event-bus

问题 We have a case as below: The concern is that, the Coordinator sends out a message from a method context and gets the reponse from another: private void forwardToVWClient(Message msg) { vertx.eventBus().send(RESTClient.ADDRESS, msg.body(), deliveryOptions, res -> { if (res.succeeded()) { log.info("forwardToVWClient. VW got result : success."); // do not reply ok until we get an OK from the Listener verticle } else { log.error("forwardToVWClient VW got result : failure."); msg.fail(500, res

问题 I'm looping root component, which have with child component. <root-select v-for="offer in offers" > <child-options v-for="item in options" > </child-options> </root-select> But, when I $emit root function from child, all my roots component changed those data. child: EventBus.$emit('toggle', value); root: EventBus.$on('toggle', this.toggle); But I need, that data changes only in triggered component. Thanks. 回答1: Try not to use Event bus to emit. Use normal Emit way to emit from child to parent

问题 My case is: single JVM Java only (i don't need to be polyglot) I don't want to pay serialization costs to publish an immutable event on the bus (publishing the reference to the java object would work). I understand the scope of the vert.x event bus is much broader than my use case. I had in mind a behaviour similar to akka: when you go distributed you have to provide serialization for your messages, if you stay local references get passed. Is there anything that would allow me to do that in

问题 My case is: single JVM Java only (i don't need to be polyglot) I don't want to pay serialization costs to publish an immutable event on the bus (publishing the reference to the java object would work). I understand the scope of the vert.x event bus is much broader than my use case. I had in mind a behaviour similar to akka: when you go distributed you have to provide serialization for your messages, if you stay local references get passed. Is there anything that would allow me to do that in

问题 Listen for custom events for the bus in component b. However, after dispatching events in component a, it accesses component b. the listening function of component b is executed, but msg of data function is not updated Please don't say Vuex . The relevant code is based on Vue CLi3 Here code: Component A: <template> <div> Component A <button @click="sendMsg">pushB</button> </div> </template> <script> import bus from './bus' export default { methods: { sendMsg() { bus.$emit('send', 'hello

问题 We have the first version of an application based on a microservice architecture. We used REST for external and internal communication. Now we want to switch to AP from CP (CAP theorem)* and use a message bus for communication between microservices. There is a lot of information about how to create an event bus based on Kafka, RabbitMQ, etc. But I can't find any best practices for a combination of REST and messaging. For example, you create a car service and you need to add different car

问题 We have the first version of an application based on a microservice architecture. We used REST for external and internal communication. Now we want to switch to AP from CP (CAP theorem)* and use a message bus for communication between microservices. There is a lot of information about how to create an event bus based on Kafka, RabbitMQ, etc. But I can't find any best practices for a combination of REST and messaging. For example, you create a car service and you need to add different car

问题 In a single file component I made a checkbox array: <label v-for="(category, index) in categories" :key="index" > <input type="checkbox" :value="category.value" @change="emitSearchValue"> <span class="ml-2 text-gray-700 capitalize">{{ category.value }}</span> </label> With EventBus I transfer the data to the List component: methods: { emitSearchValue() { EventBus.$emit('checked-value', 'this.checkedCategories') } } In the List component I listen for the EventBus: created() { EventBus.$on(

问题 In a single file component I made a checkbox array: <label v-for="(category, index) in categories" :key="index" > <input type="checkbox" :value="category.value" @change="emitSearchValue"> <span class="ml-2 text-gray-700 capitalize">{{ category.value }}</span> </label> With EventBus I transfer the data to the List component: methods: { emitSearchValue() { EventBus.$emit('checked-value', 'this.checkedCategories') } } In the List component I listen for the EventBus: created() { EventBus.$on(

问题 Currently, I am using an EventBus/PubSub architecture/pattern with Scala (and JavaFX) to implement a simple note organizing app (sort of like an Evernote client with some added mind mapping functionality) and I have to say that I really like EventBus over the observer pattern. Here are some EventBus libraries : https://code.google.com/p/guava-libraries/wiki/EventBusExplained http://eventbus.org (currently seems to be down) this is the one I am using in my implementation. http://greenrobot