Differbetween
A queue means a message goes to one and only one possible subscriber. A topic goes to each and every subscriber. Topics are for the publisher-subscriber model, while queues are for point-to-point. A JMS topic is the type of destination in a 1-to-many model of distribution.
- What is a topic in MQ?
- What is topic in messaging system?
- What is Queue and Topic in ActiveMQ?
- What is topic in Azure Service Bus?
- What is a topic string?
- How do you define a topic?
- What are queues and topics?
- What is topic in Java?
- What is the topic or message What are the facts?
- Who uses ActiveMQ?
- What is a JMS queue?
- How does ActiveMQ queue work?
What is a topic in MQ?
A topic object is an IBM® MQ object that allows you to assign specific, non-default attributes to topics. A topic is defined by an application publishing or subscribing to a particular topic string . A topic string can specify a hierarchy of topics by separating them with a forward slash character (/).
What is topic in messaging system?
Topics. A topic is the subject of the information that is published in a publish/subscribe message. Messages in point-to-point systems are sent to a specific destination address. ... In content-based systems, messages are sent to subscribers based on the contents of the message itself.
What is Queue and Topic in ActiveMQ?
ActiveMQ queue is a pipeline of messages where a message comes in and goes to just one subscriber. ActiveMQ topic is a pipeline of messages where a message comes in and goes to every subscriber. Both ActiveMQ queue and ActiveMQ topic are places where messages are sent. The difference is in who receives the message.
What is topic in Azure Service Bus?
A Service Bus topic provides an endpoint for sender applications to send messages. A topic can have one or more subscriptions. Each subscription of a topic gets a copy of the message sent to the topic. For more information about Service Bus topics, see What is Azure Service Bus?.
What is a topic string?
A topic string is a character string that identifies the topic of a publish/subscribe message. You can use any characters you like when you construct a topic string.
How do you define a topic?
A topic is the main organizing principle of a discussion, either verbal or written. Topics offer us an occasion for speaking or writing and a focus which governs what we say. They are the subject matter of our conversations, and the avenues by which we arrive at other subjects of conversations.
What are queues and topics?
Queue is JMS managed object used for holding messages waiting for subscribers to consume. When all subscribers consumed the message , message will be removed from queue. Topic is that all subscribers to a topic receive the same message when the message is published.
What is topic in Java?
It is the way a client specifies the identity of a topic to JMS API methods. For those methods that use a Destination as a parameter, a Topic object may used as an argument . For example, a Topic can be used to create a MessageConsumer and a MessageProducer by calling: Session. CreateConsumer(Destination destination)
What is the topic or message What are the facts?
Answer: message are statements that reflect the views or ideas that people have about subjects and topics. Facts are statements that are true and can be verified objectively or proven.
Who uses ActiveMQ?
69 companies reportedly use ActiveMQ in their tech stacks, including Intuit, Awin, and commercetools.
What is a JMS queue?
JMS queue. A staging area that contains messages that have been sent and are waiting to be read (by only one consumer). As the name queue suggests, the messages are delivered in the order sent. A JMS queue guarantees that each message is processed only once.
How does ActiveMQ queue work?
How does ActiveMQ work?
- a queue, where it awaits delivery to a single consumer (in a messaging domain called point-to-point), or.
- a topic, to be delivered to multiple consumers that are subscribed to that topic (in a messaging domain called publish/subscribe, or “pub/sub”)
