Java IntDocValues类代码示例

本文整理汇总了Java中org.apache.lucene.queries.function.docvalues.IntDocValues类的典型用法代码示例。如果您正苦于以下问题：Java IntDocValues类的具体用法？Java IntDocValues怎么用？Java IntDocValues使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

IntDocValues类属于org.apache.lucene.queries.function.docvalues包，在下文中一共展示了IntDocValues类的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
  final IndexReader topReader = ReaderUtil.getTopLevelContext(readerContext).reader();
  final AtomicReader r = SlowCompositeReaderWrapper.wrap(topReader);
  final int off = readerContext.docBase;

  final SortedDocValues sindex = FieldCache.DEFAULT.getTermsIndex(r, field);
  final int end = sindex.getValueCount();

  return new IntDocValues(this) {
   @Override
    public int intVal(int doc) {
      return (end - sindex.getOrd(doc+off) - 1);
    }
  };
}

开发者ID:europeana，项目名称:search，代码行数:17，代码来源:ReverseOrdFieldSource.java

示例2: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
  final IndexReader topReader = ReaderUtil.getTopLevelContext(readerContext).reader();
  final AtomicReader r = topReader instanceof CompositeReader 
      ? new SlowCompositeReaderWrapper((CompositeReader)topReader) 
      : (AtomicReader) topReader;
  final int off = readerContext.docBase;

  final SortedDocValues sindex = FieldCache.DEFAULT.getTermsIndex(r, field);
  final int end = sindex.getValueCount();

  return new IntDocValues(this) {
   @Override
    public int intVal(int doc) {
      return (end - sindex.getOrd(doc+off) - 1);
    }
  };
}

开发者ID:pkarmstr，项目名称:NYBC，代码行数:19，代码来源:ReverseOrdFieldSource.java

示例3: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException
{
  final BinaryDocValues terms = cache.getTerms(readerContext.reader(), field, false, PackedInts.FAST);
  final IndexReader top = ReaderUtil.getTopLevelContext(readerContext).reader();
  Terms t = MultiFields.getTerms(top, qfield);
  final TermsEnum termsEnum = t == null ? TermsEnum.EMPTY : t.iterator(null);
  
  return new IntDocValues(this) {

    @Override
    public int intVal(int doc) 
    {
      try {
        final BytesRef term = terms.get(doc);
        if (termsEnum.seekExact(term)) {
          return termsEnum.docFreq();
        } else {
          return 0;
        }
      } 
      catch (IOException e) {
        throw new RuntimeException("caught exception in function "+description()+" : doc="+doc, e);
      }
    }
  };
}

开发者ID:europeana，项目名称:search，代码行数:28，代码来源:JoinDocFreqValueSource.java

示例4: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, final AtomicReaderContext readerContext) throws IOException {
  return new IntDocValues(this) {
      private final int seed = getSeed(field, readerContext);
      @Override
      public int intVal(int doc) {
        return hash(doc+seed);
      }
    };
}

开发者ID:europeana，项目名称:search，代码行数:11，代码来源:RandomSortField.java

示例5: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, LeafReaderContext readerContext) throws IOException{
    final IndexReader ir = readerContext.reader();
    final String indexedField = this.indexedField;

    return new IntDocValues(this) {
        @Override
        public int intVal(int docNum) {

            try{
                // SH:  Fastest method to do this is if the field has term vectors stored
                //      else we have to re-analyze the field, which is not efficient
                // http://stackoverflow.com/questions/3574106/how-to-count-the-number-of-terms-for-each-document-in-lucene-index
                final Fields vectors = ir.getTermVectors(docNum);
                if(vectors != null){
                    if (vectors != null) {
                        Terms vector = vectors.terms(indexedField);
                        if(vector != null) {
                            return (int) vector.size();
                        }
                    }
                }
            } catch(java.io.IOException ex){
                throw new RuntimeException("caught exception in function " + description()+" while reading term vectors for doc : doc=" + docNum, ex);
            }

            return getFieldLengthFromAnalysisChain(docNum, indexedField, ir);
        }
    };
}

开发者ID:DiceTechJobs，项目名称:SolrPlugins，代码行数:31，代码来源:FieldLenValueSource.java

示例6: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException
{
  final BinaryDocValues terms = cache.getTerms(readerContext.reader(), field, PackedInts.FAST);
  final IndexReader top = ReaderUtil.getTopLevelContext(readerContext).reader();
  Terms t = MultiFields.getTerms(top, qfield);
  final TermsEnum termsEnum = t == null ? TermsEnum.EMPTY : t.iterator(null);
  
  return new IntDocValues(this) {
    final BytesRef ref = new BytesRef();

