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Example 1 with Message

use of com.google.api.generator.gapic.model.Message in project gapic-generator-java by googleapis.

the class AbstractServiceStubSettingsClassComposer method generate.

@Override
public GapicClass generate(GapicContext context, Service service) {
    // TODO(miraleung): Robustify this against a null serviceConfig.
    GapicServiceConfig serviceConfig = context.serviceConfig();
    Map<String, Message> messageTypes = context.messages();
    String pakkage = String.format("%s.stub", service.pakkage());
    TypeStore typeStore = createDynamicTypes(service, pakkage);
    List<Sample> samples = new ArrayList<>();
    Set<String> deprecatedSettingVarNames = new HashSet<>();
    Map<String, VariableExpr> methodSettingsMemberVarExprs = createMethodSettingsClassMemberVarExprs(service, serviceConfig, typeStore, /* isNestedClass= */
    false, deprecatedSettingVarNames);
    String className = ClassNames.getServiceStubSettingsClassName(service);
    List<CommentStatement> classHeaderComments = createClassHeaderComments(service, typeStore.get(className), samples);
    ClassDefinition classDef = ClassDefinition.builder().setPackageString(pakkage).setHeaderCommentStatements(classHeaderComments).setAnnotations(createClassAnnotations(service)).setScope(ScopeNode.PUBLIC).setName(className).setExtendsType(createExtendsType(service, typeStore)).setStatements(createClassStatements(service, serviceConfig, methodSettingsMemberVarExprs, messageTypes, typeStore)).setMethods(createClassMethods(service, methodSettingsMemberVarExprs, deprecatedSettingVarNames, typeStore)).setNestedClasses(Arrays.asList(createNestedBuilderClass(service, serviceConfig, typeStore))).build();
    return GapicClass.create(GapicClass.Kind.STUB, classDef, SampleComposerUtil.handleDuplicateSamples(samples));
}
Also used : Message(com.google.api.generator.gapic.model.Message) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) Sample(com.google.api.generator.gapic.model.Sample) ArrayList(java.util.ArrayList) ClassDefinition(com.google.api.generator.engine.ast.ClassDefinition) GapicServiceConfig(com.google.api.generator.gapic.model.GapicServiceConfig) TypeStore(com.google.api.generator.gapic.composer.store.TypeStore) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) HashSet(java.util.HashSet)

Example 2 with Message

use of com.google.api.generator.gapic.model.Message in project gapic-generator-java by googleapis.

the class AbstractServiceStubSettingsClassComposer method createPagedListDescriptorAssignExpr.

