What crawler framework does Alfresco use ?

[zengqingyi12]

I know alfresco use lucence to index and search content, but what framework dese alfresco used to acquire content ? Or build by yourself ? If possible please give me the location of those class for reference, thanks very much !

[derek]

Alfresco is not a search engine and we don't have any built-in crawlers.

[zengqingyi12]

Alfresco is not a search engine and we don't have any built-in crawlers.

Then if someone updated the content in alfresco, how can Lucene aware the change and index it as soon as possible ?

[derek]

org.alfresco.repo.node.index.NodeIndexer
Changes are published to the indexer on the fly.  A separate mechanism is used in the cluster to replay transactions back to the indexer.