Class QueryUtils

Utility class for sanity-checking queries.

Inheritance
System.Object
QueryUtils
Namespace: Lucene.Net.Search
Assembly: Lucene.Net.TestFramework.dll
Syntax
public static class QueryUtils : object

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
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 .

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

A random instance (usually Random).
Query q1

A .
IndexSearcher s

An .
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
Random random
Query q1
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
Query q1
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
Query q
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
Query q
IndexSearcher s
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CheckHashEquals(Query)

Check very basic and .

Declaration
public static void CheckHashEquals(Query q)
Parameters
Type Name Description
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
Query q
IndexSearcher s
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CheckUnequal(Query, Query)

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

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

Given an , returns a new whose is a containing the of the original , as well as several "empty" s -- some of which will have deleted documents in them. This new should behave exactly the same as the original .

Declaration
public static IndexSearcher WrapUnderlyingReader(Random random, IndexSearcher s, int edge)
Parameters
Type Name Description
Random random
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
IndexSearcher