private static Expr createPagedListDescriptorAssignExpr(VariableExpr pagedListDescVarExpr, Method method, TypeNode repeatedResponseType, String repeatedFieldName, Map<String, Message> messageTypes, TypeStore typeStore) {
    MethodDefinition.Builder methodStarterBuilder = MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC);
    List<MethodDefinition> anonClassMethods = new ArrayList<>();
    // Create emptyToken method.
    anonClassMethods.add(methodStarterBuilder.setReturnType(TypeNode.STRING).setName("emptyToken").setReturnExpr(ValueExpr.withValue(StringObjectValue.withValue(""))).build());
    // Create injectToken method.
    VariableExpr payloadVarExpr = VariableExpr.withVariable(Variable.builder().setType(method.inputType()).setName("payload").build());
    VariableExpr strTokenVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.STRING).setName("token").build());
    TypeNode returnType = method.inputType();
    Expr newBuilderExpr = MethodInvocationExpr.builder().setStaticReferenceType(method.inputType()).setMethodName("newBuilder").setArguments(payloadVarExpr).build();
    Expr returnExpr = MethodInvocationExpr.builder().setExprReferenceExpr(newBuilderExpr).setMethodName("setPageToken").setArguments(strTokenVarExpr).build();
    returnExpr = MethodInvocationExpr.builder().setExprReferenceExpr(returnExpr).setMethodName("build").setReturnType(returnType).build();
    anonClassMethods.add(methodStarterBuilder.setReturnType(method.inputType()).setName("injectToken").setArguments(Arrays.asList(payloadVarExpr, strTokenVarExpr).stream().map(v -> v.toBuilder().setIsDecl(true).build()).collect(Collectors.toList())).setReturnExpr(returnExpr).build());
    // Create injectPageSize method.
    VariableExpr pageSizeVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.INT).setName("pageSize").build());
    // Re-declare for clarity and easier readability.
    returnType = method.inputType();
    returnExpr = MethodInvocationExpr.builder().setExprReferenceExpr(newBuilderExpr).setMethodName("set" + JavaStyle.toUpperCamelCase(method.pageSizeFieldName())).setArguments(pageSizeVarExpr).build();
    returnExpr = MethodInvocationExpr.builder().setExprReferenceExpr(returnExpr).setMethodName("build").setReturnType(returnType).build();
    anonClassMethods.add(methodStarterBuilder.setReturnType(method.inputType()).setName("injectPageSize").setArguments(Arrays.asList(payloadVarExpr, pageSizeVarExpr).stream().map(v -> v.toBuilder().setIsDecl(true).build()).collect(Collectors.toList())).setReturnExpr(returnExpr).build());
    // TODO(miraleung): Test the edge cases where these proto fields aren't present.
    // Create extractPageSize method.
    returnType = TypeNode.INT_OBJECT;
    anonClassMethods.add(methodStarterBuilder.setReturnType(returnType).setName("extractPageSize").setArguments(payloadVarExpr.toBuilder().setIsDecl(true).build()).setReturnExpr(MethodInvocationExpr.builder().setExprReferenceExpr(payloadVarExpr).setMethodName("get" + JavaStyle.toUpperCamelCase(method.pageSizeFieldName())).setReturnType(returnType).build()).build());
    // Create extractNextToken method.
    returnType = TypeNode.STRING;
    payloadVarExpr = VariableExpr.withVariable(Variable.builder().setType(method.outputType()).setName("payload").build());
    anonClassMethods.add(methodStarterBuilder.setReturnType(returnType).setName("extractNextToken").setArguments(payloadVarExpr.toBuilder().setIsDecl(true).build()).setReturnExpr(MethodInvocationExpr.builder().setExprReferenceExpr(payloadVarExpr).setMethodName("getNextPageToken").setReturnType(returnType).build()).build());
    // Create extractResources method.
    returnType = TypeNode.withReference(ConcreteReference.builder().setClazz(Iterable.class).setGenerics(Arrays.asList(repeatedResponseType.reference())).build());
    Expr getResponsesExpr;
    Expr elseExpr;
    Expr thenExpr;
