lucene::search::ConjunctionScorer Class Reference
Scorer for conjunctions, sets of queries, all of which are required. More...
#include <ConjunctionScorer.h>
Public Member Functions | |
| ConjunctionScorer (Similarity *similarity) | |
| virtual | ~ConjunctionScorer () |
| TCHAR * | toString (void) |
| Returns an string which explains the object. | |
| void | add (Scorer *scorer) |
| int32_t | doc () const |
| Returns the current document number. | |
| bool | next () |
| Advance to the next document matching the query. | |
| bool | skipTo (int32_t target) |
| Skips to the first match beyond the current whose document number is greater than or equal to target. | |
| float_t | score () |
| Returns the score of the current document. | |
| virtual void | explain (int32_t doc, Explanation *ret) |
Returns an explanation of the score for doc. | |
Detailed Description
Scorer for conjunctions, sets of queries, all of which are required.
Constructor & Destructor Documentation
| lucene::search::ConjunctionScorer::ConjunctionScorer | ( | Similarity * | similarity | ) |
| virtual lucene::search::ConjunctionScorer::~ConjunctionScorer | ( | ) | [virtual] |
Member Function Documentation
| void lucene::search::ConjunctionScorer::add | ( | Scorer * | scorer | ) |
| int32_t lucene::search::ConjunctionScorer::doc | ( | ) | const [virtual] |
Returns the current document number.
Initially invalid, until next() is called the first time.
Implements lucene::search::Scorer.
| virtual void lucene::search::ConjunctionScorer::explain | ( | int32_t | doc, | |
| Explanation * | ret | |||
| ) | [inline, virtual] |
Returns an explanation of the score for doc.
Implements lucene::search::Scorer.
References _CLTHROWA, and CL_ERR_UnsupportedOperation.
| bool lucene::search::ConjunctionScorer::next | ( | ) | [virtual] |
Advance to the next document matching the query.
Returns true iff there is another match.
Implements lucene::search::Scorer.
| float_t lucene::search::ConjunctionScorer::score | ( | ) | [virtual] |
Returns the score of the current document.
Initially invalid, until next() is called the first time.
Implements lucene::search::Scorer.
| bool lucene::search::ConjunctionScorer::skipTo | ( | int32_t | target | ) | [virtual] |
Skips to the first match beyond the current whose document number is greater than or equal to target.
Returns true iff there is such a match.
Behaves as if written:
boolean skipTo(int32_t target) { do { if (!next()) return false; } while (target > doc()); return true; }
Most implementations are considerably more efficient than that.
Implements lucene::search::Scorer.
| TCHAR* lucene::search::ConjunctionScorer::toString | ( | void | ) | [inline, virtual] |
Returns an string which explains the object.
Implements lucene::search::Scorer.
References _T, and STRDUP_TtoT.
The documentation for this class was generated from the following file: