Class SpecialOperations
Special automata operations.
This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
SpecialOperations
Assembly: Lucene.Net.dll
Syntax
public static class SpecialOperations : object
Methods
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GetCommonPrefix(Automaton)
Returns the longest string that is a prefix of all accepted strings and
visits each state at most once.
Declaration
public static string GetCommonPrefix(Automaton a)
Parameters
Returns
| Type |
Description |
| System.String |
Common prefix.
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GetCommonPrefixBytesRef(Automaton)
Declaration
public static BytesRef GetCommonPrefixBytesRef(Automaton a)
Parameters
Returns
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GetCommonSuffix(Automaton)
Returns the longest string that is a suffix of all accepted strings and
visits each state at most once.
Declaration
public static string GetCommonSuffix(Automaton a)
Parameters
Returns
| Type |
Description |
| System.String |
Common suffix.
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GetCommonSuffixBytesRef(Automaton)
Declaration
public static BytesRef GetCommonSuffixBytesRef(Automaton a)
Parameters
Returns
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GetFiniteStrings(Automaton, Int32)
Returns the set of accepted strings, assuming that at most
limit strings are accepted. If more than limit
strings are accepted, the first limit strings found are returned. If limit<0, then
the limit is infinite.
Declaration
public static ISet<Int32sRef> GetFiniteStrings(Automaton a, int limit)
Parameters
| Type |
Name |
Description |
| Automaton |
a |
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| System.Int32 |
limit |
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Returns
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IsFinite(Automaton)
Returns true if the language of this automaton is finite.
Declaration
public static bool IsFinite(Automaton a)
Parameters
Returns
| Type |
Description |
| System.Boolean |
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Reverse(Automaton)
Reverses the language of the given (non-singleton) automaton while returning
the set of new initial states.
Declaration
public static ISet<State> Reverse(Automaton a)
Parameters
Returns
| Type |
Description |
| ISet<State> |
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