Examples with TypeNode com.google.api.generator.engine.ast.TypeNode used on opensource projects

Example 11 with TypeNode

use of com.google.api.generator.engine.ast.TypeNode in project gapic-generator-java by googleapis.

the class AbstractServiceStubSettingsClassComposer method createNestedBuilderClass.

private ClassDefinition createNestedBuilderClass(Service service, @Nullable GapicServiceConfig serviceConfig, TypeStore typeStore) {
    // TODO(miraleung): Robustify this against a null serviceConfig.
    String thisClassName = ClassNames.getServiceStubSettingsClassName(service);
    String className = "Builder";
    TypeNode extendsType = TypeNode.withReference(ConcreteReference.builder().setClazz(StubSettings.Builder.class).setGenerics(Arrays.asList(typeStore.get(thisClassName), typeStore.get(className)).stream().map(t -> t.reference()).collect(Collectors.toList())).build());
    Set<String> nestedDeprecatedSettingVarNames = new HashSet<>();
    Map<String, VariableExpr> nestedMethodSettingsMemberVarExprs = createMethodSettingsClassMemberVarExprs(service, serviceConfig, typeStore, /* isNestedClass= */
    true, nestedDeprecatedSettingVarNames);
    // TODO(miraleung): Fill this out.
    return ClassDefinition.builder().setIsNested(true).setHeaderCommentStatements(SettingsCommentComposer.createBuilderClassComment(ClassNames.getServiceStubSettingsClassName(service))).setScope(ScopeNode.PUBLIC).setIsStatic(true).setName(className).setExtendsType(extendsType).setStatements(createNestedClassStatements(service, serviceConfig, nestedMethodSettingsMemberVarExprs)).setMethods(createNestedClassMethods(service, serviceConfig, extendsType, nestedMethodSettingsMemberVarExprs, nestedDeprecatedSettingVarNames, typeStore)).build();
}

Example 12 with TypeNode

use of com.google.api.generator.engine.ast.TypeNode in project gapic-generator-java by googleapis.

the class AbstractTransportServiceStubClassComposer method createStaticCreatorMethods.

protected List<MethodDefinition> createStaticCreatorMethods(Service service, TypeStore typeStore, String newBuilderMethod) {
    TypeNode creatorMethodReturnType = typeStore.get(getTransportContext().classNames().getTransportServiceStubClassName(service));
    Function<List<VariableExpr>, MethodDefinition.Builder> creatorMethodStarterFn = argList -> MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setIsStatic(true).setIsFinal(true).setReturnType(creatorMethodReturnType).setName("create").setArguments(argList.stream().map(v -> v.toBuilder().setIsDecl(true).build()).collect(Collectors.toList())).setThrowsExceptions(Arrays.asList(TypeNode.withReference(ConcreteReference.withClazz(IOException.class))));
    Function<List<Expr>, Expr> instantiatorExprFn = argList -> NewObjectExpr.builder().setType(creatorMethodReturnType).setArguments(argList).build();
    TypeNode stubSettingsType = typeStore.get(getTransportContext().classNames().getServiceStubSettingsClassName(service));
    VariableExpr settingsVarExpr = VariableExpr.withVariable(Variable.builder().setName("settings").setType(stubSettingsType).build());
    TypeNode clientContextType = FIXED_TYPESTORE.get("ClientContext");
    VariableExpr clientContextVarExpr = VariableExpr.withVariable(Variable.builder().setName("clientContext").setType(clientContextType).build());
    VariableExpr callableFactoryVarExpr = VariableExpr.withVariable(Variable.builder().setName("callableFactory").setType(getTransportContext().stubCallableFactoryType()).build());
    MethodInvocationExpr clientContextCreateMethodExpr = MethodInvocationExpr.builder().setMethodName("create").setStaticReferenceType(clientContextType).setArguments(Arrays.asList(settingsVarExpr)).build();
    MethodInvocationExpr settingsBuilderMethodExpr = MethodInvocationExpr.builder().setMethodName(newBuilderMethod).setStaticReferenceType(stubSettingsType).build();
    settingsBuilderMethodExpr = MethodInvocationExpr.builder().setMethodName("build").setExprReferenceExpr(settingsBuilderMethodExpr).build();
    return Arrays.asList(creatorMethodStarterFn.apply(Arrays.asList(settingsVarExpr)).setReturnExpr(instantiatorExprFn.apply(Arrays.asList(settingsVarExpr, clientContextCreateMethodExpr))).build(), creatorMethodStarterFn.apply(Arrays.asList(clientContextVarExpr)).setReturnExpr(instantiatorExprFn.apply(Arrays.asList(settingsBuilderMethodExpr, clientContextVarExpr))).build(), creatorMethodStarterFn.apply(Arrays.asList(clientContextVarExpr, callableFactoryVarExpr)).setReturnExpr(instantiatorExprFn.apply(Arrays.asList(settingsBuilderMethodExpr, clientContextVarExpr, callableFactoryVarExpr))).build());
}

Example 13 with TypeNode

use of com.google.api.generator.engine.ast.TypeNode in project gapic-generator-java by googleapis.

the class AbstractTransportServiceStubClassComposer method generate.