    if (repeatedResponseType.reference() != null && "java.util.Map.Entry".equals(repeatedResponseType.reference().fullName())) {
        getResponsesExpr = MethodInvocationExpr.builder().setExprReferenceExpr(payloadVarExpr).setMethodName(String.format("get%sMap", JavaStyle.toUpperCamelCase(repeatedFieldName))).setReturnType(returnType).build();
        thenExpr = MethodInvocationExpr.builder().setStaticReferenceType(TypeNode.withReference(ConcreteReference.withClazz(Collections.class))).setGenerics(Arrays.asList(repeatedResponseType.reference())).setMethodName("emptySet").setReturnType(returnType).build();
        elseExpr = MethodInvocationExpr.builder().setMethodName("entrySet").setExprReferenceExpr(MethodInvocationExpr.builder().setExprReferenceExpr(payloadVarExpr).setMethodName(String.format("get%sMap", JavaStyle.toUpperCamelCase(repeatedFieldName))).build()).setReturnType(returnType).build();
    } else {
        getResponsesExpr = MethodInvocationExpr.builder().setExprReferenceExpr(payloadVarExpr).setMethodName(String.format("get%sList", JavaStyle.toUpperCamelCase(repeatedFieldName))).setReturnType(returnType).build();
        thenExpr = MethodInvocationExpr.builder().setStaticReferenceType(TypeNode.withReference(ConcreteReference.withClazz(ImmutableList.class))).setGenerics(Arrays.asList(repeatedResponseType.reference())).setMethodName("of").setReturnType(returnType).build();
        elseExpr = getResponsesExpr;
    }
    // While protobufs should not be null, this null-check is needed to protect against NPEs
    // in paged iteration on clients that use legacy HTTP/JSON types, as these clients can
    // actually return null instead of an empty list.
    // Context:
    // Original issue: https://github.com/googleapis/google-cloud-java/issues/3736
    // Relevant discussion where this check was first added:
    // https://github.com/googleapis/google-cloud-java/pull/4499#discussion_r257057409
    Expr conditionExpr = RelationalOperationExpr.equalToWithExprs(getResponsesExpr, ValueExpr.createNullExpr());
    returnExpr = TernaryExpr.builder().setConditionExpr(conditionExpr).setThenExpr(thenExpr).setElseExpr(elseExpr).build();
    anonClassMethods.add(methodStarterBuilder.setReturnType(returnType).setName("extractResources").setArguments(payloadVarExpr.toBuilder().setIsDecl(true).build()).setReturnExpr(returnExpr).build());
    // Create the anonymous class.
    AnonymousClassExpr pagedListDescAnonClassExpr = AnonymousClassExpr.builder().setType(pagedListDescVarExpr.type()).setMethods(anonClassMethods).build();
    // Declare and assign the variable.
    return AssignmentExpr.builder().setVariableExpr(pagedListDescVarExpr.toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).setIsStatic(true).setIsFinal(true).build()).setValueExpr(pagedListDescAnonClassExpr).build();
}
Also used : Arrays(java.util.Arrays) BatchingDescriptor(com.google.api.gax.rpc.BatchingDescriptor) GapicServiceConfig(com.google.api.generator.gapic.model.GapicServiceConfig) ServerStreamingCallSettings(com.google.api.gax.rpc.ServerStreamingCallSettings) ReferenceConstructorExpr(com.google.api.generator.engine.ast.ReferenceConstructorExpr) StringObjectValue(com.google.api.generator.engine.ast.StringObjectValue) PagedCallSettings(com.google.api.gax.rpc.PagedCallSettings) Empty(com.google.protobuf.Empty) MethodDefinition(com.google.api.generator.engine.ast.MethodDefinition) TypeStore(com.google.api.generator.gapic.composer.store.TypeStore) Method(com.google.api.generator.gapic.model.Method) PrimitiveValue(com.google.api.generator.engine.ast.PrimitiveValue) Stream(com.google.api.generator.gapic.model.Method.Stream) Map(java.util.Map) ConcreteReference(com.google.api.generator.engine.ast.ConcreteReference) PartitionKey(com.google.api.gax.batching.PartitionKey) 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Example 3 with Message

