class AliyunMns::Queue

Attributes

name[R]

Public Class Methods

[](name) click to toggle source
# File lib/aliyun_mns/queue.rb, line 9
def [] name
  Queue.new(name)
end
new(name) click to toggle source
# File lib/aliyun_mns/queue.rb, line 21
def initialize(name)
  @name = name
end
queues(opts = {}) click to toggle source
# File lib/aliyun_mns/queue.rb, line 13
def queues(opts = {})
  mqs_options = {query: "x-mns-prefix", offset: "x-mns-marker", size: "x-mns-ret-number"}
  mqs_headers = opts.slice(*mqs_options.keys).reduce({}) { |mqs_headers, item| k, v = *item; mqs_headers.merge!(mqs_options[k] => v) }
  response = Request.get("/queues", mqs_headers: mqs_headers)
  Hash.xml_array(response, "Queues", "Queue").collect { |item| Queue.new(URI(item["QueueURL"]).path.sub!(/^\/queues\//, "")) }
end

Public Instance Methods

create(opts = {}) click to toggle source

创建队列

# File lib/aliyun_mns/queue.rb, line 26
def create(opts = {})
  Request.put(queue_path) do |request|
    msg_options = {
        :VisibilityTimeout => 30,
        :DelaySeconds => 0,
        :MaximumMessageSize => 65536,
        :MessageRetentionPeriod => 345600,
        :PollingWaitSeconds => 0
    }.merge(opts)
    request.content(:Queue, msg_options)
  end
end
delete() click to toggle source

删除队列

# File lib/aliyun_mns/queue.rb, line 40
def delete
  Request.delete(queue_path)
end
messages_path() click to toggle source
# File lib/aliyun_mns/queue.rb, line 67
def messages_path
  "/queues/#{name}/messages"
end
queue_path() click to toggle source
# File lib/aliyun_mns/queue.rb, line 63
def queue_path
  "/queues/#{name}"
end
receive_message(wait_seconds = nil) click to toggle source

消费消息

# File lib/aliyun_mns/queue.rb, line 56
def receive_message(wait_seconds = nil)
  request_opts = {}
  request_opts.merge!(params: {waitseconds: wait_seconds}) if wait_seconds
  result = Request.get(messages_path, request_opts)
  Message.new(self, result)
end
send_message(message, opts = {}) click to toggle source

发送消息

# File lib/aliyun_mns/queue.rb, line 45
def send_message(message, opts = {})
  Request.post(messages_path) do |request|
    msg_options = {
        :DelaySeconds => 0,
        :Priority => 8
    }.merge(opts)
    request.content(:Message, msg_options.merge(:MessageBody => message.to_s))
  end
end