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Use the empty docidset provided by DocIdSet.EMPTY_DOCIDSET
git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@799582 13f79535-47bb-0310-9956-ffa450edef68
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@ -108,10 +108,7 @@ public class BooleanFilter extends Filter
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if (res !=null)
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if (res !=null)
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return finalResult(res, reader.maxDoc());
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return finalResult(res, reader.maxDoc());
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if (emptyDocIdSet == null)
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return DocIdSet.EMPTY_DOCIDSET;
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emptyDocIdSet = new OpenBitSetDISI(1);
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return emptyDocIdSet;
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}
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}
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// TODO: in 3.0, instead of removing this deprecated
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// TODO: in 3.0, instead of removing this deprecated
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@ -126,8 +123,6 @@ public class BooleanFilter extends Filter
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: (DocIdSet) result;
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: (DocIdSet) result;
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}
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}
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private static DocIdSet emptyDocIdSet = null;
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/**
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/**
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* Adds a new FilterClause to the Boolean Filter container
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* Adds a new FilterClause to the Boolean Filter container
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* @param filterClause A FilterClause object containing a Filter and an Occur parameter
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* @param filterClause A FilterClause object containing a Filter and an Occur parameter
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