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Example 6 with TypeStore

use of com.google.api.generator.gapic.composer.store.TypeStore in project gapic-generator-java by googleapis.

the class AbstractTransportServiceStubClassComposer method createDynamicTypes.

private TypeStore createDynamicTypes(Service service, String stubPakkage) {
    TypeStore typeStore = new TypeStore();
    typeStore.putAll(stubPakkage, Arrays.asList(getTransportContext().classNames().getTransportServiceStubClassName(service), getTransportContext().classNames().getServiceStubSettingsClassName(service), getTransportContext().classNames().getServiceStubClassName(service), getTransportContext().classNames().getTransportServiceCallableFactoryClassName(service)));
    // Pagination types.
    typeStore.putAll(service.pakkage(), service.methods().stream().filter(Method::isPaged).map(m -> String.format(PAGED_RESPONSE_TYPE_NAME_PATTERN, m.name())).collect(Collectors.toList()), true, getTransportContext().classNames().getServiceClientClassName(service));
    return typeStore;
}
Also used : TypeStore(com.google.api.generator.gapic.composer.store.TypeStore)

Example 7 with TypeStore

use of com.google.api.generator.gapic.composer.store.TypeStore 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 8 with TypeStore

use of com.google.api.generator.gapic.composer.store.TypeStore 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);
}
Also used : Arrays(java.util.Arrays) GapicServiceConfig(com.google.api.generator.gapic.model.GapicServiceConfig) BiFunction(java.util.function.BiFunction) 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) 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) Map(java.util.Map) ServerStreamingCallable(com.google.api.gax.rpc.ServerStreamingCallable) ConcreteReference(com.google.api.generator.engine.ast.ConcreteReference) LongRunningClient(com.google.api.gax.rpc.LongRunningClient) ImmutableMap(com.google.common.collect.ImmutableMap) 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Example 9 with TypeStore

use of com.google.api.generator.gapic.composer.store.TypeStore in project gapic-generator-java by googleapis.

the class AbstractServiceClientClassComposer method createGetterMethods.

private List<MethodDefinition> createGetterMethods(Service service, TypeStore typeStore, boolean hasLroClient) {
    Map<String, TypeNode> methodNameToTypes = new LinkedHashMap<>();
    methodNameToTypes.put("getSettings", typeStore.get(ClassNames.getServiceSettingsClassName(service)));
    methodNameToTypes.put("getStub", typeStore.get(ClassNames.getServiceStubClassName(service)));
    Set<String> getOperationsClientMethodNames = new HashSet<>();
    if (hasLroClient) {
        Iterator<String> opClientNamesIt = getTransportContext().operationsClientNames().iterator();
        Iterator<TypeNode> opClientTypesIt = getTransportContext().operationsClientTypes().iterator();
        while (opClientNamesIt.hasNext() && opClientTypesIt.hasNext()) {
            String opClientMethodName = String.format("get%s", JavaStyle.toUpperCamelCase(opClientNamesIt.next()));
            getOperationsClientMethodNames.add(opClientMethodName);
            methodNameToTypes.put(opClientMethodName, opClientTypesIt.next());
        }
    }
    AnnotationNode betaStubAnnotation = AnnotationNode.builder().setType(typeStore.get("BetaApi")).setDescription("A restructuring of stub classes is planned, so this may break in the future").build();
    return methodNameToTypes.entrySet().stream().map(e -> {
        String methodName = e.getKey();
        TypeNode methodReturnType = e.getValue();
        String returnVariableName = JavaStyle.toLowerCamelCase(methodName.substring(3));
        MethodDefinition.Builder methodBuilder = MethodDefinition.builder();
        if (getOperationsClientMethodNames.contains(methodName)) {
            methodBuilder = methodBuilder.setHeaderCommentStatements(ServiceClientCommentComposer.GET_OPERATIONS_CLIENT_METHOD_COMMENT);
        }
        return methodBuilder.setAnnotations(methodName.equals("getStub") ? Arrays.asList(betaStubAnnotation) : Collections.emptyList()).setScope(ScopeNode.PUBLIC).setName(methodName).setIsFinal(!methodName.equals("getStub")).setReturnType(methodReturnType).setReturnExpr(VariableExpr.builder().setVariable(Variable.builder().setName(returnVariableName).setType(methodReturnType).build()).build()).build();
    }).collect(Collectors.toList());
}
Also used : 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) MethodArgument(com.google.api.generator.gapic.model.MethodArgument) 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Example 10 with TypeStore

use of com.google.api.generator.gapic.composer.store.TypeStore 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;
}
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Aggregations

TypeStore (com.google.api.generator.gapic.composer.store.TypeStore)49 ClassDefinition (com.google.api.generator.engine.ast.ClassDefinition)41 GapicClass (com.google.api.generator.gapic.model.GapicClass)41 ArrayList (java.util.ArrayList)39 VariableExpr (com.google.api.generator.engine.ast.VariableExpr)38 List (java.util.List)37 ExprStatement (com.google.api.generator.engine.ast.ExprStatement)36 TypeNode (com.google.api.generator.engine.ast.TypeNode)36 AnnotationNode (com.google.api.generator.engine.ast.AnnotationNode)35 ConcreteReference (com.google.api.generator.engine.ast.ConcreteReference)35 MethodDefinition (com.google.api.generator.engine.ast.MethodDefinition)35 ScopeNode (com.google.api.generator.engine.ast.ScopeNode)35 GapicContext (com.google.api.generator.gapic.model.GapicContext)35 JavaStyle (com.google.api.generator.gapic.utils.JavaStyle)35 Arrays (java.util.Arrays)35 Collectors (java.util.stream.Collectors)35 Expr (com.google.api.generator.engine.ast.Expr)34 MethodInvocationExpr (com.google.api.generator.engine.ast.MethodInvocationExpr)34 ValueExpr (com.google.api.generator.engine.ast.ValueExpr)34 Variable (com.google.api.generator.engine.ast.Variable)34