Atomix Messaging Component

Available as of Camel version 2.20

The camel atomix-messaging component allows you to work with Atomix’s Group Messaging.

Maven users will need to add the following dependency to their pom.xml for this component:

    <dependency>
        <groupId>org.apache.camel</groupId>
        <artifactId>camel-atomix</artifactId>
        <version>${camel-version}</version>
    </dependency>

URI format

    atomix-messaging:group

The Atomix Messaging component supports 5 options, which are listed below.

Name Description Default Type

configuration (common)

The shared component configuration

AtomixMessaging Configuration

atomix (common)

The shared AtomixClient instance

AtomixClient

nodes (common)

The nodes the AtomixClient should connect to

List

configurationUri (common)

The path to the AtomixClient configuration

String

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 Atomix Messaging endpoint is configured using URI syntax:

atomix-messaging:resourceName

with the following path and query parameters:

Path Parameters (1 parameters):

Name Description Default Type

resourceName

Required The distributed resource name

String

Query Parameters (19 parameters):

Name Description Default Type

atomix (common)

The Atomix instance to use

Atomix

broadcastType (common)

The broadcast type.

ALL

BroadcastType

channelName (common)

The messaging channel name

String

configurationUri (common)

The Atomix configuration uri.

String

defaultAction (common)

The default action.

DIRECT

Action

memberName (common)

The Atomix Group member name

String

nodes (common)

The address of the nodes composing the cluster.

String

resultHeader (common)

The header that wil carry the result.

String

transport (common)

Sets the Atomix transport.

io.atomix.catalyst.transport.netty.NettyTransport

Transport

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

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

defaultResourceConfig (advanced)

The cluster wide default resource configuration.

Properties

defaultResourceOptions (advanced)

The local default resource options.

Properties

ephemeral (advanced)

Sets if the local member should join groups as PersistentMember or not. If set to ephemeral the local member will receive an auto generated ID thus the local one is ignored.

false

boolean

readConsistency (advanced)

The read consistency level.

ReadConsistency

resourceConfigs (advanced)

Cluster wide resources configuration.

Map

resourceOptions (advanced)

Local resources configurations

Map

synchronous (advanced)

Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).

false

boolean

Spring Boot Auto-Configuration

When using Spring Boot make sure to use the following Maven dependency to have support for auto configuration:

<dependency>
  <groupId>org.apache.camel</groupId>
  <artifactId>camel-atomix-starter</artifactId>
  <version>x.x.x</version>
  <!-- use the same version as your Camel core version -->
</dependency>

The component supports 10 options, which are listed below.

Name Description Default Type

camel.component.atomix-messaging.atomix

The shared AtomixClient instance. The option is a io.atomix.AtomixClient type.

String

camel.component.atomix-messaging.configuration-uri

The path to the AtomixClient configuration

String

camel.component.atomix-messaging.configuration.broadcast-type

The broadcast type.

AtomixMessaging$ BroadcastType

camel.component.atomix-messaging.configuration.channel-name

The messaging channel name

String

camel.component.atomix-messaging.configuration.default-action

The default action.

AtomixMessaging$Action

camel.component.atomix-messaging.configuration.member-name

The Atomix Group member name

String

camel.component.atomix-messaging.configuration.result-header

The header that wil carry the result.

String

camel.component.atomix-messaging.enabled

Whether to enable auto configuration of the atomix-messaging component. This is enabled by default.

Boolean

camel.component.atomix-messaging.nodes

The nodes the AtomixClient should connect to

List

camel.component.atomix-messaging.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