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A set of common classes for queries mostly targeted at Lucene
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A set of common classes for full-text search queries mostly targeted at Lucene. I originally wrote these while working at Ingenta on their Bingo full text search service. Bingo pre-dated Solr. Using the Lucene search syntax was cumbersome and, if I remember correctly, not all Lucene query features could be used with it. In any case, it made more sense to construct a query as a Java data structure that could then be manipulated by data structure vistors. Using the visitor pattern is powerful technique for manipulating queries.

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