FM / longRunningCalls

/var/www/qr4y.com/server/delivery/node_modules/google-gax/build/src/longRunningCalls/

/var/www/qr4y.com/server/delivery/node_modules/google-gax/build/src/longRunningCalls

Name	Size	Mode	Actions
longrunning.d.ts	5496	0644	edit dl rm
longrunning.js	11008	0644	edit dl rm
longrunning.js.map	6708	0644	edit dl rm
longRunningApiCaller.d.ts	1853	0644	edit dl rm
longRunningApiCaller.js	2584	0644	edit dl rm
longRunningApiCaller.js.map	1438	0644	edit dl rm
longRunningDescriptor.d.ts	1357	0644	edit dl rm
longRunningDescriptor.js	1287	0644	edit dl rm
longRunningDescriptor.js.map	469	0644	edit dl rm

Edit: /var/www/qr4y.com/server/delivery/node_modules/google-gax/build/src/longRunningCalls/longrunning.js (11008B)

"use strict";
/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.operation = exports.Operation = void 0;
const events_1 = require("events");
const status_1 = require("../status");
const googleError_1 = require("../googleError");
const operationProtos = require("../../protos/operations");
class Operation extends events_1.EventEmitter {
    /**
     * Wrapper for a google.longrunnung.Operation.
     *
     * @constructor
     *
     * @param {google.longrunning.Operation} grpcOp - The operation to be wrapped.
     * @param {LongRunningDescriptor} longrunningDescriptor - This defines the
     * operations service client and unpacking mechanisms for the operation.
     * @param {BackoffSettings} backoffSettings - The backoff settings used in
     * in polling the operation.
     * @param {CallOptions} callOptions - CallOptions used in making get operation
     * requests.
     */
    constructor(grpcOp, longrunningDescriptor, backoffSettings, callOptions) {
        super();
        this.completeListeners = 0;
        this.hasActiveListeners = false;
        this.latestResponse = grpcOp;
        this.name = this.latestResponse.name;
        this.done = this.latestResponse.done;
        this.error = this.latestResponse.error;
        this.longrunningDescriptor = longrunningDescriptor;
        this.result = null;
        this.metadata = null;
        this.backoffSettings = backoffSettings;
        this._unpackResponse(grpcOp);
        this._listenForEvents();
        this._callOptions = callOptions;
    }
    /**
     * Begin listening for events on the operation. This method keeps track of how
     * many "complete" listeners are registered and removed, making sure polling
     * is handled automatically.
     *
     * As long as there is one active "complete" listener, the connection is open.
     * When there are no more listeners, the polling stops.
     *
     * @private
     */
    _listenForEvents() {
        this.on('newListener', event => {
            if (event === 'complete') {
                this.completeListeners++;
                if (!this.hasActiveListeners) {
                    this.hasActiveListeners = true;
                    this.startPolling_();
                }
            }
        });
        this.on('removeListener', event => {
            if (event === 'complete' && --this.completeListeners === 0) {
                this.hasActiveListeners = false;
            }
        });
    }
    /**
     * Cancels current polling api call and cancels the operation.
     *
     * @return {Promise} the promise of the OperationsClient#cancelOperation api
     * request.
     */
    cancel() {
        if (this.currentCallPromise_) {
            this.currentCallPromise_.cancel();
        }
        const operationsClient = this.longrunningDescriptor.operationsClient;
        const cancelRequest = new operationProtos.google.longrunning.CancelOperationRequest();
        cancelRequest.name = this.latestResponse.name;
        return operationsClient.cancelOperation(cancelRequest);
    }
    getOperation(callback) {
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        const self = this;
        const operationsClient = this.longrunningDescriptor.operationsClient;
        function promisifyResponse() {
            if (!callback) {
                return new Promise((resolve, reject) => {
                    if (self.latestResponse.error) {
                        const error = new googleError_1.GoogleError(self.latestResponse.error.message);
                        error.code = self.latestResponse.error.code;
                        reject(error);
                    }
                    else {
                        resolve([self.result, self.metadata, self.latestResponse]);
                    }
                });
            }
            return;
        }
        if (this.latestResponse.done) {
            this._unpackResponse(this.latestResponse, callback);
            return promisifyResponse();
        }
        const request = new operationProtos.google.longrunning.GetOperationRequest();
        request.name = this.latestResponse.name;
        this.currentCallPromise_ = operationsClient.getOperationInternal(request, this._callOptions);
        const noCallbackPromise = this.currentCallPromise_.then(responses => {
            self.latestResponse = responses[0];
            self._unpackResponse(responses[0], callback);
            return promisifyResponse();
        });
        if (!callback) {
            return noCallbackPromise;
        }
    }
    _unpackResponse(op, callback) {
        const responseDecoder = this.longrunningDescriptor.responseDecoder;
        const metadataDecoder = this.longrunningDescriptor.metadataDecoder;
        let response;
        let metadata;
        if (op.done) {
            if (op.result === 'error') {
