## org.apache.lucene.facet.associations
Class AssociationsDrillDownStream

    java.lang.Object
      org.apache.lucene.util.AttributeSource
          org.apache.lucene.analysis.TokenStream
              org.apache.lucene.facet.index.DrillDownStream
                  org.apache.lucene.facet.associations.AssociationsDrillDownStream

All Implemented Interfaces:
  Closeable

    public class AssociationsDrillDownStream

extends DrillDownStream

A `DrillDownStream` which adds to each drill-down token a payload according to the `CategoryAssociation` defined in the `CategoryAssociationsContainer`.

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

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
`AttributeSource.AttributeFactory, AttributeSource.State`

Constructor Summary
`AssociationsDrillDownStream(CategoryAssociationsContainer associations, FacetIndexingParams indexingParams)`

Method Summary
`protected void` `addAdditionalAttributes(CategoryPath cp, boolean isParent)`

Methods inherited from class org.apache.lucene.facet.index.DrillDownStream
`incrementToken, reset`

Methods inherited from class org.apache.lucene.analysis.TokenStream
`close, end`

Methods inherited from class org.apache.lucene.util.AttributeSource
`addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState`

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

Constructor Detail

### AssociationsDrillDownStream

    public AssociationsDrillDownStream(CategoryAssociationsContainer associations,
                                       FacetIndexingParams indexingParams)

Method Detail

### addAdditionalAttributes

    protected void addAdditionalAttributes(CategoryPath cp,
                                           boolean isParent)

  Overrides:
    `addAdditionalAttributes` in class `DrillDownStream`

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