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## org.hibernate.search.engine
Class DocumentExtractor

    java.lang.Object
      org.hibernate.search.engine.DocumentExtractor

    public class DocumentExtractor

extends java.lang.Object

Helper class to extract `EntityInfo`s out of the `QueryHits`.

Author:
  Emmanuel Bernard, John Griffin, Hardy Ferentschik

Constructor Summary
`DocumentExtractor(QueryHits queryHits, SearchFactoryImplementor searchFactoryImplementor, java.lang.String[] projection, java.util.Set<java.lang.String> idFieldNames, boolean allowFieldSelection)`

Method Summary
`EntityInfo` | `extract(int index)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### DocumentExtractor

    public DocumentExtractor(QueryHits queryHits,
                             SearchFactoryImplementor searchFactoryImplementor,
                             java.lang.String[] projection,
                             java.util.Set<java.lang.String> idFieldNames,
                             boolean allowFieldSelection)

Method Detail

### extract

    public EntityInfo extract(int index)
                       throws java.io.IOException

  Throws:
    `java.io.IOException`

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