Java NumericUtils.intToPrefixCoded方法代码示例

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
public String normalizeFieldValue(String field, Object value) {
  if (NumberUtils.isNumber(value.toString())) {
    Number n = NumberUtils.createNumber(value.toString());
    if (n instanceof Integer)
      return NumericUtils.intToPrefixCoded((Integer) n);
    else if (n instanceof Long)
      return NumericUtils.longToPrefixCoded((Long) n);
    else if (n instanceof Float)
      return NumericUtils.floatToPrefixCoded((Float) n);
    else if (n instanceof Double)
      return NumericUtils.doubleToPrefixCoded((Double) n);
    else
      throw new IllegalArgumentException("Unhandled numeric type: " + n.getClass());
  } else {
    throw new IllegalArgumentException("Value is not a number: " + value);
  }
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public BytesRef term(Float value) {
    int intValue = NumericUtils.floatToSortableInt(value);
    BytesRefBuilder bytesRef = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(intValue, 0, bytesRef);
    return bytesRef.get();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public BytesRef indexedValueForSearch(Object value) {
    int intValue = NumericUtils.floatToSortableInt(parseValue(value));
    BytesRefBuilder bytesRef = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(intValue, 0, bytesRef);   // 0 because of exact match
    return bytesRef.get();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public boolean updateDocument(ShopDTO shopDTO) {

    Document document = buildDucument(shopDTO);

    BytesRefBuilder bytes = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(shopDTO.getShopid(), 0, bytes);
    Term term = new Term(ShopDTO.ShopParam.SHOP_ID, bytes);

    boolean ret = LuceneUtil.updateDocument(term, document);
    return ret;
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public boolean deleteDocument(int shopid) {
    BytesRefBuilder bytes = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(shopid, 0, bytes);
    Term term = new Term(ShopDTO.ShopParam.SHOP_ID, bytes);

    boolean ret = LuceneUtil.deleteDocument(term);
    return ret;
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public void readableToIndexed(CharSequence val, BytesRef result) {
  final String s = val.toString();
  if (s == null)
    return;

  final Integer intValue = stringValueToIntValue(s);
  BytesRefBuilder b = new BytesRefBuilder();
  NumericUtils.intToPrefixCoded(intValue, 0, b);
  result.copyBytes(b.get());
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public String storedToIndexed(IndexableField f) {
  final Number val = f.numericValue();
  if (val == null)
    return null;
  final BytesRefBuilder bytes = new BytesRefBuilder();
  NumericUtils.intToPrefixCoded(val.intValue(), 0, bytes);
  return bytes.get().utf8ToString();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
protected Query newTermQuery(Term term) {
if (InformationAssetViewFields.SOURCE.toString().equals(term.field())) {

    BytesRefBuilder byteRefBuilder = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(Integer.parseInt(term.text()), 0, byteRefBuilder);
    TermQuery tq = new TermQuery(new Term(term.field(), byteRefBuilder.get()));

    return tq;
}
return super.newTermQuery(term);
   }
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
private Query getSourceFilterForValue(String sourceValue) {
       Integer intCatalogueSourceValue = Integer.valueOf(sourceValue);
BytesRefBuilder bytes = new BytesRefBuilder();
NumericUtils.intToPrefixCoded(intCatalogueSourceValue, 0, bytes);
TermQuery termFilter = new TermQuery(new Term(InformationAssetViewFields.SOURCE.toString(), bytes.get()));
return termFilter;
   }
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public void readableToIndexed(CharSequence val, BytesRef result) {
  final String s = val.toString();
  if (s == null)
    return;

  final Integer intValue = stringValueToIntValue(s);
  NumericUtils.intToPrefixCoded(intValue, 0, result);
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public String storedToIndexed(IndexableField f) {
  final Number val = f.numericValue();
  if (val == null)
    return null;
  final BytesRef bytes = new BytesRef(NumericUtils.BUF_SIZE_LONG);
  NumericUtils.intToPrefixCoded(val.intValue(), 0, bytes);
  return bytes.utf8ToString();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public BytesRef indexedValueForSearch(Object value) {
    BytesRefBuilder bytesRef = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(parseValue(value), 0, bytesRef);  // 0 because of exact match
    return bytesRef.get();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public BytesRef indexedValueForSearch(Object value) {
    BytesRefBuilder bytesRef = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(parseValue(value), 0, bytesRef); // 0 because of exact match
    return bytesRef.get();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
@Override
public BytesRef next() {
  BytesRefBuilder b = new BytesRefBuilder();
  NumericUtils.intToPrefixCoded((int) values.valueAt(this.count++), 0, b);
  return b.toBytesRef();
}
 

import org.apache.lucene.util.NumericUtils; //导入方法依赖的package包/类
static Term intTerm(String name, int value) {
  BytesRefBuilder builder = new BytesRefBuilder();
  NumericUtils.intToPrefixCoded(value, 0, builder);
  return new Term(name, builder.get());
}