    @Override
    public int intVal(int doc) 
    {
      try {
        terms.get(doc, ref);
        if (termsEnum.seekExact(ref, true)) {
          return termsEnum.docFreq();
        } else {
          return 0;
        }
      } 
      catch (IOException e) {
        throw new RuntimeException("caught exception in function "+description()+" : doc="+doc, e);
      }
    }
  };
}

开发者ID:pkarmstr，项目名称:NYBC，代码行数:29，代码来源:JoinDocFreqValueSource.java

示例7: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException
{
  final BinaryDocValues terms = cache.getTerms(readerContext.reader(), field, false, PackedInts.FAST);
  final IndexReader top = ReaderUtil.getTopLevelContext(readerContext).reader();
  Terms t = MultiFields.getTerms(top, qfield);
  final TermsEnum termsEnum = t == null ? TermsEnum.EMPTY : t.iterator(null);
  
  return new IntDocValues(this) {
    final BytesRef ref = new BytesRef();

    @Override
    public int intVal(int doc) 
    {
      try {
        terms.get(doc, ref);
        if (termsEnum.seekExact(ref)) {
          return termsEnum.docFreq();
        } else {
          return 0;
        }
      } 
      catch (IOException e) {
        throw new RuntimeException("caught exception in function "+description()+" : doc="+doc, e);
      }
    }
  };
}

开发者ID:yintaoxue，项目名称:read-open-source-code，代码行数:29，代码来源:JoinDocFreqValueSource.java

示例8: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(
        @SuppressWarnings("rawtypes") final Map context,
        final AtomicReaderContext readerContext) throws IOException {
    return new IntDocValues(this) {
        @Override
        public int intVal(final int docId) {
            final IndexSearcher searcher = (IndexSearcher) context
                    .get("searcher");
            final Set<String> fieldSet = new HashSet<String>();
            fieldSet.add(field);
            try {
                final Document doc = searcher.doc(docId, fieldSet);
                if (doc != null) {
                    String value = doc.get(field);
                    if (normalized) {
                        value = normalize(value);
                    }
                    return StringUtils.countMatches(value, word);
                }
            } catch (final IOException e) {
                // ignore
            }
            return 0;
        }
    };
}

开发者ID:codelibs，项目名称:fess-solr-plugin，代码行数:28，代码来源:WordFreqValueSourceParser.java

示例9: getValues

import org.apache.lucene.queries.function.docvalues.IntDocValues; //导入依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
  Fields fields = readerContext.reader().fields();
  final Terms terms = fields.terms(indexedField);

  return new IntDocValues(this) {
    DocsEnum docs ;
    int atDoc;
    int lastDocRequested = -1;

    { reset(); }

    public void reset() throws IOException {
      // no one should call us for deleted docs?
      
      if (terms != null) {
        final TermsEnum termsEnum = terms.iterator(null);
        if (termsEnum.seekExact(indexedBytes, false)) {
          docs = termsEnum.docs(null, null);
        } else {
          docs = null;
        }
      } else {
        docs = null;
      }

      if (docs == null) {
        docs = new DocsEnum() {
          @Override
          public int freq() {
            return 0;
          }

          @Override
          public int docID() {
            return DocIdSetIterator.NO_MORE_DOCS;
          }

          @Override
          public int nextDoc() {
            return DocIdSetIterator.NO_MORE_DOCS;
          }

          @Override
          public int advance(int target) {
            return DocIdSetIterator.NO_MORE_DOCS;
          }
        };
      }
      atDoc = -1;
    }

    @Override
    public int intVal(int doc) {
      try {
        if (doc < lastDocRequested) {
          // out-of-order access.... reset
          reset();
        }
        lastDocRequested = doc;

        if (atDoc < doc) {
          atDoc = docs.advance(doc);
        }

        if (atDoc > doc) {
          // term doesn't match this document... either because we hit the
          // end, or because the next doc is after this doc.
          return 0;
        }

        // a match!
        return docs.freq();
      } catch (IOException e) {
        throw new RuntimeException("caught exception in function "+description()+" : doc="+doc, e);
      }
    }
  };
}

开发者ID:pkarmstr，项目名称:NYBC，代码行数:80，代码来源:TermFreqValueSource.java

注：本文中的org.apache.lucene.queries.function.docvalues.IntDocValues类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。