Determines whether the specified Object is equal to the current Object.

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

Serves as a hash function for a particular type.

Gets the Type of the current instance.

This method is a hint for {@link CachingWrapperFilter}, if this

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DocIdSet

should be cached without copying it into a BitSet. The default is to return

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false

. If you have an own

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DocIdSet

implementation that does its iteration very effective and fast without doing disk I/O, override this method and return true.

Provides a {@link DocIdSetIterator} to access the set. This implementation can return

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null

or

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{@linkplain #EMPTY_DOCIDSET}.iterator()

if there are no docs that match.

Creates a shallow copy of the current Object.

Returns a String that represents the current Object.