Examples with Method com.google.api.generator.gapic.model.Method used on opensource projects

Example 51 with Method

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

the class AbstractServiceClientClassComposer method createNestedRpcPagedResponseClass.

private static ClassDefinition createNestedRpcPagedResponseClass(Method method, TypeNode repeatedResponseType, Map<String, Message> messageTypes, TypeStore typeStore) {
    Preconditions.checkState(method.isPaged(), String.format("Expected method %s to be paged", method.name()));
    String className = String.format("%sPagedResponse", JavaStyle.toUpperCamelCase(method.name()));
    TypeNode thisClassType = typeStore.get(className);
    String upperJavaMethodName = JavaStyle.toUpperCamelCase(method.name());
    TypeNode methodPageType = typeStore.get(String.format("%sPage", upperJavaMethodName));
    TypeNode classExtendsType = TypeNode.withReference(ConcreteReference.builder().setClazz(AbstractPagedListResponse.class).setGenerics(Arrays.asList(method.inputType(), method.outputType(), repeatedResponseType, methodPageType, typeStore.get(String.format("%sFixedSizeCollection", upperJavaMethodName))).stream().map(t -> t.reference()).collect(Collectors.toList())).build());
    // createAsync method - variables.
    VariableExpr contextVarExpr = VariableExpr.withVariable(Variable.builder().setName("context").setType(TypeNode.withReference(ConcreteReference.builder().setClazz(PageContext.class).setGenerics(Arrays.asList(method.inputType(), method.outputType(), repeatedResponseType).stream().map(t -> t.reference()).collect(Collectors.toList())).build())).build());
    VariableExpr futureResponseVarExpr = VariableExpr.withVariable(Variable.builder().setName("futureResponse").setType(TypeNode.withReference(ConcreteReference.builder().setClazz(ApiFuture.class).setGenerics(Arrays.asList(method.outputType().reference())).build())).build());
    VariableExpr futurePageVarExpr = VariableExpr.withVariable(Variable.builder().setName("futurePage").setType(TypeNode.withReference(ConcreteReference.builder().setClazz(ApiFuture.class).setGenerics(Arrays.asList(methodPageType.reference())).build())).build());
    // createAsync method - assignment expression.
    MethodInvocationExpr createPageAsyncExpr = MethodInvocationExpr.builder().setStaticReferenceType(methodPageType).setMethodName("createEmptyPage").build();
    createPageAsyncExpr = MethodInvocationExpr.builder().setExprReferenceExpr(createPageAsyncExpr).setMethodName("createPageAsync").setArguments(contextVarExpr, futureResponseVarExpr).setReturnType(futurePageVarExpr.type()).build();
    AssignmentExpr futurePageAssignExpr = AssignmentExpr.builder().setVariableExpr(futurePageVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(createPageAsyncExpr).build();
    // createAsync method - anonymous class expression.
    VariableExpr inputVarExpr = VariableExpr.withVariable(Variable.builder().setName("input").setType(methodPageType).build());
    // Overrides ApiFunction.apply.
    // (https://github.com/googleapis/api-common-java/blob/debf25960dea0367b0d3b5e16d57d76c1d01947e/src/main/java/com/google/api/core/ApiFunction.java).
    Expr pageToTransformExpr = LambdaExpr.builder().setArguments(inputVarExpr.toBuilder().setIsDecl(true).build()).setReturnExpr(NewObjectExpr.builder().setType(thisClassType).setArguments(inputVarExpr).build()).build();
    // createAsync method - return expression.
    TypeNode returnType = TypeNode.withReference(ConcreteReference.builder().setClazz(ApiFuture.class).setGenerics(Arrays.asList(typeStore.get(className).reference())).build());
    Expr returnExpr = MethodInvocationExpr.builder().setStaticReferenceType(typeStore.get("ApiFutures")).setMethodName("transform").setArguments(futurePageVarExpr, pageToTransformExpr, MethodInvocationExpr.builder().setStaticReferenceType(typeStore.get("MoreExecutors")).setMethodName("directExecutor").build()).setReturnType(returnType).build();
    MethodDefinition createAsyncMethod = MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setIsStatic(true).setReturnType(returnType).setName("createAsync").setArguments(Arrays.asList(contextVarExpr, futureResponseVarExpr).stream().map(e -> e.toBuilder().setIsDecl(true).build()).collect(Collectors.toList())).setBody(Arrays.asList(ExprStatement.withExpr(futurePageAssignExpr))).setReturnExpr(returnExpr).build();
    // Private constructor.
    VariableExpr pageVarExpr = VariableExpr.withVariable(Variable.builder().setName("page").setType(methodPageType).build());
    MethodDefinition privateCtor = MethodDefinition.constructorBuilder().setScope(ScopeNode.PRIVATE).setReturnType(thisClassType).setArguments(pageVarExpr.toBuilder().setIsDecl(true).build()).setBody(Arrays.asList(ExprStatement.withExpr(// Shortcut.
    ReferenceConstructorExpr.superBuilder().setType(methodPageType).setArguments(pageVarExpr, MethodInvocationExpr.builder().setStaticReferenceType(typeStore.get(String.format("%sFixedSizeCollection", upperJavaMethodName))).setMethodName("createEmptyCollection").build()).build()))).build();
    List<MethodDefinition> javaMethods = new ArrayList<>();
    javaMethods.add(createAsyncMethod);
    javaMethods.add(privateCtor);
    return ClassDefinition.builder().setIsNested(true).setScope(ScopeNode.PUBLIC).setIsStatic(true).setExtendsType(classExtendsType).setName(className).setMethods(javaMethods).build();
}

Example 52 with Method

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

the class AbstractServiceClientClassComposer method createRequestBuilderExpr.

