Class QueryUtils

Utility class for sanity-checking queries.

Inheritance
System.Object
QueryUtils
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Lucene.Net.Search
Assembly: Lucene.Net.TestFramework.dll
Syntax
public static class QueryUtils

Methods

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Check(Query)

Check the types of things query objects should be able to do.

Declaration
public static void Check(Query q)
Parameters
Type Name Description
Lucene.Net.Search.Query q
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Check(Random, Query, IndexSearcher)

Various query sanity checks on a searcher, some checks are only done for instance of Lucene.Net.Search.IndexSearcher.

Declaration
public static void Check(Random random, Query q1, IndexSearcher s)
Parameters
Type Name Description
System.Random random

A random instance (usually Random).
Lucene.Net.Search.Query q1

A Lucene.Net.Search.Query.
Lucene.Net.Search.IndexSearcher s

An Lucene.Net.Search.IndexSearcher.
See Also
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Check(Random, Query, IndexSearcher, Boolean)

Declaration
public static void Check(Random random, Query q1, IndexSearcher s, bool wrap)
Parameters
Type Name Description
System.Random random
Lucene.Net.Search.Query q1
Lucene.Net.Search.IndexSearcher s
System.Boolean wrap
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CheckEqual(Query, Query)

Declaration
public static void CheckEqual(Query q1, Query q2)
Parameters
Type Name Description
Lucene.Net.Search.Query q1
Lucene.Net.Search.Query q2
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CheckExplanations(Query, IndexSearcher)

Deep check that explanations of a query 'score' correctly.

Declaration
public static void CheckExplanations(Query q, IndexSearcher s)
Parameters
Type Name Description
Lucene.Net.Search.Query q
Lucene.Net.Search.IndexSearcher s
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CheckFirstSkipTo(Query, IndexSearcher)

Check that first skip on just created scorers always goes to the right doc.

Declaration
public static void CheckFirstSkipTo(Query q, IndexSearcher s)
Parameters
Type Name Description
Lucene.Net.Search.Query q
Lucene.Net.Search.IndexSearcher s
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CheckHashEquals(Query)

Check very basic System.Object.GetHashCode() and System.Object.Equals(System.Object).

Declaration
public static void CheckHashEquals(Query q)
Parameters
Type Name Description
Lucene.Net.Search.Query q
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CheckSkipTo(Query, IndexSearcher)

Alternate scorer skipTo(),skipTo(),next(),next(),skipTo(),skipTo(), etc and ensure a hitcollector receives same docs and scores.

Declaration
public static void CheckSkipTo(Query q, IndexSearcher s)
Parameters
Type Name Description
Lucene.Net.Search.Query q
Lucene.Net.Search.IndexSearcher s
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CheckUnequal(Query, Query)

Declaration
public static void CheckUnequal(Query q1, Query q2)
Parameters
Type Name Description
Lucene.Net.Search.Query q1
Lucene.Net.Search.Query q2
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PurgeFieldCache(IndexReader)

Declaration
public static void PurgeFieldCache(IndexReader r)
Parameters
Type Name Description
Lucene.Net.Index.IndexReader r
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WrapUnderlyingReader(Random, IndexSearcher, Int32)

Given an Lucene.Net.Search.IndexSearcher, returns a new Lucene.Net.Search.IndexSearcher whose Lucene.Net.Index.IndexReader is a Lucene.Net.Index.MultiReader containing the Lucene.Net.Index.IndexReader of the original Lucene.Net.Search.IndexSearcher, as well as several "empty" Lucene.Net.Index.IndexReaders -- some of which will have deleted documents in them. This new Lucene.Net.Search.IndexSearcher should behave exactly the same as the original Lucene.Net.Search.IndexSearcher.

Declaration
public static IndexSearcher WrapUnderlyingReader(Random random, IndexSearcher s, int edge)
Parameters
Type Name Description
System.Random random
Lucene.Net.Search.IndexSearcher s

The searcher to wrap.

System.Int32 edge

If negative, s will be the first sub; if 0, s will be in the middle, if positive s will be the last sub.

Returns
Type Description
Lucene.Net.Search.IndexSearcher