Release all resources for the policy.

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.

Determine what set of merge operations are now necessary on the index. {@link IndexWriter} calls this whenever there is a change to the segments. This call is always synchronized on the {@link IndexWriter} instance so only one thread at a time will call this method.

Determine what set of merge operations is necessary in order to optimize the index. {@link IndexWriter} calls this when its {@link IndexWriter#Optimize()} method is called. This call is always synchronized on the {@link IndexWriter} instance so only one thread at a time will call this method.

Determine what set of merge operations is necessary in order to expunge all deletes from the index.

Serves as a hash function for a particular type.

Gets the Type of the current instance.

Creates a shallow copy of the current Object.

Returns a String that represents the current Object.

Returns true if the doc store files should use the compound file format.

Returns true if a newly flushed (not from merge) segment should use the compound file format.