@VisibleForTesting
static Expr createRequestBuilderExpr(Method method, List<MethodArgument> signature, TypeStore typeStore) {
    TypeNode methodInputType = method.inputType();
    Expr newBuilderExpr = MethodInvocationExpr.builder().setMethodName("newBuilder").setStaticReferenceType(methodInputType).build();
    // Maintain the args' order of appearance for better determinism.
    List<Field> rootFields = new ArrayList<>();
    Map<Field, Trie<Field>> rootFieldToTrie = new HashMap<>();
    for (MethodArgument arg : signature) {
        Field rootField = arg.nestedFields().isEmpty() ? arg.field() : arg.nestedFields().get(0);
        if (!rootFields.contains(rootField)) {
            rootFields.add(rootField);
        }
        Trie<Field> updatedTrie = rootFieldToTrie.containsKey(rootField) ? rootFieldToTrie.get(rootField) : new Trie<>();
        List<Field> nestedFieldsWithChild = new ArrayList<>(arg.nestedFields());
        nestedFieldsWithChild.add(arg.field());
        updatedTrie.insert(nestedFieldsWithChild);
        rootFieldToTrie.put(rootField, updatedTrie);
    }
    Function<Field, Expr> parentPreprocFn = field -> (Expr) MethodInvocationExpr.builder().setStaticReferenceType(field.type()).setMethodName("newBuilder").build();
    TriFunction<Field, Expr, Expr, Expr> parentPostprocFn = (field, baseRefExpr, leafProcessedExpr) -> {
        boolean isRootNode = field == null;
        return isRootNode ? leafProcessedExpr : MethodInvocationExpr.builder().setExprReferenceExpr(baseRefExpr).setMethodName(String.format("set%s", JavaStyle.toUpperCamelCase(field.name()))).setArguments(MethodInvocationExpr.builder().setExprReferenceExpr(leafProcessedExpr).setMethodName("build").build()).build();
    };
    final Map<Field, MethodArgument> fieldToMethodArg = signature.stream().collect(Collectors.toMap(a -> a.field(), a -> a));
    BiFunction<Field, Expr, Expr> leafProcFn = (field, parentBaseRefExpr) -> (Expr) buildNestedSetterInvocationExpr(fieldToMethodArg.get(field), parentBaseRefExpr);
    for (Field rootField : rootFields) {
        newBuilderExpr = rootFieldToTrie.get(rootField).dfsTraverseAndReduce(parentPreprocFn, parentPostprocFn, leafProcFn, newBuilderExpr);
    }
    return MethodInvocationExpr.builder().setExprReferenceExpr(newBuilderExpr).setMethodName("build").setReturnType(methodInputType).build();
}

Example 53 with Method

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

the class AbstractServiceSettingsClassComposer method createNestedBuilderSettingsGetterMethods.

private static List<MethodDefinition> createNestedBuilderSettingsGetterMethods(Service service, TypeStore typeStore) {
    BiFunction<TypeNode, String, MethodDefinition.Builder> methodMakerFn = (retType, methodName) -> MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setReturnType(retType).setName(methodName).setReturnExpr(MethodInvocationExpr.builder().setExprReferenceExpr(MethodInvocationExpr.builder().setMethodName("getStubSettingsBuilder").build()).setMethodName(methodName).setReturnType(retType).build());
    List<MethodDefinition> javaMethods = new ArrayList<>();
    for (Method protoMethod : service.methods()) {
        String javaStyleName = JavaStyle.toLowerCamelCase(protoMethod.name());
        String javaMethodName = String.format("%sSettings", javaStyleName);
        MethodDefinition.Builder methodBuilder = methodMakerFn.apply(getCallSettingsBuilderType(protoMethod, typeStore), javaMethodName);
        javaMethods.add(methodBuilder.setHeaderCommentStatements(SettingsCommentComposer.createCallSettingsBuilderGetterComment(getMethodNameFromSettingsVarName(javaMethodName), protoMethod.isDeprecated())).setAnnotations(protoMethod.isDeprecated() ? Arrays.asList(AnnotationNode.withType(TypeNode.DEPRECATED)) : Collections.emptyList()).build());
        if (protoMethod.hasLro()) {
            javaMethodName = String.format("%sOperationSettings", javaStyleName);
            methodBuilder = methodMakerFn.apply(getOperationCallSettingsBuilderType(protoMethod), javaMethodName);
            javaMethods.add(methodBuilder.setHeaderCommentStatements(SettingsCommentComposer.createCallSettingsBuilderGetterComment(getMethodNameFromSettingsVarName(javaMethodName), protoMethod.isDeprecated())).setAnnotations(protoMethod.isDeprecated() ? Arrays.asList(AnnotationNode.withType(TypeNode.DEPRECATED)) : Collections.emptyList()).build());
        }
    }
    return javaMethods;
}

Example 54 with Method

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

the class AbstractServiceSettingsClassComposer method createSettingsGetterMethods.

