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Chapter 145. Ignite Events Component


Available as of Camel version 2.17

The Ignite Events endpoint is one of camel-ignite endpoints which allows you to receive events from the Ignite cluster by creating a local event listener.

This endpoint only supports consumers. The Exchanges created by this consumer put the received Event object into the body of the IN message.

145.1. Options

The Ignite Events component supports 4 options which are listed below.

Expand
NameDescriptionDefaultType

ignite (consumer)

Sets the Ignite instance.

 

Ignite

configurationResource (consumer)

Sets the resource from where to load the configuration. It can be a: URI, String (URI) or an InputStream.

 

Object

igniteConfiguration (consumer)

Allows the user to set a programmatic IgniteConfiguration.

 

IgniteConfiguration

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 Ignite Events endpoint is configured using URI syntax:

ignite-events:endpointId
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with the following path and query parameters:

145.1.1. Path Parameters (1 parameters):

Expand
NameDescriptionDefaultType

endpointId

The endpoint ID (not used).

 

String

145.1.2. Query Parameters (8 parameters):

Expand
NameDescriptionDefaultType

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

clusterGroupExpression (consumer)

The cluster group expression.

 

ClusterGroupExpression

events (consumer)

The event IDs to subscribe to as a Set directly where the IDs are the different constants in org.apache.ignite.events.EventType.

EventType.EVTS_ALL

Set<Integer>OrString

propagateIncomingBodyIfNo ReturnValue (consumer)

Sets whether to propagate the incoming body if the return type of the underlying Ignite operation is void.

true

boolean

treatCollectionsAsCache Objects (consumer)

Sets whether to treat Collections as cache objects or as Collections of items to insert/update/compute, etc.

false

boolean

exceptionHandler (consumer)

To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this options 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

synchronous (advanced)

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

false

boolean

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