@Override
public GapicClass generate(GapicContext context, Service service) {
    String pakkage = service.pakkage() + ".stub";
    TypeStore typeStore = createDynamicTypes(service, pakkage);
    String className = getTransportContext().classNames().getTransportServiceStubClassName(service);
    GapicClass.Kind kind = Kind.STUB;
    Map<String, VariableExpr> protoMethodNameToDescriptorVarExprs = createProtoMethodNameToDescriptorClassMembers(service, getTransportContext().methodDescriptorClass());
    Map<String, VariableExpr> callableClassMemberVarExprs = createCallableClassMembers(service, typeStore);
    Map<String, VariableExpr> classMemberVarExprs = new LinkedHashMap<>();
    classMemberVarExprs.put(BACKGROUND_RESOURCES_MEMBER_NAME, VariableExpr.withVariable(Variable.builder().setName(BACKGROUND_RESOURCES_MEMBER_NAME).setType(FIXED_TYPESTORE.get("BackgroundResource")).build()));
    if (generateOperationsStubLogic(service)) {
        // Transport-specific service stub may have only one element of the following, thus get(0).
        TypeNode operationsStubType = getTransportOperationsStubType(service);
        classMemberVarExprs.put(getTransportContext().transportOperationsStubNames().get(0), VariableExpr.withVariable(Variable.builder().setName(getTransportContext().transportOperationsStubNames().get(0)).setType(operationsStubType).build()));
    }
    boolean operationPollingMethod = checkOperationPollingMethod(service);
    if (operationPollingMethod) {
        VariableExpr longRunningVarExpr = declareLongRunningClient();
        if (longRunningVarExpr != null) {
            classMemberVarExprs.put("longRunningClient", longRunningVarExpr);
        }
    }
    classMemberVarExprs.put(CALLABLE_FACTORY_MEMBER_NAME, VariableExpr.withVariable(Variable.builder().setName(CALLABLE_FACTORY_MEMBER_NAME).setType(getTransportContext().stubCallableFactoryType()).build()));
    Map<String, Message> messageTypes = context.messages();
    List<Statement> classStatements = createClassStatements(service, protoMethodNameToDescriptorVarExprs, callableClassMemberVarExprs, classMemberVarExprs, messageTypes);
    StubCommentComposer commentComposer = new StubCommentComposer(getTransportContext().transportName());
    ClassDefinition classDef = ClassDefinition.builder().setPackageString(pakkage).setHeaderCommentStatements(commentComposer.createTransportServiceStubClassHeaderComments(service.name(), service.isDeprecated())).setAnnotations(createClassAnnotations(service)).setScope(ScopeNode.PUBLIC).setName(className).setExtendsType(typeStore.get(getTransportContext().classNames().getServiceStubClassName(service))).setMethods(createClassMethods(context, service, typeStore, classMemberVarExprs, callableClassMemberVarExprs, protoMethodNameToDescriptorVarExprs, classStatements)).setStatements(classStatements).build();
    return GapicClass.create(kind, classDef);
}

Example 14 with TypeNode

use of com.google.api.generator.engine.ast.TypeNode in project gapic-generator-java by googleapis.

the class AbstractTransportServiceStubClassComposer method createConstructorMethods.

