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Chapter 268. Apache Pulsar Component
Available as of Camel version 2.24
Maven users will need to add the following dependency to their pom.xml for this component.
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-pulsar</artifactId>
<!-- use the same version as your Camel core version -->
<version>x.y.z</version>
</dependency>268.1. URI format
pulsar:[persistent|non-persistent]://tenant/namespace/topic
268.2. Options
The Apache Pulsar component supports 3 options, which are listed below.
| Name | Description | Default | Type |
|---|---|---|---|
| autoConfiguration (common) | The pulsar autoconfiguration | AutoConfiguration | |
| pulsarClient (common) | The pulsar client | PulsarClient | |
| resolveProperty Placeholders (advanced) | Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders. | true | boolean |
The Apache Pulsar endpoint is configured using URI syntax:
pulsar:uri
with the following path and query parameters:
268.2.1. Path Parameters (1 parameters):
| Name | Description | Default | Type |
|---|---|---|---|
| topicUri | The Topic’s full URI path including type, tenant and namespace | String |
268.2.2. Query Parameters (11 parameters):
| Name | Description | Default | Type |
|---|---|---|---|
| bridgeErrorHandler (consumer) | Allows for bridging the consumer to the Camel routing Error Handler, which mean any exceptions occurred while the consumer is trying to pickup incoming messages, or the likes, will now be processed as a message and handled by the routing Error Handler. By default the consumer will use the org.apache.camel.spi.ExceptionHandler to deal with exceptions, that will be logged at WARN or ERROR level and ignored. | false | boolean |
| consumerName (consumer) | Name of the consumer when subscription is EXCLUSIVE | sole-consumer | String |
| consumerNamePrefix (consumer) | Prefix to add to consumer names when a SHARED or FAILOVER subscription is used | cons | String |
| consumerQueueSize (consumer) | Size of the consumer queue - defaults to 10 | 10 | int |
| numberOfConsumers (consumer) | Number of consumers - defaults to 1 | 1 | int |
| subscriptionName (consumer) | Name of the subscription to use | subscription | String |
| subscriptionType (consumer) | Type of the subscription EXCLUSIVESHAREDFAILOVER, defaults to EXCLUSIVE | EXCLUSIVE | SubscriptionType |
| exceptionHandler (consumer) | To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this option is not in use. By default the consumer will deal with exceptions, that will be logged at WARN or ERROR level and ignored. | ExceptionHandler | |
| exchangePattern (consumer) | Sets the exchange pattern when the consumer creates an exchange. | ExchangePattern | |
| producerName (producer) | Name of the producer | default-producer | String |
| synchronous (advanced) | Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported). | false | boolean |
268.3. Spring Boot Auto-Configuration
The component supports 3 options, which are listed below.
| Name | Description | Default | Type |
|---|---|---|---|
| camel.component.pulsar.enabled | Whether to enable auto configuration of the pulsar component. This is enabled by default. | Boolean | |
| camel.component.pulsar.pulsar-client | The pulsar client. The option is a org.apache.pulsar.client.api.PulsarClient type. | String | |
| camel.component.pulsar.resolve-property-placeholders | Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders. | true | Boolean |