use of com.google.api.generator.gapic.model.Message 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);
}
Also used : Message(com.google.api.generator.gapic.model.Message) EmptyLineStatement(com.google.api.generator.engine.ast.EmptyLineStatement) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) Statement(com.google.api.generator.engine.ast.Statement) ClassDefinition(com.google.api.generator.engine.ast.ClassDefinition) LinkedHashMap(java.util.LinkedHashMap) StubCommentComposer(com.google.api.generator.gapic.composer.comment.StubCommentComposer) GapicClass(com.google.api.generator.gapic.model.GapicClass) TypeStore(com.google.api.generator.gapic.composer.store.TypeStore) Kind(com.google.api.generator.gapic.model.GapicClass.Kind) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) TypeNode(com.google.api.generator.engine.ast.TypeNode)

Example 4 with Message

use of com.google.api.generator.gapic.model.Message in project gapic-generator-java by googleapis.

the class AbstractServiceClientClassComposer method createMethodVariants.

private static List<MethodDefinition> createMethodVariants(Method method, String clientName, Map<String, Message> messageTypes, TypeStore typeStore, Map<String, ResourceName> resourceNames, List<Sample> samples) {
    List<MethodDefinition> javaMethods = new ArrayList<>();
    String methodName = JavaStyle.toLowerCamelCase(method.name());
    TypeNode methodInputType = method.inputType();
    TypeNode methodOutputType = method.isPaged() ? typeStore.get(String.format(PAGED_RESPONSE_TYPE_NAME_PATTERN, method.name())) : method.outputType();
    if (method.hasLro()) {
        LongrunningOperation lro = method.lro();
        methodOutputType = TypeNode.withReference(typeStore.get("OperationFuture").reference().copyAndSetGenerics(Arrays.asList(lro.responseType().reference(), lro.metadataType().reference())));
    }
    for (List<MethodArgument> signature : method.methodSignatures()) {
        // Get the argument list.
        List<VariableExpr> arguments = signature.stream().map(methodArg -> VariableExpr.builder().setVariable(Variable.builder().setName(JavaStyle.toLowerCamelCase(methodArg.name())).setType(methodArg.type()).build()).setIsDecl(true).build()).collect(Collectors.toList());
        // Request proto builder.
        VariableExpr requestVarExpr = VariableExpr.builder().setVariable(Variable.builder().setName("request").setType(methodInputType).build()).setIsDecl(true).build();
        Expr requestBuilderExpr = createRequestBuilderExpr(method, signature, typeStore);
        AssignmentExpr requestAssignmentExpr = AssignmentExpr.builder().setVariableExpr(requestVarExpr).setValueExpr(requestBuilderExpr).build();
        List<Statement> statements = new ArrayList<>();
        statements.add(ExprStatement.withExpr(requestAssignmentExpr));
        MethodInvocationExpr rpcInvocationExpr = MethodInvocationExpr.builder().setMethodName(String.format(method.hasLro() ? "%sAsync" : "%s", methodName)).setArguments(Arrays.asList(requestVarExpr.toBuilder().setIsDecl(false).build())).setReturnType(methodOutputType).build();
        Optional<Sample> methodSample = Optional.of(ServiceClientHeaderSampleComposer.composeShowcaseMethodSample(method, typeStore.get(clientName), signature, resourceNames, messageTypes));
        Optional<String> methodDocSample = Optional.empty();
        if (methodSample.isPresent()) {
            samples.add(methodSample.get());
            methodDocSample = Optional.of(SampleCodeWriter.writeInlineSample(methodSample.get().body()));
        }
        MethodDefinition.Builder methodVariantBuilder = MethodDefinition.builder().setHeaderCommentStatements(ServiceClientCommentComposer.createRpcMethodHeaderComment(method, signature, methodDocSample)).setScope(ScopeNode.PUBLIC).setIsFinal(true).setName(String.format(method.hasLro() ? "%sAsync" : "%s", methodName)).setArguments(arguments);
        if (isProtoEmptyType(methodOutputType)) {
            statements.add(ExprStatement.withExpr(rpcInvocationExpr));
            methodVariantBuilder = methodVariantBuilder.setReturnType(TypeNode.VOID);
        } else {
            methodVariantBuilder = methodVariantBuilder.setReturnType(methodOutputType).setReturnExpr(rpcInvocationExpr);
        }
        if (method.isDeprecated()) {
            methodVariantBuilder = methodVariantBuilder.setAnnotations(Arrays.asList(AnnotationNode.withType(TypeNode.DEPRECATED)));
        }
        methodVariantBuilder = methodVariantBuilder.setBody(statements);
        javaMethods.add(methodVariantBuilder.build());
    }
    return javaMethods;
}
Also used : LongrunningOperation(com.google.api.generator.gapic.model.LongrunningOperation) Arrays(java.util.Arrays) ServiceClientHeaderSampleComposer(com.google.api.generator.gapic.composer.samplecode.ServiceClientHeaderSampleComposer) OperationFuture(com.google.api.gax.longrunning.OperationFuture) BiFunction(java.util.function.BiFunction) Reference(com.google.api.generator.engine.ast.Reference) ReferenceConstructorExpr(com.google.api.generator.engine.ast.ReferenceConstructorExpr) ThisObjectValue(com.google.api.generator.engine.ast.ThisObjectValue) Variable(com.google.api.generator.engine.ast.Variable) BackgroundResource(com.google.api.gax.core.BackgroundResource) Field(com.google.api.generator.gapic.model.Field) Generated(javax.annotation.Generated) MethodDefinition(com.google.api.generator.engine.ast.MethodDefinition) TypeStore(com.google.api.generator.gapic.composer.store.TypeStore) Method(com.google.api.generator.gapic.model.Method) 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NewObjectExpr(com.google.api.generator.engine.ast.NewObjectExpr) Expr(com.google.api.generator.engine.ast.Expr) TernaryExpr(com.google.api.generator.engine.ast.TernaryExpr) RelationalOperationExpr(com.google.api.generator.engine.ast.RelationalOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) CastExpr(com.google.api.generator.engine.ast.CastExpr) LambdaExpr(com.google.api.generator.engine.ast.LambdaExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) MethodDefinition(com.google.api.generator.engine.ast.MethodDefinition) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) TypeNode(com.google.api.generator.engine.ast.TypeNode)

