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W/o Durability

module com.wordpress.simplesassim.activemq

import javax.jms.Session

import org.apache.activemq.ActiveMQConnectionFactory

function main = |args| {
  let connFactory = ActiveMQConnectionFactory()

  let conn = connFactory: createConnection()

  let sess = conn: createSession(false, Session.AUTO_ACKNOWLEDGE())

  let dest = sess: createTopic("SampleTopic")

  let cons = sess: createConsumer(dest)

  conn: start()

  let msg = cons: receive()

  println(msg)

  conn: close()
}

W/ Durability

module com.wordpress.simplesassim.activemq

import javax.jms.Session

import org.apache.activemq.ActiveMQConnectionFactory

function main = |args| {
  let connFactory = ActiveMQConnectionFactory()

  let conn = connFactory: createConnection()

  conn: setClientID("SampleClient")

  let sess = conn: createSession(false, Session.AUTO_ACKNOWLEDGE())

  let dest = sess: createTopic("SampleTopic")

  let cons = sess: createDurableSubscriber(dest, "SampleSubscription")

  conn: start()

  let msg = cons: receive()

  println(msg)

  conn: close()
}