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## org.apache.lucene.facet.util
Class TaxonomyMergeUtils

    java.lang.Object
      org.apache.lucene.facet.util.TaxonomyMergeUtils

    public class TaxonomyMergeUtils

extends Object

Utility methods for merging index and taxonomy directories.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary
`TaxonomyMergeUtils()`

Method Summary
`static void` | `merge(Directory srcIndexDir, Directory srcTaxDir, DirectoryTaxonomyWriter.OrdinalMap map, IndexWriter destIndexWriter, DirectoryTaxonomyWriter destTaxWriter, FacetIndexingParams params)` Merges the given taxonomy and index directories and commits the changes to the given writers.

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

Constructor Detail

### TaxonomyMergeUtils

    public TaxonomyMergeUtils()

Method Detail

### merge

    public static void merge(Directory srcIndexDir,
                             Directory srcTaxDir,
                             DirectoryTaxonomyWriter.OrdinalMap map,
                             IndexWriter destIndexWriter,
                             DirectoryTaxonomyWriter destTaxWriter,
                             FacetIndexingParams params)
                      throws IOException

  Merges the given taxonomy and index directories and commits the changes to the given writers.

  Throws:
    `IOException`

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