Example 5 with Message

use of com.google.api.generator.gapic.model.Message in project gapic-generator-java by googleapis.

the class AbstractServiceClientClassComposer method generate.

@Override
public GapicClass generate(GapicContext context, Service service) {
    Map<String, ResourceName> resourceNames = context.helperResourceNames();
    Map<String, Message> messageTypes = context.messages();
    TypeStore typeStore = createTypes(service, messageTypes);
    String className = ClassNames.getServiceClientClassName(service);
    GapicClass.Kind kind = Kind.MAIN;
    String pakkage = service.pakkage();
    boolean hasLroClient = service.hasStandardLroMethods();
    List<Sample> samples = new ArrayList<>();
    Map<String, List<String>> grpcRpcsToJavaMethodNames = new HashMap<>();
    ClassDefinition classDef = ClassDefinition.builder().setHeaderCommentStatements(createClassHeaderComments(service, typeStore, resourceNames, messageTypes, samples)).setPackageString(pakkage).setAnnotations(createClassAnnotations(service, typeStore)).setScope(ScopeNode.PUBLIC).setName(className).setImplementsTypes(createClassImplements(typeStore)).setStatements(createFieldDeclarations(service, typeStore, hasLroClient)).setMethods(createClassMethods(service, messageTypes, typeStore, resourceNames, hasLroClient, grpcRpcsToJavaMethodNames, samples)).setNestedClasses(createNestedPagingClasses(service, messageTypes, typeStore)).build();
    updateGapicMetadata(context, service, className, grpcRpcsToJavaMethodNames);
    return GapicClass.create(kind, classDef, SampleComposerUtil.handleDuplicateSamples(samples));
}
Also used : Message(com.google.api.generator.gapic.model.Message) HashMap(java.util.HashMap) LinkedHashMap(java.util.LinkedHashMap) ResourceName(com.google.api.generator.gapic.model.ResourceName) Sample(com.google.api.generator.gapic.model.Sample) ArrayList(java.util.ArrayList) ClassDefinition(com.google.api.generator.engine.ast.ClassDefinition) GapicClass(com.google.api.generator.gapic.model.GapicClass) TypeStore(com.google.api.generator.gapic.composer.store.TypeStore) Kind(com.google.api.generator.gapic.model.GapicClass.Kind) List(java.util.List) ArrayList(java.util.ArrayList)

Aggregations

Message (com.google.api.generator.gapic.model.Message)123 ResourceName (com.google.api.generator.gapic.model.ResourceName)85 TypeNode (com.google.api.generator.engine.ast.TypeNode)74 Test (org.junit.Test)68 Method (com.google.api.generator.gapic.model.Method)60 FileDescriptor (com.google.protobuf.Descriptors.FileDescriptor)44 HashSet (java.util.HashSet)39 ArrayList (java.util.ArrayList)36 Service (com.google.api.generator.gapic.model.Service)35 List (java.util.List)34 Expr (com.google.api.generator.engine.ast.Expr)32 Field (com.google.api.generator.gapic.model.Field)31 Descriptors (com.google.protobuf.Descriptors)30 VariableExpr (com.google.api.generator.engine.ast.VariableExpr)29 MethodInvocationExpr (com.google.api.generator.engine.ast.MethodInvocationExpr)26 ServiceDescriptor (com.google.protobuf.Descriptors.ServiceDescriptor)26 AssignmentExpr (com.google.api.generator.engine.ast.AssignmentExpr)25 ExprStatement (com.google.api.generator.engine.ast.ExprStatement)25 Statement (com.google.api.generator.engine.ast.Statement)24 HashMap (java.util.HashMap)23