// TODO(miraleung): Consider merging this with createNestedBuilderSettingsGetterMethods.
private static List<MethodDefinition> createSettingsGetterMethods(Service service, TypeStore typeStore) {
    TypeNode stubSettingsType = typeStore.get(ClassNames.getServiceStubSettingsClassName(service));
    BiFunction<TypeNode, String, MethodDefinition.Builder> methodMakerFn = (retType, javaMethodName) -> MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setReturnType(retType).setName(javaMethodName).setReturnExpr(MethodInvocationExpr.builder().setExprReferenceExpr(CastExpr.builder().setType(stubSettingsType).setExpr(MethodInvocationExpr.builder().setMethodName("getStubSettings").setReturnType(FIXED_TYPESTORE.get("StubSettings")).build()).build()).setMethodName(javaMethodName).setReturnType(retType).build());
    List<MethodDefinition> javaMethods = new ArrayList<>();
    for (Method protoMethod : service.methods()) {
        String javaStyleName = JavaStyle.toLowerCamelCase(protoMethod.name());
        String javaMethodName = String.format("%sSettings", JavaStyle.toLowerCamelCase(protoMethod.name()));
        MethodDefinition.Builder methodBuilder = methodMakerFn.apply(getCallSettingsType(protoMethod, typeStore), javaMethodName);
        javaMethods.add(methodBuilder.setHeaderCommentStatements(SettingsCommentComposer.createCallSettingsGetterComment(getMethodNameFromSettingsVarName(javaMethodName), protoMethod.isDeprecated())).setAnnotations(protoMethod.isDeprecated() ? Arrays.asList(AnnotationNode.withType(TypeNode.DEPRECATED)) : Collections.emptyList()).build());
        if (protoMethod.hasLro()) {
            javaMethodName = String.format("%sOperationSettings", javaStyleName);
            methodBuilder = methodMakerFn.apply(getOperationCallSettingsType(protoMethod), javaMethodName);
            javaMethods.add(methodBuilder.setHeaderCommentStatements(SettingsCommentComposer.createCallSettingsGetterComment(getMethodNameFromSettingsVarName(javaMethodName), protoMethod.isDeprecated())).setAnnotations(protoMethod.isDeprecated() ? Arrays.asList(AnnotationNode.withType(TypeNode.DEPRECATED)) : Collections.emptyList()).build());
        }
    }
    return javaMethods;
}

Example 55 with Method

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

the class HttpJsonServiceStubClassComposer method createLongRunningClient.

@Override
protected List<Statement> createLongRunningClient(Service service, TypeStore typeStore) {
    Method pollingMethod = service.operationPollingMethod();
    if (pollingMethod != null) {
        Expr thisExpr = ValueExpr.withValue(ThisObjectValue.withType(typeStore.get(getTransportContext().classNames().getTransportServiceStubClassName(service))));
        VariableExpr callable = VariableExpr.withVariable(Variable.builder().setName(pollingMethod.name().toLowerCase() + "Callable").setType(TypeNode.withReference(ConcreteReference.withClazz(UnaryCallable.class))).build());
        VariableExpr methodDescriptor = VariableExpr.withVariable(Variable.builder().setName(pollingMethod.name().toLowerCase() + "MethodDescriptor").setType(TypeNode.withReference(ConcreteReference.withClazz(ApiMethodDescriptor.class))).build());
        TypeNode httpJsonLongRunningClientType = TypeNode.withReference(ConcreteReference.builder().setClazz(HttpJsonLongRunningClient.class).setGenerics(Arrays.asList(pollingMethod.inputType().reference(), pollingMethod.outputType().reference())).build());
        NewObjectExpr HttpJsonLongRunningClient = NewObjectExpr.builder().setType(httpJsonLongRunningClientType).setArguments(Arrays.asList(callable, MethodInvocationExpr.builder().setExprReferenceExpr(methodDescriptor).setMethodName("getOperationSnapshotFactory").build(), MethodInvocationExpr.builder().setExprReferenceExpr(methodDescriptor).setMethodName("getPollingRequestFactory").build())).build();
        AssignmentExpr assignLongRunningClient = AssignmentExpr.builder().setVariableExpr(VariableExpr.builder().setExprReferenceExpr(thisExpr).setVariable(Variable.builder().setName("longRunningClient").setType(TypeNode.withReference(ConcreteReference.withClazz(LongRunningClient.class))).build()).build()).setValueExpr(HttpJsonLongRunningClient).build();
        return Arrays.asList(ExprStatement.withExpr(assignLongRunningClient));
    } else {
        return Collections.emptyList();
    }
}