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package amqp
import (
"github.com/spiral/errors"
)
func (j *JobConsumer) initRabbitMQ() error {
const op = errors.Op("jobs_plugin_rmq_init")
// Channel opens a unique, concurrent server channel to process the bulk of AMQP
// messages. Any error from methods on this receiver will render the receiver
// invalid and a new Channel should be opened.
channel, err := j.conn.Channel()
if err != nil {
return errors.E(op, err)
}
// declare an exchange (idempotent operation)
err = channel.ExchangeDeclare(
j.exchangeName,
j.exchangeType,
true,
false,
false,
false,
nil,
)
if err != nil {
return errors.E(op, err)
}
// verify or declare a queue
q, err := channel.QueueDeclare(
j.queue,
false,
false,
j.exclusive,
false,
nil,
)
if err != nil {
return errors.E(op, err)
}
// bind queue to the exchange
err = channel.QueueBind(
q.Name,
j.routingKey,
j.exchangeName,
false,
nil,
)
if err != nil {
return errors.E(op, err)
}
return channel.Close()
}
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