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java.lang.Objectorg.hibernate.search.filter.FilterOptimizationHelper
public class FilterOptimizationHelper
Helper class to apply some common optimizations when several Filters are applied.
Constructor Summary | |
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FilterOptimizationHelper()
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Method Summary | |
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static org.apache.lucene.util.DocIdBitSet |
mergeByBitAnds(List<org.apache.lucene.util.DocIdBitSet> docIdBitSets)
Merges all DocIdBitSet in a new DocIdBitSet using binary AND operations, which is usually more efficient than using an iterator. |
static List<org.apache.lucene.search.DocIdSet> |
mergeByBitAnds(List<org.apache.lucene.search.DocIdSet> docIdSets)
Returns a new list of DocIdSet, applying binary AND on all DocIdSet implemented by using BitSet or OpenBitSet. |
static org.apache.lucene.util.OpenBitSet |
mergeByBitAnds(List<org.apache.lucene.util.OpenBitSet> openBitSets)
Merges all OpenBitSet in a new OpenBitSet using binary AND operations, which is usually more efficient than using an iterator. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FilterOptimizationHelper()
Method Detail |
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public static List<org.apache.lucene.search.DocIdSet> mergeByBitAnds(List<org.apache.lucene.search.DocIdSet> docIdSets)
docIdSets
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public static org.apache.lucene.util.DocIdBitSet mergeByBitAnds(List<org.apache.lucene.util.DocIdBitSet> docIdBitSets)
docIdBitSets
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public static org.apache.lucene.util.OpenBitSet mergeByBitAnds(List<org.apache.lucene.util.OpenBitSet> openBitSets)
openBitSets
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