArrayInputStream(baos.toByteArray()))) {
-                return new CreateConversationResponse(input);
-            }
-        } catch (IOException e) {
-            throw new UncheckedIOException("failed to parse ActionResponse into CreateConversationResponse", e);
-        }
-
-    }
-
 }

memory/src/test/java/org/opensearch/ml/memory/action/conversation/CreateConversationResponseTests.java

@@ -17,16 +17,10 @@
  */
 package org.opensearch.ml.memory.action.conversation;
 
-import static org.junit.Assert.assertEquals;
-
 import java.io.IOException;
-import java.io.UncheckedIOException;
 
-import org.junit.Before;
-import org.junit.Test;
 import org.opensearch.common.io.stream.BytesStreamOutput;
 import org.opensearch.common.xcontent.XContentType;
-import org.opensearch.core.action.ActionResponse;
 import org.opensearch.core.common.bytes.BytesReference;
 import org.opensearch.core.common.io.stream.BytesStreamInput;
 import org.opensearch.core.common.io.stream.OutputStreamStreamOutput;
@@ -38,13 +32,6 @@
 
 public class CreateConversationResponseTests extends OpenSearchTestCase {
 
-    CreateConversationResponse response;
-
-    @Before
-    public void setup() {
-        response = new CreateConversationResponse("test-id");
-    }
-
     public void testCreateConversationResponseStreaming() throws IOException {
         CreateConversationResponse response = new CreateConversationResponse("test-id");
         assert (response.getId().equals("test-id"));
@@ -64,34 +51,4 @@ public void testToXContent() throws IOException {
         String result = BytesReference.bytes(builder).utf8ToString();
         assert (result.equals(expected));
     }
-
-    @Test
-    public void fromActionResponseWithCreateConversationResponseSuccess() {
-        CreateConversationResponse responseFromActionResponse = CreateConversationResponse.fromActionResponse(response);
-        assertEquals(response.getId(), responseFromActionResponse.getId());
-    }
-
-    @Test
-    public void fromActionResponseSuccess() {
-        ActionResponse actionResponse = new ActionResponse() {
-            @Override
-            public void writeTo(StreamOutput out) throws IOException {
-                response.writeTo(out);
-            }
-        };
-        CreateConversationResponse responseFromActionResponse = CreateConversationResponse.fromActionResponse(actionResponse);
-        assertNotSame(response, responseFromActionResponse);
-        assertEquals(response.getId(), responseFromActionResponse.getId());
-    }
-
-    @Test(expected = UncheckedIOException.class)
-    public void fromActionResponseIOException() {
-        ActionResponse actionResponse = new ActionResponse() {
-            @Override
-            public void writeTo(StreamOutput out) throws IOException {
-                throw new IOException();
-            }
-        };
-        CreateConversationResponse.fromActionResponse(actionResponse);
-    }
 }