Default throw for context param setters

Author: dagnir

codegen/src/main/java/software/amazon/awssdk/codegen/poet/builder/AdditionalClientBuilderInterfaceSpec.java

@@ -20,6 +20,7 @@
 import com.squareup.javapoet.ParameterizedTypeName;
 import com.squareup.javapoet.TypeSpec;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
@@ -29,6 +30,7 @@
 import software.amazon.awssdk.codegen.model.config.customization.AdditionalClientBuilder;
 import software.amazon.awssdk.codegen.model.config.customization.CustomizationConfig;
 import software.amazon.awssdk.codegen.model.intermediate.IntermediateModel;
+import software.amazon.awssdk.codegen.model.service.ClientContextParam;
 import software.amazon.awssdk.codegen.poet.ClassSpec;
 import software.amazon.awssdk.codegen.poet.PoetExtension;
 import software.amazon.awssdk.codegen.poet.PoetUtils;
@@ -130,11 +132,19 @@ private List<MethodSpec> clientContextParamSetterMethods() {
         return model.getClientContextParams()
                     .entrySet()
                     .stream()
-                    .map(e -> endpointRulesSpecUtils.clientContextParamSetterMethodDeclaration(e.getKey(), e.getValue(),
-                                                                                               className()))
+                    .map(e -> contextParamSetterMethod(e.getKey(), e.getValue()))
                     .collect(Collectors.toList());
     }
 
+    private MethodSpec contextParamSetterMethod(String name, ClientContextParam param) {
+        MethodSpec.Builder builder = endpointRulesSpecUtils.clientContextParamSetterMethodDeclaration(
+            name, param, className(), Collections.singletonList(Modifier.DEFAULT)).toBuilder();
+
+        builder.addStatement("throw new $T()", UnsupportedOperationException.class);
+
+        return builder.build();
+    }
+
     private MethodSpec buildMethod() {
         return MethodSpec.methodBuilder("build")
             .addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT)

codegen/src/main/java/software/amazon/awssdk/codegen/poet/builder/BaseClientBuilderInterface.java

@@ -22,6 +22,7 @@
 import com.squareup.javapoet.TypeName;
 import com.squareup.javapoet.TypeSpec;
 import com.squareup.javapoet.TypeVariableName;
+import java.util.Collections;
 import java.util.function.Consumer;
 import javax.lang.model.element.Modifier;
 import software.amazon.awssdk.auth.token.credentials.SdkTokenProvider;
@@ -74,7 +75,7 @@ public TypeSpec poetSpec() {
         if (hasClientContextParams()) {
             model.getClientContextParams().forEach((n, m) -> {
                 builder.addMethod(endpointRulesSpecUtils.clientContextParamSetterMethodDeclaration(
-                    n, m, TypeVariableName.get("B")));
+                    n, m, TypeVariableName.get("B"), Collections.singletonList(Modifier.ABSTRACT)));
             });
         }
 

codegen/src/main/java/software/amazon/awssdk/codegen/poet/rules/EndpointRulesSpecUtils.java

@@ -124,12 +124,14 @@ public String clientContextParamName(String paramName) {
         return intermediateModel.getNamingStrategy().getEnumValueName(paramName);
     }
 
-    public MethodSpec clientContextParamSetterMethodDeclaration(String name, ClientContextParam param, TypeName returnType) {
+    public MethodSpec clientContextParamSetterMethodDeclaration(String name, ClientContextParam param, TypeName returnType,
+                                                                List<Modifier> modifiers) {
         String setterName = Utils.unCapitalize(CodegenNamingUtils.pascalCase(name));
         TypeName type = toJavaType(param.getType());
 
         MethodSpec.Builder b = MethodSpec.methodBuilder(setterName)
-                                         .addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT)
+                                         .addModifiers(Modifier.PUBLIC)
+                                         .addModifiers(modifiers)
                                          .addParameter(type, setterName)
                                          .returns(returnType);