Chapter 159. Ignite Queues Component

Available as of Camel version 2.17

The Ignite Queue endpoint is one of camel-ignite endpoints which allows you to interact with Ignite Queue data structures.

This endpoint only supports producers.

159.1. Options

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

Name	Description	Default	Type
ignite (producer)	Sets the Ignite instance.		Ignite
configurationResource (producer)	Sets the resource from where to load the configuration. It can be a: URI, String (URI) or an InputStream.		Object
igniteConfiguration (producer)	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 Queues endpoint is configured using URI syntax:

ignite-queue:name

with the following path and query parameters:

Name	Description	Default	Type
name	Required The queue name.		String

Name	Description	Default	Type
capacity (producer)	The queue capacity. Default: non-bounded.		int
configuration (producer)	The collection configuration. Default: empty configuration. You can also conveniently set inner properties by using configuration.xyz=123 options.		CollectionConfiguration
operation (producer)	The operation to invoke on the Ignite Queue. Superseded by the IgniteConstants.IGNITE_QUEUE_OPERATION header in the IN message. Possible values: CONTAINS, ADD, SIZE, REMOVE, ITERATOR, CLEAR, RETAIN_ALL, ARRAY, DRAIN, ELEMENT, PEEK, OFFER, POLL, TAKE, PUT.		IgniteQueueOperation
propagateIncomingBodyIfNo ReturnValue (producer)	Sets whether to propagate the incoming body if the return type of the underlying Ignite operation is void.	true	boolean
timeoutMillis (producer)	The queue timeout in milliseconds. Default: no timeout.		Long
treatCollectionsAsCache Objects (producer)	Sets whether to treat Collections as cache objects or as Collections of items to insert/update/compute, etc.	false	boolean
synchronous (advanced)	Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).	false	boolean

This endpoint uses the following headers:

Header name	Constant	Expected type	Description
CamelIgniteQueueOperation	IgniteConstants.IGNITE_QUEUE_OPERATION	IgniteQueueOperation enum	Allows you to dynamically change the queue operation.
CamelIgniteQueueMaxElements	IgniteConstants.IGNITE_QUEUE_MAX_ELEMENTS	Integer or int	When invoking the DRAIN operation, the amount of items to drain.
CamelIgniteQueueTransferredCount	IgniteConstants.IGNITE_QUEUE_TRANSFERRED_COUNT	Integer or int	The amount of items transferred as the result of the DRAIN operation.
CamelIgniteQueueTimeoutMillis	IgniteConstants.IGNITE_QUEUE_TIMEOUT_MILLIS	Long or long	Dynamically sets the timeout in milliseconds to use when invoking the OFFER or POLL operations.