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java.lang.Objectorg.apache.lucene.search.Filter
org.apache.lucene.search.BooleanFilter
public class BooleanFilter
A container Filter that allows Boolean composition of Filters. Filters are allocated into one of three logical constructs; SHOULD, MUST NOT, MUST The results Filter BitSet is constructed as follows: SHOULD Filters are OR'd together The resulting Filter is NOT'd with the NOT Filters The resulting Filter is AND'd with the MUST Filters
Constructor Summary | |
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BooleanFilter()
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Method Summary | |
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void |
add(FilterClause filterClause)
Adds a new FilterClause to the Boolean Filter container |
BitSet |
bits(IndexReader reader)
Returns the a BitSet representing the Boolean composition of the filters that have been added. |
boolean |
equals(Object obj)
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int |
hashCode()
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String |
toString()
Prints a user-readable version of this query. |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public BooleanFilter()
Method Detail |
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public BitSet bits(IndexReader reader) throws IOException
bits
in class Filter
IOException
public void add(FilterClause filterClause)
filterClause
- A FilterClause object containing a Filter and an Occur parameterpublic boolean equals(Object obj)
equals
in class Object
public int hashCode()
hashCode
in class Object
public String toString()
toString
in class Object
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