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

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

Enclosing class:
  MergePolicy

    public abstract static class MergePolicy.DocMap

extends Object

A map of doc IDs.

Constructor Summary
`protected` `MergePolicy.DocMap()` Sole constructor, typically invoked from sub-classes constructors.

Method Summary
`abstract int` `map(int old)` Return the new doc ID according to its old value.

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

Constructor Detail

### MergePolicy.DocMap

    protected MergePolicy.DocMap()

  Sole constructor, typically invoked from sub-classes constructors.

Method Detail

### map

    public abstract int map(int old)

  Return the new doc ID according to its old value.

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