lowerTerm is null and includeLower is true (similar for upperTerm and includeUpper)

WARNING: Using this constructor and supplying a non-null value in the

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collator

parameter will cause every single index Term in the Field referenced by lowerTerm and/or upperTerm to be examined. Depending on the number of index Terms in this Field, the operation could be very slow.

Returns a BitSet with true for documents which should be permitted in search results, and false for those that should not.

Expert: Resets the counting of unique terms. Do this before executing the filter.

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Returns the collator used to determine range inclusion, if any.

Returns a DocIdSet with documents that should be permitted in search results.

Returns the field name for this filter

Returns the lower value of this range filter

Expert: Return the number of unique terms visited during execution of the filter. If there are many of them, you may consider using another filter type or optimize your total term count in index.

This method is not thread safe, be sure to only call it when no filter is running! If you re-use the same filter instance for another search, be sure to first reset the term counter with {@link #clearTotalNumberOfTerms}.

Gets the Type of the current instance.

Returns the upper value of this range filter

Returns

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true

if the lower endpoint is inclusive

Returns

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true

if the upper endpoint is inclusive

Constructs a filter for field

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fieldName

matching less than or equal to

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upperTerm

.

Creates a shallow copy of the current Object.

Constructs a filter for field

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fieldName

matching greater than or equal to

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lowerTerm

.