Adding @Deprecated annotation when API is marked as deprecated

codegen/src/main/java/software/amazon/awssdk/codegen/AddOperations.java

@@ -155,6 +155,7 @@ public Map<String, OperationModel> constructOperations() {
 
             operationModel.setOperationName(operationName);
             operationModel.setDeprecated(op.isDeprecated());
+            operationModel.setDeprecatedMessage(op.getDeprecatedMessage());
             operationModel.setDocumentation(op.getDocumentation());
             operationModel.setIsAuthenticated(isAuthenticated(op));
             operationModel.setAuthType(op.getAuthtype());

codegen/src/main/java/software/amazon/awssdk/codegen/model/intermediate/OperationModel.java

@@ -32,6 +32,8 @@ public class OperationModel extends DocumentationModel {
 
     private boolean deprecated;
 
+    private String deprecatedMessage;
+
     private VariableModel input;
 
     private ReturnTypeModel returnType;
@@ -84,6 +86,14 @@ public void setDeprecated(boolean deprecated) {
         this.deprecated = deprecated;
     }
 
+    public String getDeprecatedMessage() {
+        return deprecatedMessage;
+    }
+
+    public void setDeprecatedMessage(String deprecatedMessage) {
+        this.deprecatedMessage = deprecatedMessage;
+    }
+
     public String getDocs(IntermediateModel model,
                           ClientType clientType) {
         return OperationDocs.getDocs(model, this, clientType);

codegen/src/main/java/software/amazon/awssdk/codegen/model/service/Operation.java

@@ -24,6 +24,8 @@ public class Operation {
 
     private boolean deprecated;
 
+    private String deprecatedMessage;
+
     private Http http;
 
     private Input input;
@@ -67,6 +69,14 @@ public void setDeprecated(boolean deprecated) {
         this.deprecated = deprecated;
     }
 
+    public String getDeprecatedMessage() {
+        return deprecatedMessage;
+    }
+
+    public void setDeprecatedMessage(String deprecatedMessage) {
+        this.deprecatedMessage = deprecatedMessage;
+    }
+
     public Http getHttp() {
         return http;
     }

codegen/src/main/java/software/amazon/awssdk/codegen/poet/client/AsyncClientInterface.java

@@ -46,6 +46,7 @@
 import software.amazon.awssdk.codegen.poet.PoetExtensions;
 import software.amazon.awssdk.codegen.poet.PoetUtils;
 import software.amazon.awssdk.codegen.poet.eventstream.EventStreamUtils;
+import software.amazon.awssdk.codegen.poet.model.DeprecationUtils;
 import software.amazon.awssdk.codegen.utils.PaginatorUtils;
 import software.amazon.awssdk.core.SdkClient;
 import software.amazon.awssdk.core.async.AsyncRequestBody;
@@ -179,7 +180,9 @@ private Stream<MethodSpec> operationsAndSimpleMethods(OperationModel operationMo
         methods.addAll(traditionalMethods(operationModel));
         methods.addAll(overloadMethods(operationModel));
         methods.addAll(paginatedMethods(operationModel));
-        return methods.stream();
+        return methods.stream()
+                      // Add Deprecated annotation if needed to all overloads
+                      .map(m -> DeprecationUtils.checkDeprecated(operationModel, m));
     }
 
     private List<MethodSpec> paginatedMethods(OperationModel opModel) {
@@ -406,7 +409,7 @@ private MethodSpec.Builder methodSignatureWithReturnType(OperationModel opModel)
      */
     private MethodSpec.Builder interfaceMethodSignature(OperationModel opModel) {
         return methodSignatureWithReturnType(opModel)
-                .addModifiers(Modifier.PUBLIC, Modifier.DEFAULT);
+            .addModifiers(Modifier.PUBLIC, Modifier.DEFAULT);
     }
 
     /**

codegen/src/main/java/software/amazon/awssdk/codegen/poet/client/ClientClassUtils.java

@@ -64,6 +64,7 @@ static MethodSpec consumerBuilderVariant(MethodSpec spec, String javadoc) {
         MethodSpec.Builder result = MethodSpec.methodBuilder(spec.name)
                                               .returns(spec.returnType)
                                               .addExceptions(spec.exceptions)
+                                              .addAnnotations(spec.annotations)
                                               .addJavadoc(javadoc)
                                               .addModifiers(Modifier.PUBLIC, Modifier.DEFAULT)
                                               .addTypeVariables(spec.typeVariables)

codegen/src/main/java/software/amazon/awssdk/codegen/poet/client/SyncClientInterface.java

@@ -48,6 +48,7 @@
 import software.amazon.awssdk.codegen.poet.ClassSpec;
 import software.amazon.awssdk.codegen.poet.PoetExtensions;
 import software.amazon.awssdk.codegen.poet.PoetUtils;
+import software.amazon.awssdk.codegen.poet.model.DeprecationUtils;
 import software.amazon.awssdk.codegen.utils.PaginatorUtils;
 import software.amazon.awssdk.core.ResponseBytes;
 import software.amazon.awssdk.core.ResponseInputStream;
@@ -176,7 +177,10 @@ private List<MethodSpec> operationMethodSpec(OperationModel opModel) {
         methods.addAll(streamingSimpleMethods(opModel));
         methods.addAll(paginatedMethods(opModel));
 
