io.infinitic.pulsar.resources.PulsarSubscription.kt Maven / Gradle / Ivy

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/**
 * "Commons Clause" License Condition v1.0
 *
 * The Software is provided to you by the Licensor under the License, as defined below, subject to
 * the following condition.
 *
 * Without limiting other conditions in the License, the grant of rights under the License will not
 * include, and the License does not grant to you, the right to Sell the Software.
 *
 * For purposes of the foregoing, “Sell” means practicing any or all of the rights granted to you
 * under the License to provide to third parties, for a fee or other consideration (including
 * without limitation fees for hosting or consulting/ support services related to the Software), a
 * product or service whose value derives, entirely or substantially, from the functionality of the
 * Software. Any license notice or attribution required by the License must also include this
 * Commons Clause License Condition notice.
 *
 * Software: Infinitic
 *
 * License: MIT License (https://opensource.org/licenses/MIT)
 *
 * Licensor: infinitic.io
 */
package io.infinitic.pulsar.resources

import io.infinitic.common.transport.ListenerSubscription
import io.infinitic.common.transport.MainSubscription
import io.infinitic.common.transport.Subscription
import org.apache.pulsar.client.api.SubscriptionInitialPosition
import org.apache.pulsar.client.api.SubscriptionType

val Subscription<*>.type
  get() = when (withKey) {
    true -> SubscriptionType.Key_Shared
    false -> SubscriptionType.Shared
  }

val Subscription<*>.defaultName
  get() = when (this) {
    // IMPORTANT: subscription name MUST stay UNCHANGED through all Infinitic versions
    // as Pulsar identify subscriptions through their name.
    // Changing it would create a new one, and users would lose the cursor on acknowledged messages
    is MainSubscription -> "${topic.prefix()}-subscription"
    // BUT users can change the listener subscription name on purpose to replay the events
    is ListenerSubscription -> "listener-subscription"
  }

val Subscription<*>.defaultNameDLQ
  get() = when (this) {
    is MainSubscription -> "${topic.prefix()}-subscription-dlq"
    is ListenerSubscription -> "listener-subscription-dlq"
  }

val Subscription<*>.defaultInitialPosition
  get() = when (this) {
    is MainSubscription -> SubscriptionInitialPosition.Earliest
    is ListenerSubscription -> SubscriptionInitialPosition.Latest
  }