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fix: allow passing gax instance to client constructor (#110)
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PiperOrigin-RevId: 470911839

Source-Link: googleapis/googleapis@3527566

Source-Link: googleapis/googleapis-gen@f16a1d2
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjE2YTFkMjI0ZjAwYTYzMGVhNDNkNmE5YTFhMzFmNTY2ZjQ1Y2RlYSJ9

feat: accept google-gax instance as a parameter
Please see the documentation of the client constructor for details.

PiperOrigin-RevId: 470332808

Source-Link: googleapis/googleapis@d4a2367

Source-Link: googleapis/googleapis-gen@e97a1ac
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTk3YTFhYzIwNGVhZDRmZTczNDFmOTFlNzJkYjdjNmFjNjAxNjM0MSJ9
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gcf-owl-bot[bot] authored Sep 1, 2022
1 parent 5b95a56 commit eda55d3
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Showing 2 changed files with 150 additions and 109 deletions.
70 changes: 43 additions & 27 deletions packages/google-api-serviceusage/src/v1/service_usage_client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,8 @@
// ** All changes to this file may be overwritten. **

/* global window */
import * as gax from 'google-gax';
import {
import type * as gax from 'google-gax';
import type {
Callback,
CallOptions,
Descriptors,
Expand All @@ -28,7 +28,6 @@ import {
PaginationCallback,
GaxCall,
} from 'google-gax';

import {Transform} from 'stream';
import * as protos from '../../protos/protos';
import jsonProtos = require('../../protos/protos.json');
Expand All @@ -38,7 +37,6 @@ import jsonProtos = require('../../protos/protos.json');
* This file defines retry strategy and timeouts for all API methods in this library.
*/
import * as gapicConfig from './service_usage_client_config.json';
import {operationsProtos} from 'google-gax';
const version = require('../../../package.json').version;

/**
Expand Down Expand Up @@ -102,8 +100,18 @@ export class ServiceUsageClient {
* Pass "rest" to use HTTP/1.1 REST API instead of gRPC.
* For more information, please check the
* {@link https://github.com/googleapis/gax-nodejs/blob/main/client-libraries.md#http11-rest-api-mode documentation}.
* @param {gax} [gaxInstance]: loaded instance of `google-gax`. Useful if you
* need to avoid loading the default gRPC version and want to use the fallback
* HTTP implementation. Load only fallback version and pass it to the constructor:
* ```
* const gax = require('google-gax/build/src/fallback'); // avoids loading google-gax with gRPC
* const client = new ServiceUsageClient({fallback: 'rest'}, gax);
* ```
*/
constructor(opts?: ClientOptions) {
constructor(
opts?: ClientOptions,
gaxInstance?: typeof gax | typeof gax.fallback
) {
// Ensure that options include all the required fields.
const staticMembers = this.constructor as typeof ServiceUsageClient;
const servicePath =
Expand All @@ -123,8 +131,13 @@ export class ServiceUsageClient {
opts['scopes'] = staticMembers.scopes;
}

// Load google-gax module synchronously if needed
if (!gaxInstance) {
gaxInstance = require('google-gax') as typeof gax;
}

// Choose either gRPC or proto-over-HTTP implementation of google-gax.
this._gaxModule = opts.fallback ? gax.fallback : gax;
this._gaxModule = opts.fallback ? gaxInstance.fallback : gaxInstance;

// Create a `gaxGrpc` object, with any grpc-specific options sent to the client.
this._gaxGrpc = new this._gaxModule.GrpcClient(opts);
Expand Down Expand Up @@ -250,7 +263,7 @@ export class ServiceUsageClient {
this.innerApiCalls = {};

// Add a warn function to the client constructor so it can be easily tested.
this.warn = gax.warn;
this.warn = this._gaxModule.warn;
}

/**
Expand Down Expand Up @@ -465,7 +478,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -568,7 +581,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -682,7 +695,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand All @@ -708,11 +721,12 @@ export class ServiceUsageClient {
protos.google.api.serviceusage.v1.OperationMetadata
>
> {
const request = new operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const request =
new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const [operation] = await this.operationsClient.getOperation(request);
const decodeOperation = new gax.Operation(
const decodeOperation = new this._gaxModule.Operation(
operation,
this.descriptors.longrunning.enableService,
this._gaxModule.createDefaultBackoffSettings()
Expand Down Expand Up @@ -839,7 +853,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand All @@ -865,11 +879,12 @@ export class ServiceUsageClient {
protos.google.api.serviceusage.v1.OperationMetadata
>
> {
const request = new operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const request =
new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const [operation] = await this.operationsClient.getOperation(request);
const decodeOperation = new gax.Operation(
const decodeOperation = new this._gaxModule.Operation(
operation,
this.descriptors.longrunning.disableService,
this._gaxModule.createDefaultBackoffSettings()
Expand Down Expand Up @@ -995,7 +1010,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand All @@ -1021,11 +1036,12 @@ export class ServiceUsageClient {
protos.google.api.serviceusage.v1.OperationMetadata
>
> {
const request = new operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const request =
new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
{name}
);
const [operation] = await this.operationsClient.getOperation(request);
const decodeOperation = new gax.Operation(
const decodeOperation = new this._gaxModule.Operation(
operation,
this.descriptors.longrunning.batchEnableServices,
this._gaxModule.createDefaultBackoffSettings()
Expand Down Expand Up @@ -1148,7 +1164,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -1195,7 +1211,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listServices'];
Expand Down Expand Up @@ -1251,7 +1267,7 @@ export class ServiceUsageClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listServices'];
Expand Down
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