-        return methods;
+        return methods.stream()
+                      // Add Deprecated annotation if needed to all overloads
+                      .map(m -> DeprecationUtils.checkDeprecated(opModel, m))
+                      .collect(toList());
     }
 
     private MethodSpec simpleMethod(OperationModel opModel) {

codegen/src/main/java/software/amazon/awssdk/codegen/poet/model/DeprecationUtils.java

@@ -22,6 +22,7 @@
 import com.squareup.javapoet.MethodSpec;
 import java.util.List;
 import software.amazon.awssdk.codegen.model.intermediate.MemberModel;
+import software.amazon.awssdk.codegen.model.intermediate.OperationModel;
 import software.amazon.awssdk.utils.StringUtils;
 
 public final class DeprecationUtils {
@@ -49,6 +50,24 @@ public static MethodSpec checkDeprecated(MemberModel member, MethodSpec method)
         return builder.build();
     }
 
+    /**
+     * If a given operation is modeled as deprecated, add the {@link Deprecated} annotation to the method and, if the method
+     * already has existing Javadoc, append a section with the {@code @deprecated} tag.
+     */
+    public static MethodSpec checkDeprecated(OperationModel operation, MethodSpec method) {
+        if (!operation.isDeprecated() || method.annotations.contains(DEPRECATED)) {
+            return method;
+        }
+        MethodSpec.Builder builder = method.toBuilder().addAnnotation(DEPRECATED);
+        if (!method.javadoc.isEmpty()) {
+            builder.addJavadoc(LF + "@deprecated");
+            if (StringUtils.isNotBlank(operation.getDeprecatedMessage())) {
+                builder.addJavadoc(" $L", operation.getDeprecatedMessage());
+            }
+        }
+        return builder.build();
+    }
+
     public static List<MethodSpec> checkDeprecated(MemberModel member, List<MethodSpec> methods) {
         return methods.stream().map(methodSpec -> checkDeprecated(member, methodSpec)).collect(toList());
     }

codegen/src/test/resources/software/amazon/awssdk/codegen/poet/client/c2j/rest-json/service-2.json

@@ -39,6 +39,8 @@
           "shape": "InvalidInputException"
         }
       ],
+      "deprecated": true,
+      "deprecatedMessage": "This API is deprecated, use something else",
       "documentation": "<p>Performs a post operation to the query service and has no output</p>"
     },
     "GetWithoutRequiredMembers": {

codegen/src/test/resources/software/amazon/awssdk/codegen/poet/client/test-json-async-client-interface.java

@@ -95,7 +95,10 @@ static JsonAsyncClientBuilder builder() {
      * @sample JsonAsyncClient.APostOperation
      * @see <a href="https://docs.aws.amazon.com/goto/WebAPI/json-service-2010-05-08/APostOperation" target="_top">AWS
      *      API Documentation</a>
+     *
+     * @deprecated This API is deprecated, use something else
      */
+    @Deprecated
     default CompletableFuture<APostOperationResponse> aPostOperation(APostOperationRequest aPostOperationRequest) {
         throw new UnsupportedOperationException();
     }
@@ -128,7 +131,10 @@ default CompletableFuture<APostOperationResponse> aPostOperation(APostOperationR
      * @sample JsonAsyncClient.APostOperation
      * @see <a href="https://docs.aws.amazon.com/goto/WebAPI/json-service-2010-05-08/APostOperation" target="_top">AWS
      *      API Documentation</a>
+     *
+     * @deprecated This API is deprecated, use something else
      */
+    @Deprecated
     default CompletableFuture<APostOperationResponse> aPostOperation(Consumer<APostOperationRequest.Builder> aPostOperationRequest) {
         return aPostOperation(APostOperationRequest.builder().applyMutation(aPostOperationRequest).build());
     }
@@ -1449,4 +1455,4 @@ default CompletableFuture<StreamingOutputOperationResponse> streamingOutputOpera
     default JsonUtilities utilities() {
         throw new UnsupportedOperationException();
     }
-}
+}

codegen/src/test/resources/software/amazon/awssdk/codegen/poet/client/test-json-client-interface.java

@@ -88,7 +88,10 @@ static JsonClientBuilder builder() {
      * @sample JsonClient.APostOperation
      * @see <a href="https://docs.aws.amazon.com/goto/WebAPI/json-service-2010-05-08/APostOperation" target="_top">AWS
      *      API Documentation</a>
+     *
+     * @deprecated This API is deprecated, use something else
      */
+    @Deprecated
     default APostOperationResponse aPostOperation(APostOperationRequest aPostOperationRequest) throws InvalidInputException,
                                                                                                       AwsServiceException, SdkClientException, JsonException {
         throw new UnsupportedOperationException();
@@ -119,7 +122,10 @@ default APostOperationResponse aPostOperation(APostOperationRequest aPostOperati
      * @sample JsonClient.APostOperation
      * @see <a href="https://docs.aws.amazon.com/goto/WebAPI/json-service-2010-05-08/APostOperation" target="_top">AWS
      *      API Documentation</a>
+     *
+     * @deprecated This API is deprecated, use something else
      */
+    @Deprecated
     default APostOperationResponse aPostOperation(Consumer<APostOperationRequest.Builder> aPostOperationRequest)
         throws InvalidInputException, AwsServiceException, SdkClientException, JsonException {
         return aPostOperation(APostOperationRequest.builder().applyMutation(aPostOperationRequest).build());
@@ -1377,4 +1383,4 @@ static ServiceMetadata serviceMetadata() {
     default JsonUtilities utilities() {
         throw new UnsupportedOperationException();
     }
-}
+}