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Batch Consumer is basically a Polling Consumer that is capable of polling multiple Exchanges in a pool. What we have done in Camel 2.0 is to standardize this into a The interface org.apache.camel.BatchConsumer interface that should be implemented by a consumer can implement to indicate that it support supports batching as well.

The following components supports support the use of a Batch Consumer by its consumer:

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Consumer Options

The Batch Consumer supports the following options:

Option

Description

maxMessagesPerPoll

An integer to define a maximum messages to gather per poll. By default no maximum is set. Can be used to set a limit of e.g. 1000 to avoid when starting up the server that there are thousands of files. Set a value of of 0 or negative to disabled disable it.

Exchange Properties

The following properties is set on the Exchange for each Exchange polled in the same batch.

Property

Description

CamelBatchComplete

boolean indicating the last Exchange in the batch. Is only true for the last entry.

CamelBatchSize

The total number of Exchanges that was polled in this batch.

CamelBatchIndex

The current index of the batch. Starts from 0.

CamelBatchSize

The total number of Exchanges that was polled in this batch

CamelBatchComplete

A boolean indicating the last Exchange in the batch. Is only true for the last entry.

See Also