Examples of CollectionStatistics

org.apache.lucene.search.CollectionStatistics
Contains statistics for a collection (field) @lucene.experimental
org.hibernate.stat.CollectionStatistics
Collection related statistics @author Gavin King
org.terrier.structures.CollectionStatistics
This class provides basic statistics for the indexed collection of documents, such as the average length of documents, or the total number of documents in the collection.
After indexing, statistics are saved in the PREFIX.log file, along with the classes that should be used for the Lexicon, the DocumentIndex, the DirectIndex and the InvertedIndex. This means that an index knows how it was build and how it should be opened again. @author Gianni Amati, Vassilis Plachouras, Craig Macdonald

Examples of org.apache.lucene.search.CollectionStatistics

    stats.setTotalTermFreq(TOTAL_TERM_FREQ);
    return stats;
  }
  
  private CollectionStatistics toCollectionStats(BasicStats stats) {
    return new CollectionStatistics(stats.field, stats.getNumberOfDocuments(), -1, stats.getNumberOfFieldTokens(), -1);
  }

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Examples of org.apache.lucene.search.CollectionStatistics

    stats.setTotalTermFreq(TOTAL_TERM_FREQ);
    return stats;
  }
  
  private CollectionStatistics toCollectionStats(BasicStats stats) {
    return new CollectionStatistics(stats.field, stats.getNumberOfDocuments(), -1, stats.getNumberOfFieldTokens(), -1);
  }

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Examples of org.apache.lucene.search.CollectionStatistics

    stats.setTotalTermFreq(TOTAL_TERM_FREQ);
    return stats;
  }
  
  private CollectionStatistics toCollectionStats(BasicStats stats) {
    return new CollectionStatistics(stats.field, stats.getNumberOfDocuments(), -1, stats.getNumberOfFieldTokens(), -1);
  }

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Examples of org.apache.lucene.search.CollectionStatistics

  private LuceneIndexHelper() {


  }


  public static void fieldShouldExistInIndex(IndexSearcher searcher, String field) throws IOException {
    CollectionStatistics idFieldStatistics = searcher.collectionStatistics(field);
    if (idFieldStatistics.docCount() == 0) {
      throw new IllegalArgumentException("Field '" + field + "' does not exist in the index");
    }
  }

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Examples of org.apache.lucene.search.CollectionStatistics


            ObjectObjectOpenHashMap<String, CollectionStatistics> fieldStatistics = HppcMaps.newNoNullKeysMap();
            for (Term term : terms) {
                assert term.field() != null : "field is null";
                if (!fieldStatistics.containsKey(term.field())) {
                    final CollectionStatistics collectionStatistics = context.searcher().collectionStatistics(term.field());
                    fieldStatistics.put(term.field(), collectionStatistics);
                }
            }


            context.dfsResult().termsStatistics(terms, termStatistics)

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Examples of org.apache.lucene.search.CollectionStatistics

        Object[] keys = fieldStatistics.keys;
        Object[] values = fieldStatistics.values;
        for (int i = 0; i < states.length; i++) {
            if (states[i]) {
                out.writeString((String) keys[i]);
                CollectionStatistics statistics = (CollectionStatistics) values[i];
                assert statistics.maxDoc() >= 0;
                out.writeVLong(statistics.maxDoc());
                out.writeVLong(addOne(statistics.docCount()));
                out.writeVLong(addOne(statistics.sumTotalTermFreq()));
                out.writeVLong(addOne(statistics.sumDocFreq()));
            }
        }
    }

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Examples of org.apache.lucene.search.CollectionStatistics

            assert field != null;
            final long maxDoc = in.readVLong();
            final long docCount = subOne(in.readVLong());
            final long sumTotalTermFreq = subOne(in.readVLong());
            final long sumDocFreq = subOne(in.readVLong());
            CollectionStatistics stats = new CollectionStatistics(field, maxDoc, docCount, sumTotalTermFreq, sumDocFreq);
            fieldStatistics.put(field, stats);
        }
        return fieldStatistics;
    }

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Examples of org.hibernate.stat.CollectionStatistics

        this.persistenceUnitRegistry = persistenceUnitRegistry;
    }


    @Override
    protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
        CollectionStatistics statistics = collectionStatistics(operation);
        if (statistics != null) {
            handle(statistics, context, operation.require(ModelDescriptionConstants.NAME).asString());
        }
        context.completeStep();
    }

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Examples of org.hibernate.stat.CollectionStatistics

    child.setParent( parent );
    session.save( parent );
    session.getTransaction().commit();
    session.close();


    CollectionStatistics stats =  sfi().getStatistics().getCollectionStatistics( Parent.class.getName() + ".children" );
    long recreateCount = stats.getRecreateCount();
    long updateCount = stats.getUpdateCount();


    session = openSession();
    session.beginTransaction();
    parent = ( Parent ) session.merge( parent );
    session.getTransaction().commit();
    session.close();


    assertEquals( 1, parent.getChildren().size() );
    assertEquals( recreateCount, stats.getRecreateCount() );
    assertEquals( updateCount, stats.getUpdateCount() );


    session = openSession();
    session.beginTransaction();
    parent = ( Parent ) session.get( Parent.class, "p1" );
    assertEquals( 1, parent.getChildren().size() );

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Examples of org.hibernate.stat.CollectionStatistics

    child.setParent( parent );
    session.save( parent );
    session.getTransaction().commit();
    session.close();


    CollectionStatistics stats =  sfi().getStatistics().getCollectionStatistics( Parent.class.getName() + ".children" );
    long recreateCount = stats.getRecreateCount();
    long updateCount = stats.getUpdateCount();


    session = openSession();
    session.beginTransaction();
    parent = ( Parent ) session.get( Parent.class, "p1" );
    assertEquals( 1, parent.getChildren().size() );
    session.getTransaction().commit();
    session.close();


    assertEquals( 1, parent.getChildren().size() );
    assertEquals( recreateCount, stats.getRecreateCount() );
    assertEquals( updateCount, stats.getUpdateCount() );


    session = openSession();
    session.beginTransaction();
    assertEquals( 1, parent.getChildren().size() );
    session.delete( parent );

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