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@codefresh-io/cf-queue
Advanced tools
var Queue = require('cf-queue');
var options = {
servers: [
'nats://localhost:4222'
]
};
var queue = new Queue('queue-name', options);
The same initalization code is used by the clien and worker sides.
When a client would like to push request into the queue it should use the queue request function and pass the request object.
var request = {
id: 1,
message: 'hello'
}
queue.request(request)
.then(function(response) {
console.log(response);
})
.catch(function(err) {
console.error(err);
});
queue.process(function(job, callback) {
var request = job.request;
var response = {
id: request.id,
message: request.message + ' world !!!'
};
callback(null, response);
}
As first parameter for the callback you can return error message or object that will be sent back to the client as error.
When a client would like to push request into the queue it should use the queue request function and pass the request object.
var request = {
id: 1,
message: 'hello'
}
queue.request(request)
.then(function(response) {
console.log(response);
})
.progress(function(message) {
console.log('PROGRESS >>> ' + message);
})
.catch(function(err) {
console.error(err);
});
queue.process(function(job, callback) {
var request = job.request;
var response = {
id: request.id,
message: request.message + ' world !!!'
};
var counter = 0;
var sendProgress = function() {
counter++;
job.progress('Step ' + counter + ' in ' + request.id);
if (counter === 5) {
callback(null, response);
} else {
setTimeout(sendProgress, 500);
}
};
sendProgress();
}
You can see example of how to use the queue in Docker in the attached Dockerfile and docker compose file. The docker compose file load one client, two workers and the queue server.
FAQs
Queue wrapper for nats.io
The npm package @codefresh-io/cf-queue receives a total of 12 weekly downloads. As such, @codefresh-io/cf-queue popularity was classified as not popular.
We found that @codefresh-io/cf-queue demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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