An abstract {@link Query} that matches documents containing a subset of terms provided by a {@link FilteredTermEnum} enumeration.

This query cannot be used directly; you must subclass it and define {@link #getEnum} to provide a {@link FilteredTermEnum} that iterates through the terms to be matched.

NOTE: if {@link #setRewriteMethod} is either {@link #CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE} or {@link #SCORING_BOOLEAN_QUERY_REWRITE}, you may encounter a {@link BooleanQuery.TooManyClauses} exception during searching, which happens when the number of terms to be searched exceeds {@link BooleanQuery#GetMaxClauseCount()}. Setting {@link #setRewriteMethod} to {@link #CONSTANT_SCORE_FILTER_REWRITE} prevents this.

The recommended rewrite method is {@link #CONSTANT_SCORE_AUTO_REWRITE_DEFAULT}: it doesn't spend CPU computing unhelpful scores, and it tries to pick the most performant rewrite method given the query. Note that {@link QueryParser} produces MultiTermQueries using {@link #CONSTANT_SCORE_AUTO_REWRITE_DEFAULT} by default.

The MultiTermQuery..::..AnonymousClassConstantScoreAutoRewrite type exposes the following members.

Constructors

Methods

  NameDescription
Public methodEquals (Inherited from MultiTermQuery..::..ConstantScoreAutoRewrite.)
Protected methodFinalize
Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetDocCountPercent (Inherited from MultiTermQuery..::..ConstantScoreAutoRewrite.)
Public methodGetHashCode (Inherited from MultiTermQuery..::..ConstantScoreAutoRewrite.)
Public methodGetTermCountCutoff (Inherited from MultiTermQuery..::..ConstantScoreAutoRewrite.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Protected methodReadResolve
Public methodRewrite (Inherited from MultiTermQuery..::..ConstantScoreAutoRewrite.)
Public methodSetDocCountPercent (Overrides MultiTermQuery..::..ConstantScoreAutoRewrite..::..SetDocCountPercent(Double).)
Public methodSetTermCountCutoff (Overrides MultiTermQuery..::..ConstantScoreAutoRewrite..::..SetTermCountCutoff(Int32).)
Public methodToString
Returns a String that represents the current Object.
(Inherited from Object.)

See Also