Constructor Detail

• BooleanFilter

  public BooleanFilter()

Method Detail

• getDocIdSet

  public DocIdSet getDocIdSet(IndexReader reader)
                       throws java.io.IOException

  Returns the a DocIdSetIterator representing the Boolean composition of the filters that have been added.

  Overrides:

  getDocIdSet in class Filter

  Parameters:

  reader - a IndexReader instance opened on the index currently searched on. Note, it is likely that the provided reader does not represent the whole underlying index i.e. if the index has more than one segment the given reader only represents a single segment.

  Returns:

  a DocIdSet that provides the documents which should be permitted or prohibited in search results. NOTE: null can be returned if no documents will be accepted by this Filter.

  Throws:

  java.io.IOException

  See Also:

  DocIdBitSet

• finalResult

  protected DocIdSet finalResult(OpenBitSetDISI result,
                                 int maxDocs)

  Deprecated. Either use CachingWrapperFilter, or switch to a different DocIdSet implementation yourself.
  Provide a SortedVIntList when it is definitely smaller than an OpenBitSet.

• add

  public void add(FilterClause filterClause)

  Adds a new FilterClause to the Boolean Filter container

  Parameters:

  filterClause - A FilterClause object containing a Filter and an Occur parameter

• equals

  public boolean equals(java.lang.Object obj)

  Overrides:

  equals in class java.lang.Object

• hashCode

  public int hashCode()

  Overrides:

  hashCode in class java.lang.Object

• toString

  public java.lang.String toString()

  Prints a user-readable version of this query.

  Overrides:

  toString in class java.lang.Object