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Simple use of EventBus Android EventBus and eventbus Android EventBus The basic steps are as follows. Click this link to view the example and introduction. Define the event type:'Public class MyEvent {}' Define event handling methods:'Public void oneventmainthread' Subscriber registration:'Eventbus. getDefault (). register (this )' Send event:'Eventbus. getDefault (). post (new MyEvent ())' I. Implementation ** EventBus ** is easy to use, but if

the local operation published, you can choose "This account". 3. Also encountered a non-signed subscription, "Do not allow the requested signature subscription", obviously published and subscribers both Registered, and both sides have established Subscriber account number, Reason: In this step, point to register the server, and then cannot select the default analog SQL login, and is to select Use SQL Authentication, and then enter a name and password

.jpg "title =" slide 11.JPG" alt = "181346160.jpg"/> Use APIs in the public API to Implement Message producers. interfaces such as Connection, Session, Destination, and MessageProducer in the public API are used. When creating destination, call the createTopic method and createQueue method to create the topic and queue respectively. 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/1436005013-5.jpg "title =" slide 12.JPG" alt = "181411646.jpg"/> We a

RxJavaareAndroidBecome more and more popular among developers. The only problem is that it's not easy to get started, especially when most people use imperative programming languages. But once you figure it out, you'll find Rxjava really great. Here is just to help you understand Rxjava, the entire series A total of four articles, I hope you read these four articles can understand Rxjava behind the thought, and like Rxjava.BasisRxjava's core two things are observables (Observer, event source) an

Original link Rxjava is becoming increasingly popular with Android developers. The only problem is that it's not easy to get started, especially when most people use an imperative programming language. But once you figure it out, you'll find Rxjava really great.Here is just to help you understand Rxjava, the whole series has four articles, I hope you read these four articles can understand Rxjava behind the thought, and like Rxjava.Base The two core Rxjava are observables (observed, event source

type. Typically, the class diagram for an observer pattern is this:ObserverIf you are not familiar with the observer pattern, it is highly recommended that you study it first. A detailed introduction to the observer pattern can be found in my previous article: The Observer pattern of the design patternExtended Observer patternThere are 4 main roles in Rxjava: Observable Subject Observer Subscriber Observable and subject

. In addition to deciding which data will be replicated, publishers want to detect which replicated data has changed and replicate these changes to the Distributor's distribution database. (3) Distributors A Distributor is a server that sends copies of data or transactions from publishers to the appropriate subscribers, and is responsible for maintaining the distribution database. (4) Subscribers A subscriber is a copy machine that stores replicat

Directory Design Focus Flow chart Pseudo code2.1. Publishevent2.2. Subscribeevent2.3. Publisher2.4. Subscriber Micro-Service Strong consistency3.1 Publisher3.2 Subscriber Event Bus-cross-service final consistency4.1 Publisher Subscriber All open local transactions, ensuring strong consistency4.2 Problem Scenario One: What happens when ③

Ervice broker implements a complete set of publish-subscribe solutions, in which author sends the service broker message (also known as article) to the publisher (publisher ). The publisher is responsible for distributing messages to different subscribers (subscriber ). Each subscriber accepts specific messages through subscription. Describes this publish-subscribe solution:The following describes how to im

First,database replication involves1. Publishing Server:The source server for the data, maintains the source data, determines what data will be distributed, detects which data has been modified, and submits that information to the Distributor.2. Distribution server:The Distributor is responsible for transferring data from the Publisher to the Subscriber. 3. Subscriber server:A

1. Overview of publishing/subscription models The publish-and-subscribe model is usually abbreviated as the pub/Sub Model. In this model, the message producer becomes the publisher, and the message consumer is called the subscribe ). In the point-to-point model, messages are sent to a queue, while the publish/subscribe model publishes messages to a topic. The most important features of the publishing/subscription model are as follows: Messages are exchanged through a virtual channel c

one or morePublish, each publication represents a set of logically related data. In addition to specifying which of the data needs to be replicated, publish the clothingThe service also detects data that has changed during transactional replication and maintains information about all publications on this site. Distribution serverA Distributor is a server that hosts and stores historical data and/or transactions and metadata as a distribution database. DistributeThe role of the server diff