protected List<MethodDefinition> createConstructorMethods(GapicContext context, Service service, TypeStore typeStore, Map<String, VariableExpr> classMemberVarExprs, Map<String, VariableExpr> callableClassMemberVarExprs, Map<String, VariableExpr> protoMethodNameToDescriptorVarExprs, List<Statement> classStatements) {
    TypeNode stubSettingsType = typeStore.get(getTransportContext().classNames().getServiceStubSettingsClassName(service));
    VariableExpr settingsVarExpr = VariableExpr.withVariable(Variable.builder().setName("settings").setType(stubSettingsType).build());
    TypeNode clientContextType = FIXED_TYPESTORE.get("ClientContext");
    VariableExpr clientContextVarExpr = VariableExpr.withVariable(Variable.builder().setName("clientContext").setType(clientContextType).build());
    VariableExpr callableFactoryVarExpr = VariableExpr.withVariable(Variable.builder().setName("callableFactory").setType(getTransportContext().stubCallableFactoryType()).build());
    TypeNode thisClassType = typeStore.get(getTransportContext().classNames().getTransportServiceStubClassName(service));
    TypeNode ioExceptionType = TypeNode.withReference(ConcreteReference.withClazz(IOException.class));
    BiFunction<List<VariableExpr>, List<Statement>, MethodDefinition> ctorMakerFn = (args, body) -> MethodDefinition.constructorBuilder().setScope(ScopeNode.PROTECTED).setReturnType(thisClassType).setHeaderCommentStatements(Arrays.asList(createProtectedCtorComment(service))).setArguments(args.stream().map(v -> v.toBuilder().setIsDecl(true).build()).collect(Collectors.toList())).setThrowsExceptions(Arrays.asList(ioExceptionType)).setBody(body).build();
    // First constructor method.
    MethodDefinition firstCtor = ctorMakerFn.apply(Arrays.asList(settingsVarExpr, clientContextVarExpr), Arrays.asList(ExprStatement.withExpr(ReferenceConstructorExpr.thisBuilder().setType(thisClassType).setArguments(settingsVarExpr, clientContextVarExpr, NewObjectExpr.builder().setType(typeStore.get(getTransportContext().classNames().getTransportServiceCallableFactoryClassName(service))).build()).build())));
    Expr thisExpr = ValueExpr.withValue(ThisObjectValue.withType(typeStore.get(getTransportContext().classNames().getTransportServiceStubClassName(service))));
    // Body of the second constructor method.
    List<Statement> secondCtorStatements = new ArrayList<>();
    List<Expr> secondCtorExprs = new ArrayList<>();
    secondCtorExprs.add(AssignmentExpr.builder().setVariableExpr(classMemberVarExprs.get("callableFactory").toBuilder().setExprReferenceExpr(thisExpr).build()).setValueExpr(callableFactoryVarExpr).build());
    VariableExpr operationsStubClassVarExpr = classMemberVarExprs.get(getTransportContext().transportOperationsStubNames().get(0));
    // TODO: refactor this
    if (generateOperationsStubLogic(service)) {
        secondCtorExprs.addAll(createOperationsStubInitExpr(service, thisExpr, operationsStubClassVarExpr, clientContextVarExpr, callableFactoryVarExpr));
    }
    secondCtorStatements.addAll(secondCtorExprs.stream().map(ExprStatement::withExpr).collect(Collectors.toList()));
    secondCtorExprs.clear();
    secondCtorStatements.add(EMPTY_LINE_STATEMENT);
    // Transport settings local variables.
    Map<String, VariableExpr> javaStyleMethodNameToTransportSettingsVarExprs = service.methods().stream().collect(Collectors.toMap(m -> JavaStyle.toLowerCamelCase(m.name()), m -> VariableExpr.withVariable(Variable.builder().setName(String.format("%sTransportSettings", JavaStyle.toLowerCamelCase(m.name()))).setType(TypeNode.withReference(ConcreteReference.builder().setClazz(getTransportContext().callSettingsClass()).setGenerics(Arrays.asList(m.inputType().reference(), m.outputType().reference())).build())).build())));
    secondCtorExprs.addAll(service.methods().stream().map(m -> createTransportSettingsInitExpr(m, javaStyleMethodNameToTransportSettingsVarExprs.get(JavaStyle.toLowerCamelCase(m.name())), protoMethodNameToDescriptorVarExprs.get(m.name()), classStatements)).collect(Collectors.toList()));
    secondCtorStatements.addAll(secondCtorExprs.stream().map(ExprStatement::withExpr).collect(Collectors.toList()));
    secondCtorExprs.clear();
    secondCtorStatements.add(EMPTY_LINE_STATEMENT);
    // Initialize <method>Callable variables.
    secondCtorExprs.addAll(callableClassMemberVarExprs.entrySet().stream().map(e -> createCallableInitExpr(context, service, e.getKey(), e.getValue(), callableFactoryVarExpr, settingsVarExpr, clientContextVarExpr, operationsStubClassVarExpr, thisExpr, javaStyleMethodNameToTransportSettingsVarExprs)).collect(Collectors.toList()));
    secondCtorStatements.addAll(secondCtorExprs.stream().map(ExprStatement::withExpr).collect(Collectors.toList()));
    secondCtorExprs.clear();
    secondCtorStatements.add(EMPTY_LINE_STATEMENT);
    secondCtorStatements.addAll(createLongRunningClient(service, typeStore));
    // Instantiate backgroundResources.
    MethodInvocationExpr getBackgroundResourcesMethodExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientContextVarExpr).setMethodName("getBackgroundResources").build();
    VariableExpr backgroundResourcesVarExpr = classMemberVarExprs.get("backgroundResources");
    secondCtorExprs.add(AssignmentExpr.builder().setVariableExpr(backgroundResourcesVarExpr.toBuilder().setExprReferenceExpr(thisExpr).build()).setValueExpr(NewObjectExpr.builder().setType(FIXED_TYPESTORE.get("BackgroundResourceAggregation")).setArguments(Arrays.asList(getBackgroundResourcesMethodExpr)).build()).build());
    secondCtorStatements.addAll(secondCtorExprs.stream().map(ExprStatement::withExpr).collect(Collectors.toList()));
    secondCtorExprs.clear();
    // Second constructor method.
    MethodDefinition secondCtor = ctorMakerFn.apply(Arrays.asList(settingsVarExpr, clientContextVarExpr, callableFactoryVarExpr), secondCtorStatements);
    return Arrays.asList(firstCtor, secondCtor);
}