                const error = new googleError_1.GoogleError(op.error.message);
                error.code = op.error.code;
                this.error = error;
                if (callback) {
                    callback(error);
                }
                return;
            }
            if (responseDecoder && op.response) {
                this.response = op.response;
                response = responseDecoder(op.response.value);
                this.result = response;
                this.done = true;
            }
        }
        if (metadataDecoder && op.metadata) {
            metadata = metadataDecoder(op.metadata.value);
            this.metadata = metadata;
        }
        if (callback) {
            callback(null, response, metadata, op);
        }
    }
    /**
     * Poll `getOperation` to check the operation's status. This runs a loop to
     * ping using the backoff strategy specified at initialization.
     *
     * Note: This method is automatically called once a "complete" event handler
     * is registered on the operation.
     *
     * @private
     */
    startPolling_() {
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        const self = this;
        let now = new Date();
        const delayMult = this.backoffSettings.retryDelayMultiplier;
        const maxDelay = this.backoffSettings.maxRetryDelayMillis;
        let delay = this.backoffSettings.initialRetryDelayMillis;
        let deadline = Infinity;
        if (this.backoffSettings.totalTimeoutMillis) {
            deadline = now.getTime() + this.backoffSettings.totalTimeoutMillis;
        }
        let previousMetadataBytes;
        if (this.latestResponse.metadata) {
            previousMetadataBytes = this.latestResponse.metadata.value;
        }
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        function emit(event, ...args) {
            self.emit(event, ...args);
        }
        // Helper function to replace nodejs buffer's equals()
        function arrayEquals(a, b) {
            if (a.byteLength !== b.byteLength) {
                return false;
            }
            for (let i = 0; i < a.byteLength; ++i) {
                if (a[i] !== b[i])
                    return false;
            }
            return true;
        }
        function retry() {
            if (!self.hasActiveListeners) {
                return;
            }
            if (now.getTime() >= deadline) {
                const error = new googleError_1.GoogleError('Total timeout exceeded before any response was received');
                error.code = status_1.Status.DEADLINE_EXCEEDED;
                setImmediate(emit, 'error', error);
                return;
            }
            self.getOperation((err, result, metadata, rawResponse) => {
                if (err) {
                    setImmediate(emit, 'error', err);
                    return;
                }
                if (!result) {
                    if (rawResponse.metadata &&
                        (!previousMetadataBytes ||
                            (rawResponse &&
                                !arrayEquals(rawResponse.metadata.value, previousMetadataBytes)))) {
                        setImmediate(emit, 'progress', metadata, rawResponse);
                        previousMetadataBytes = rawResponse.metadata.value;
                    }
                    // special case: some APIs fail to set either result or error
                    // but set done = true (e.g. speech with silent file).
                    // Some APIs just use this for the normal completion
                    // (e.g. nodejs-contact-center-insights), so let's just return
                    // an empty response in this case.
                    if (rawResponse.done) {
                        setImmediate(emit, 'complete', {}, metadata, rawResponse);
                        return;
                    }
                    setTimeout(() => {
                        now = new Date();
                        delay = Math.min(delay * delayMult, maxDelay);
                        retry();
                    }, delay);
                    return;
                }
                setImmediate(emit, 'complete', result, metadata, rawResponse);
            });
        }
        retry();
    }
    /**
     * Wraps the `complete` and `error` events in a Promise.
     *
     * @return {promise} - Promise that resolves on operation completion and rejects
     * on operation error.
     */
    promise() {
        return new Promise((resolve, reject) => {
            this.on('error', reject).on('complete', (result, metadata, rawResponse) => {
                resolve([result, metadata, rawResponse]);
            });
        });
    }
}
exports.Operation = Operation;
/**
 * Method used to create Operation objects.
 *
 * @constructor
 *
 * @param {google.longrunning.Operation} op - The operation to be wrapped.
 * @param {LongRunningDescriptor} longrunningDescriptor - This defines the
 * operations service client and unpacking mechanisms for the operation.
 * @param {BackoffSettings} backoffSettings - The backoff settings used in
 * in polling the operation.
 * @param {CallOptions=} callOptions - CallOptions used in making get operation
 * requests.
 */
function operation(op, longrunningDescriptor, backoffSettings, callOptions) {
    return new Operation(op, longrunningDescriptor, backoffSettings, callOptions);
}
exports.operation = operation;
//# sourceMappingURL=longrunning.js.map

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