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Then you will need to tell the core which UpdateProcessorFactory to use, along with the parameter “source.field” that the processor will use and when to use this update processor. Here again, things are simplified in Datafari as you will only need to declare the update processor in the DATAFARI_HOME/solr/solrcloud/FileShare/conf/customs_solrconfig/custom_update_processors.incl file as followfollows:
| Code Block |
|---|
<processor class="com.francelabs.datafari.updateprocessor.ReplaceUrlUpdateProcessorFactory">
<str name="source.field">testurl</str>
</processor> |
Datafari is configured to call each custom update processor factories factory specified in this file (in the order they are declared) at the very end of the update processors chain. This guarantees that your custom update processors are actually executed, once all of the actions from the Datafari core code have already been executed.
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Through this example, you should have understood the bases : how to use parameters for an update processor, how to use it and how works a custom update processor works. You can now use the example update processor to develop your own.
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