Example 15 with TypeNode

use of com.google.api.generator.engine.ast.TypeNode in project gapic-generator-java by googleapis.

the class BatchingDescriptorComposer method createGetRequestBuilderMethod.

private static MethodDefinition createGetRequestBuilderMethod(Method method, GapicBatchingSettings batchingSettings) {
    TypeNode builderType = TypeNode.withReference(VaporReference.builder().setEnclosingClassNames(method.inputType().reference().name()).setName("Builder").setPakkage(method.inputType().reference().pakkage()).build());
    VariableExpr builderVarExpr = VariableExpr.withVariable(Variable.builder().setType(builderType).setName("builder").build());
    VariableExpr requestVarExpr = VariableExpr.withVariable(Variable.builder().setType(method.inputType()).setName("request").build());
    Expr toBuilderExpr = AssignmentExpr.builder().setVariableExpr(builderVarExpr).setValueExpr(MethodInvocationExpr.builder().setExprReferenceExpr(requestVarExpr).setMethodName("toBuilder").setReturnType(builderType).build()).build();
    String upperBatchedFieldName = JavaStyle.toUpperCamelCase(batchingSettings.batchedFieldName());
    String getFooListMethodName = String.format(GET_LIST_METHOD_PATTERN, upperBatchedFieldName);
    Expr getFooListExpr = MethodInvocationExpr.builder().setExprReferenceExpr(requestVarExpr).setMethodName(getFooListMethodName).build();
    String addAllMethodName = String.format(ADD_ALL_METHOD_PATTERN, upperBatchedFieldName);
    Expr addAllExpr = MethodInvocationExpr.builder().setExprReferenceExpr(builderVarExpr).setMethodName(addAllMethodName).setArguments(getFooListExpr).build();
    MethodDefinition appendRequestMethod = MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC).setReturnType(TypeNode.VOID).setName("appendRequest").setArguments(requestVarExpr.toBuilder().setIsDecl(true).build()).setBody(Arrays.asList(IfStatement.builder().setConditionExpr(RelationalOperationExpr.equalToWithExprs(builderVarExpr, ValueExpr.createNullExpr())).setBody(Arrays.asList(ExprStatement.withExpr(toBuilderExpr))).setElseBody(Arrays.asList(ExprStatement.withExpr(addAllExpr))).build())).build();
    MethodDefinition buildMethod = MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC).setReturnType(method.inputType()).setName("build").setReturnExpr(MethodInvocationExpr.builder().setExprReferenceExpr(builderVarExpr).setMethodName("build").setReturnType(method.inputType()).build()).build();
    TypeNode anonClassType = toType(REQUEST_BUILDER_REF, method.inputType());
    AnonymousClassExpr requestBuilderAnonClassExpr = AnonymousClassExpr.builder().setType(anonClassType).setStatements(Arrays.asList(ExprStatement.withExpr(builderVarExpr.toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).build()))).setMethods(Arrays.asList(appendRequestMethod, buildMethod)).build();
    return MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC).setReturnType(anonClassType).setName("getRequestBuilder").setReturnExpr(requestBuilderAnonClassExpr).build();
}