[ML] Remove tasktype any from supportedStreamingTasks

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/action/BaseTransportInferenceAction.java

@@ -300,7 +300,7 @@ private void recordMetrics(Model model, InferenceTimer timer, @Nullable Throwabl
     }
 
     private void inferOnService(Model model, Request request, InferenceService service, ActionListener<InferenceServiceResults> listener) {
-        if (request.isStreaming() == false || service.canStream(request.getTaskType())) {
+        if (request.isStreaming() == false || service.canStream(model.getTaskType())) {
             doInference(model, request, service, listener);
         } else {
             listener.onFailure(unsupportedStreamingTaskException(request, service));

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/anthropic/AnthropicResponseHandler.java

@@ -44,16 +44,8 @@ public class AnthropicResponseHandler extends BaseResponseHandler {
 
     static final String SERVER_BUSY = "Received an Anthropic server is temporarily overloaded status code";
 
-    private final boolean canHandleStreamingResponses;
-
     public AnthropicResponseHandler(String requestType, ResponseParser parseFunction, boolean canHandleStreamingResponses) {
-        super(requestType, parseFunction, ErrorMessageResponseEntity::fromResponse);
-        this.canHandleStreamingResponses = canHandleStreamingResponses;
-    }
-
-    @Override
-    public boolean canHandleStreamingResponses() {
-        return canHandleStreamingResponses;
+        super(requestType, parseFunction, ErrorMessageResponseEntity::fromResponse, canHandleStreamingResponses);
     }
 
     @Override

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/cohere/CohereResponseHandler.java

@@ -34,16 +34,9 @@
 public class CohereResponseHandler extends BaseResponseHandler {
     static final String TEXTS_ARRAY_TOO_LARGE_MESSAGE_MATCHER = "invalid request: total number of texts must be at most";
     static final String TEXTS_ARRAY_ERROR_MESSAGE = "Received a texts array too large response";
-    private final boolean canHandleStreamingResponse;
 
     public CohereResponseHandler(String requestType, ResponseParser parseFunction, boolean canHandleStreamingResponse) {
-        super(requestType, parseFunction, CohereErrorResponseEntity::fromResponse);
-        this.canHandleStreamingResponse = canHandleStreamingResponse;
-    }
-
-    @Override
-    public boolean canHandleStreamingResponses() {
-        return canHandleStreamingResponse;
+        super(requestType, parseFunction, CohereErrorResponseEntity::fromResponse, canHandleStreamingResponse);
     }
 
     @Override

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/elastic/ElasticInferenceServiceResponseHandler.java

@@ -21,6 +21,10 @@ public ElasticInferenceServiceResponseHandler(String requestType, ResponseParser
         super(requestType, parseFunction, ElasticInferenceServiceErrorResponseEntity::fromResponse);
     }
 
+    public ElasticInferenceServiceResponseHandler(String requestType, ResponseParser parseFunction, boolean canHandleStreamingResponses) {
+        super(requestType, parseFunction, ElasticInferenceServiceErrorResponseEntity::fromResponse, canHandleStreamingResponses);
+    }
+
     @Override
     protected void checkForFailureStatusCode(Request request, HttpResult result) throws RetryException {
         if (result.isSuccessfulResponse()) {

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/elastic/ElasticInferenceServiceUnifiedChatCompletionResponseHandler.java

@@ -20,12 +20,7 @@
 
 public class ElasticInferenceServiceUnifiedChatCompletionResponseHandler extends ElasticInferenceServiceResponseHandler {
     public ElasticInferenceServiceUnifiedChatCompletionResponseHandler(String requestType, ResponseParser parseFunction) {
-        super(requestType, parseFunction);
-    }
-
-    @Override
-    public boolean canHandleStreamingResponses() {
-        return true;
+        super(requestType, parseFunction, true);
     }
 
     @Override

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/googleaistudio/GoogleAiStudioResponseHandler.java

@@ -28,7 +28,6 @@
 public class GoogleAiStudioResponseHandler extends BaseResponseHandler {
 
     static final String GOOGLE_AI_STUDIO_UNAVAILABLE = "The Google AI Studio service may be temporarily overloaded or down";
-    private final boolean canHandleStreamingResponses;
     private final CheckedFunction<XContentParser, String, IOException> content;
 
     public GoogleAiStudioResponseHandler(String requestType, ResponseParser parseFunction) {
@@ -44,8 +43,7 @@ public GoogleAiStudioResponseHandler(
         boolean canHandleStreamingResponses,
         CheckedFunction<XContentParser, String, IOException> content
     ) {
-        super(requestType, parseFunction, GoogleAiStudioErrorResponseEntity::fromResponse);
-        this.canHandleStreamingResponses = canHandleStreamingResponses;
+        super(requestType, parseFunction, GoogleAiStudioErrorResponseEntity::fromResponse, canHandleStreamingResponses);
         this.content = content;
     }
 
