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## org.apache.lucene.index
Class MergeState.DocMap

    java.lang.Object
      org.apache.lucene.index.MergeState.DocMap

Enclosing class:
  MergeState

    public abstract static class MergeState.DocMap

extends Object

Remaps docids around deletes during merge

Method Summary
`static MergeState.DocMap` | `build(AtomicReader reader)` Creates a `MergeState.DocMap` instance appropriate for this reader.
`abstract int` | `get(int docID)` Returns the mapped docID corresponding to the provided one.
`boolean` | `hasDeletions()` Returns true if there are any deletions.
`abstract int` | `maxDoc()` Returns the total number of documents, ignoring deletions.
`abstract int` | `numDeletedDocs()` Returns the number of deleted documents.
`int` | `numDocs()` Returns the number of not-deleted documents.

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

Method Detail

### get

    public abstract int get(int docID)

  Returns the mapped docID corresponding to the provided one.

### maxDoc

    public abstract int maxDoc()

  Returns the total number of documents, ignoring deletions.

### numDocs

    public final int numDocs()

  Returns the number of not-deleted documents.

### numDeletedDocs

    public abstract int numDeletedDocs()

  Returns the number of deleted documents.

### hasDeletions

    public boolean hasDeletions()

  Returns true if there are any deletions.

### build

    public static MergeState.DocMap build(AtomicReader reader)

  Creates a `MergeState.DocMap` instance appropriate for this reader.

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