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## org.apache.lucene.spatial.prefix
Class AbstractPrefixTreeFilter

    java.lang.Object
      org.apache.lucene.search.Filter
          org.apache.lucene.spatial.prefix.AbstractPrefixTreeFilter

Direct Known Subclasses:
  AbstractVisitingPrefixTreeFilter, ContainsPrefixTreeFilter

    public abstract class AbstractPrefixTreeFilter

extends Filter

Base class for Lucene Filters on SpatialPrefixTree fields.

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

Nested Class Summary
`class` | `AbstractPrefixTreeFilter.BaseTermsEnumTraverser` Holds transient state and docid collecting utility methods as part of traversing a `TermsEnum`.

Field Summary
`protected int` | `detailLevel`
`protected String` | `fieldName`
`protected SpatialPrefixTree` | `grid`
`protected com.spatial4j.core.shape.Shape` | `queryShape`

Constructor Summary
`AbstractPrefixTreeFilter(com.spatial4j.core.shape.Shape queryShape, String fieldName, SpatialPrefixTree grid, int detailLevel)`

Method Summary
`boolean` | `equals(Object o)`
`int` | `hashCode()`

Methods inherited from class org.apache.lucene.search.Filter
`getDocIdSet`

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

Field Detail

### queryShape

    protected final com.spatial4j.core.shape.Shape queryShape

### fieldName

    protected final String fieldName

### grid

    protected final SpatialPrefixTree grid

### detailLevel

    protected final int detailLevel

Constructor Detail

### AbstractPrefixTreeFilter

    public AbstractPrefixTreeFilter(com.spatial4j.core.shape.Shape queryShape,
                                    String fieldName,
                                    SpatialPrefixTree grid,
                                    int detailLevel)

Method Detail

### equals

    public boolean equals(Object o)

  Overrides:
    `equals` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

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