@@ -88,11 +86,6 @@ private static String resourceNotFoundError(Request request) {
         return format("Resource not found at [%s]", request.getURI());
     }
 
-    @Override
-    public boolean canHandleStreamingResponses() {
-        return canHandleStreamingResponses;
-    }
-
     @Override
     public InferenceServiceResults parseResult(Request request, Flow.Publisher<HttpResult> flow) {
         var serverSentEventProcessor = new ServerSentEventProcessor(new ServerSentEventParser());

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/http/retry/BaseResponseHandler.java

@@ -38,11 +38,27 @@ public abstract class BaseResponseHandler implements ResponseHandler {
     protected final String requestType;
     private final ResponseParser parseFunction;
     private final Function<HttpResult, ErrorResponse> errorParseFunction;
+    private final boolean canHandleStreamingResponses;
 
     public BaseResponseHandler(String requestType, ResponseParser parseFunction, Function<HttpResult, ErrorResponse> errorParseFunction) {
+        this(requestType, parseFunction, errorParseFunction, false);
+    }
+
+    public BaseResponseHandler(
+        String requestType,
+        ResponseParser parseFunction,
+        Function<HttpResult, ErrorResponse> errorParseFunction,
+        boolean canHandleStreamingResponses
+    ) {
         this.requestType = Objects.requireNonNull(requestType);
         this.parseFunction = Objects.requireNonNull(parseFunction);
         this.errorParseFunction = Objects.requireNonNull(errorParseFunction);
+        this.canHandleStreamingResponses = canHandleStreamingResponses;
+    }
+
+    @Override
+    public boolean canHandleStreamingResponses() {
+        return canHandleStreamingResponses;
     }
 
     @Override

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/http/retry/ResponseHandler.java

@@ -52,11 +52,8 @@ public interface ResponseHandler {
 
     /**
      * Returns {@code true} if the response handler can handle streaming results, or {@code false} if can only parse the entire payload.
-     * Defaults to {@code false}.
      */
-    default boolean canHandleStreamingResponses() {
-        return false;
-    }
+    boolean canHandleStreamingResponses();
 
     /**
      * A method for parsing the streamed response from the server. Implementations must invoke the

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/openai/OpenAiResponseHandler.java

@@ -41,11 +41,8 @@ public class OpenAiResponseHandler extends BaseResponseHandler {
 
     static final String OPENAI_SERVER_BUSY = "Received a server busy error status code";
 
-    private final boolean canHandleStreamingResponses;
-
     public OpenAiResponseHandler(String requestType, ResponseParser parseFunction, boolean canHandleStreamingResponses) {
-        super(requestType, parseFunction, ErrorMessageResponseEntity::fromResponse);
-        this.canHandleStreamingResponses = canHandleStreamingResponses;
+        super(requestType, parseFunction, ErrorMessageResponseEntity::fromResponse, canHandleStreamingResponses);
     }
 
     /**
@@ -121,11 +118,6 @@ static String buildRateLimitErrorMessage(HttpResult result) {
         return RATE_LIMIT + ". " + usageMessage;
     }
 
-    @Override
-    public boolean canHandleStreamingResponses() {
-        return canHandleStreamingResponses;
-    }
-
     @Override
     public InferenceServiceResults parseResult(Request request, Flow.Publisher<HttpResult> flow) {
         var serverSentEventProcessor = new ServerSentEventProcessor(new ServerSentEventParser());

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/response/amazonbedrock/AmazonBedrockResponseHandler.java

@@ -15,6 +15,12 @@
 import org.elasticsearch.xpack.inference.logging.ThrottlerManager;
 
 public abstract class AmazonBedrockResponseHandler implements ResponseHandler {
+
+    @Override
+    public boolean canHandleStreamingResponses() {
+        return false;
+    }
+
     @Override
     public final void validateResponse(ThrottlerManager throttlerManager, Logger logger, Request request, HttpResult result)
         throws RetryException {

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/SenderService.java

@@ -37,7 +37,7 @@
 import java.util.Set;
 
 public abstract class SenderService implements InferenceService {
-    protected static final Set<TaskType> COMPLETION_ONLY = EnumSet.of(TaskType.COMPLETION, TaskType.ANY);
+    protected static final Set<TaskType> COMPLETION_ONLY = EnumSet.of(TaskType.COMPLETION);
     private final Sender sender;
     private final ServiceComponents serviceComponents;
 

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/elastic/ElasticInferenceService.java

@@ -248,10 +248,6 @@ public synchronized Set<TaskType> supportedStreamingTasks() {
         var authorizedStreamingTaskTypes = EnumSet.of(TaskType.CHAT_COMPLETION);
         authorizedStreamingTaskTypes.retainAll(authRef.get().taskTypesAndModels.getAuthorizedTaskTypes());
 
