## org.apache.lucene.util
Class DocIdBitSet

    java.lang.Object
      org.apache.lucene.search.DocIdSet
          org.apache.lucene.util.DocIdBitSet

    public class DocIdBitSet

extends DocIdSet

Simple DocIdSet and DocIdSetIterator backed by a BitSet

Field Summary

Fields inherited from class org.apache.lucene.search.DocIdSet
`EMPTY_DOCIDSET`

Constructor Summary
`DocIdBitSet(java.util.BitSet bitSet)`

Method Summary
`java.util.BitSet` `getBitSet()` Returns the underlying BitSet.
`boolean` `isCacheable()` This DocIdSet implementation is cacheable.
`DocIdSetIterator` `iterator()` Provides a `DocIdSetIterator` to access the set.

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

Constructor Detail

### DocIdBitSet

    public DocIdBitSet(java.util.BitSet bitSet)

Method Detail

### iterator

    public DocIdSetIterator iterator()

  Description copied from class: `DocIdSet`
  Provides a `DocIdSetIterator` to access the set. This implementation can return `null` or `DocIdSet.EMPTY_DOCIDSET.iterator()` if there are no docs that match.

  Specified by:
    `iterator` in class `DocIdSet`

### isCacheable

    public boolean isCacheable()

  This DocIdSet implementation is cacheable.

  Overrides:
    `isCacheable` in class `DocIdSet`

### getBitSet

    public java.util.BitSet getBitSet()

  Returns the underlying BitSet.

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