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docs(samples): updated samples code to use async await #1

Merged
merged 7 commits into from
Dec 11, 2018
Merged

docs(samples): updated samples code to use async await #1

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19a0921
replace promise with async await
Nov 15, 2018
625808d
fix(deps): update dependency google-gax to ^0.22.0 (#115)
renovate[bot] Nov 15, 2018
95dda2d
chore: add a synth.metadata
yoshi-automation Nov 19, 2018
3b74dc8
replace missed promises with await and async
Nov 20, 2018
73aee84
Merge branch 'master' into nodejs-dataproc-tb-01
praveenqlogic Nov 21, 2018
8777d87
replace callback with while
Nov 22, 2018
92b75c1
Merge branch 'nodejs-dataproc-tb-01' of https://github.com/praveenqlo…
Nov 22, 2018
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94 changes: 48 additions & 46 deletions samples/quickstart.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,60 +14,62 @@
*/

'use strict';
async function main() {
// [START dataproc_quickstart]
if (
!process.env.GCLOUD_PROJECT ||
!process.env.GOOGLE_APPLICATION_CREDENTIALS
) {
throw new Error(
'Usage: GCLOUD_PROJECT=<project_id> GOOGLE_APPLICATION_CREDENTIALS=<path to json key> node #{$0}'
);
}

// [START dataproc_quickstart]
if (
!process.env.GCLOUD_PROJECT ||
!process.env.GOOGLE_APPLICATION_CREDENTIALS
) {
throw new Error(
'Usage: GCLOUD_PROJECT=<project_id> GOOGLE_APPLICATION_CREDENTIALS=<path to json key> node #{$0}'
);
}

const dataproc = require('@google-cloud/dataproc');
const dataproc = require('@google-cloud/dataproc');

const client = new dataproc.v1.ClusterControllerClient({
// optional auth parameters.
});
const client = new dataproc.v1.ClusterControllerClient({
// optional auth parameters.
});

const projectId = process.env.GCLOUD_PROJECT;
const projectId = process.env.GCLOUD_PROJECT;

// Iterate over all elements.
const region = 'global';
const request = {
projectId: projectId,
region: region,
};
// Iterate over all elements.
const region = 'global';
const request = {
projectId: projectId,
region: region,
};

client.listClusters(request).then(responses => {
const resources = responses[0];
const [resources] = await client.listClusters(request);
console.log('Total resources:', resources.length);
for (let i = 0; i < resources.length; i += 1) {
console.log(resources[i]);
}
});

// Or obtain the paged response.
const options = {autoPaginate: false};
const callback = responses => {
// The actual resources in a response.
const resources = responses[0];
// The next request if the response shows that there are more responses.
const nextRequest = responses[1];
// The actual response object, if necessary.
// const rawResponse = responses[2];
for (let i = 0; i < resources.length; i += 1) {
console.log(resources[i]);
}
if (nextRequest) {
// Fetch the next page.
return client.listClusters(nextRequest, options).then(callback);
}
};
client.listClusters(request, options).then(callback);
// Or obtain the paged response.
const options = {autoPaginate: false};
const callback = async responses => {
// The actual resources in a response.
const resources = responses[0];
// The next request if the response shows that there are more responses.
const nextRequest = responses[1];
// The actual response object, if necessary.
// const rawResponse = responses[2];
for (let i = 0; i < resources.length; i += 1) {
console.log(resources[i]);
}
if (nextRequest) {
// Fetch the next page.
const response = await client.listClusters(nextRequest, options);
return callback(response);
}
};
const response = await client.listClusters(request, options);
callback(response);
client.listClustersStream(request).on('data', element => {
console.log(element);
});
// [END dataproc_quickstart]
}

client.listClustersStream(request).on('data', element => {
console.log(element);
});
// [END dataproc_quickstart]
main().catch(console.error);