-        if (authorizedStreamingTaskTypes.isEmpty() == false) {
-            authorizedStreamingTaskTypes.add(TaskType.ANY);
-        }
-
         return authorizedStreamingTaskTypes;
     }
 

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/openai/OpenAiService.java

@@ -376,7 +376,7 @@ public TransportVersion getMinimalSupportedVersion() {
 
     @Override
     public Set<TaskType> supportedStreamingTasks() {
-        return EnumSet.of(TaskType.COMPLETION, TaskType.CHAT_COMPLETION, TaskType.ANY);
+        return EnumSet.of(TaskType.COMPLETION, TaskType.CHAT_COMPLETION);
     }
 
     /**

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/http/retry/AlwaysRetryingResponseHandler.java → x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/external/http/retry/AlwaysRetryingResponseHandler.java

@@ -58,4 +58,8 @@ public InferenceServiceResults parseResult(Request request, HttpResult result) t
         }
     }
 
+    @Override
+    public boolean canHandleStreamingResponses() {
+        return false;
+    }
 }

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/external/http/retry/RetryingHttpSenderTests.java

@@ -654,6 +654,11 @@ public InferenceServiceResults parseResult(Request request, HttpResult result) t
             public String getRequestType() {
                 return "foo";
             }
+
+            @Override
+            public boolean canHandleStreamingResponses() {
+                return false;
+            }
         };
     }
 }

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/amazonbedrock/AmazonBedrockServiceTests.java

@@ -57,6 +57,7 @@
 import org.junit.Before;
 
 import java.io.IOException;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1381,8 +1382,8 @@ public void testInfer_UnauthorizedResponse() throws IOException {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new AmazonBedrockService(mock(), mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/anthropic/AnthropicServiceTests.java

@@ -47,6 +47,7 @@
 import org.junit.Before;
 
 import java.io.IOException;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -655,8 +656,8 @@ public void testGetConfiguration() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new AnthropicService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/azureaistudio/AzureAiStudioServiceTests.java

@@ -61,6 +61,7 @@
 
 import java.io.IOException;
 import java.net.URISyntaxException;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1471,8 +1472,8 @@ public void testGetConfiguration() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new AzureAiStudioService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/azureopenai/AzureOpenAiServiceTests.java

@@ -54,6 +54,7 @@
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1548,8 +1549,8 @@ public void testGetConfiguration() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new AzureOpenAiService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/cohere/CohereServiceTests.java

@@ -58,6 +58,7 @@
 import org.junit.Before;
 
 import java.io.IOException;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1686,8 +1687,8 @@ public void testGetConfiguration() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new CohereService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/elastic/ElasticInferenceServiceTests.java

@@ -795,7 +795,8 @@ public void testSupportedStreamingTasks_ReturnsChatCompletion_WhenAuthRespondsWi
         var senderFactory = HttpRequestSenderTests.createSenderFactory(threadPool, clientManager);
         try (var service = createServiceWithAuthHandler(senderFactory, getUrl(webServer))) {
             service.waitForAuthorizationToComplete(TIMEOUT);
-            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.CHAT_COMPLETION, TaskType.ANY)));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.CHAT_COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
             assertTrue(service.defaultConfigIds().isEmpty());
 
             PlainActionFuture<List<Model>> listener = new PlainActionFuture<>();
@@ -932,7 +933,8 @@ public void testDefaultConfigs_Returns_DefaultChatCompletion_V1_WhenTaskTypeIsCo
         var senderFactory = HttpRequestSenderTests.createSenderFactory(threadPool, clientManager);
         try (var service = createServiceWithAuthHandler(senderFactory, getUrl(webServer))) {
             service.waitForAuthorizationToComplete(TIMEOUT);
-            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.CHAT_COMPLETION, TaskType.ANY)));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.CHAT_COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
             assertThat(
                 service.defaultConfigIds(),
                 is(

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/googleaistudio/GoogleAiStudioServiceTests.java

@@ -54,6 +54,7 @@
 
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1174,8 +1175,8 @@ public void testGetConfiguration() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new GoogleAiStudioService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }
 

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/openai/OpenAiServiceTests.java

@@ -56,6 +56,7 @@
 
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -1133,8 +1134,8 @@ public void testInfer_StreamRequest_ErrorResponse() throws Exception {
 
     public void testSupportsStreaming() throws IOException {
         try (var service = new OpenAiService(mock(), createWithEmptySettings(mock()))) {
-            assertTrue(service.canStream(TaskType.COMPLETION));
-            assertTrue(service.canStream(TaskType.ANY));
+            assertThat(service.supportedStreamingTasks(), is(EnumSet.of(TaskType.COMPLETION, TaskType.CHAT_COMPLETION)));
+            assertFalse(service.canStream(TaskType.ANY));
         }
     }