import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
public Query parse() throws SyntaxError {
  String filter = localParams.get(getParentFilterLocalParamName());
  QParser parentParser = subQuery(filter, null);
  Query parentQ = parentParser.getQuery();

  String queryText = localParams.get(QueryParsing.V);
  // there is no child query, return parent filter from cache
  if (queryText == null || queryText.length()==0) {
                SolrConstantScoreQuery wrapped = new SolrConstantScoreQuery(getFilter(parentQ));
                wrapped.setCache(false);
                return wrapped;
  }
  QParser childrenParser = subQuery(queryText, null);
  Query childrenQuery = childrenParser.getQuery();
  return createQuery(parentQ, childrenQuery);
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
public Query getRangeQuery(QParser parser, SchemaField field, final CurrencyValue p1, final CurrencyValue p2, final boolean minInclusive, final boolean maxInclusive) {
  String currencyCode = (p1 != null) ? p1.getCurrencyCode() :
                        (p2 != null) ? p2.getCurrencyCode() : defaultCurrency;

  // ValueSourceRangeFilter doesn't check exists(), so we have to
  final Filter docsWithValues = new FieldValueFilter(getAmountField(field).getName());
  final Filter vsRangeFilter = new ValueSourceRangeFilter
    (new RawCurrencyValueSource(field, currencyCode, parser),
     p1 == null ? null : p1.getAmount() + "", 
     p2 == null ? null : p2.getAmount() + "",
     minInclusive, maxInclusive);
  final Filter docsInRange = new ChainedFilter
    (new Filter [] { docsWithValues, vsRangeFilter }, ChainedFilter.AND);

  return new SolrConstantScoreQuery(docsInRange);
  
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
public Query parse() throws SyntaxError {
  if (localParams == null) {
    throw new SyntaxError ("join query parser must be invoked using localParams");
  }
  String filter = localParams.get(getParentFilterLocalParamName());
  QParser parentParser = subQuery(filter, null);
  Query parentQ = parentParser.getQuery();

  String queryText = localParams.get(QueryParsing.V);
  // there is no child query, return parent filter from cache
  if (queryText == null || queryText.length()==0) {
    SolrConstantScoreQuery wrapped = new SolrConstantScoreQuery(getFilter(parentQ));
    wrapped.setCache(false);
    return wrapped;
  }
  QParser childrenParser = subQuery(queryText, null);
  Query childrenQuery = childrenParser.getQuery();
  return createQuery(parentQ, childrenQuery);
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public Query parse() throws SyntaxError {
  Method method = Method.valueOf(localParams.get(METHOD, Method.termsFilter.name()));
  JoinSpec<T> js = JoinSpec.parse(localParams.get(QueryParsing.V));
  Iterator<T> it = js.iterator(this);
  if (joinField == null) {
    throw new Exception("No XJoin component referenced by query");
  }
  FieldType ft = req.getSchema().getFieldTypeNoEx(joinField);
  Iterator<BytesRef> bytesRefs = new TransformIterator(it, transformer(ft));
  if (! bytesRefs.hasNext()) {
    return new BooleanQuery.Builder().build(); // matches nothing
  }
  Query query = method.makeQuery(joinField, bytesRefs);
  return new SolrConstantScoreQuery(new QueryWrapperFilter(query));
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public Query parse() throws SyntaxError {
  Method method = Method.valueOf(localParams.get(METHOD, Method.termsFilter.name()));
  JoinSpec<T> js = JoinSpec.parse(localParams.get(QueryParsing.V));
  Iterator<T> it = js.iterator(this);
  if (joinField == null) {
    throw new Exception("No XJoin component referenced by query");
  }
  FieldType ft = req.getSchema().getFieldTypeNoEx(joinField);
  Iterator<BytesRef> bytesRefs = new TransformIterator(it, transformer(ft));
  if (! bytesRefs.hasNext()) {
    return new BooleanQuery(); // matches nothing
  }
  return new SolrConstantScoreQuery(method.makeFilter(joinField, bytesRefs));
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
public Query createSpatialQuery(QParser parser, SpatialOptions options) {
  String geohash = toInternal(options.pointStr);
  //TODO: optimize this
  return new SolrConstantScoreQuery(new ValueSourceRangeFilter(new GeohashHaversineFunction(getValueSource(options.field, parser),
          new LiteralValueSource(geohash), options.radius), "0", String.valueOf(options.distance), true, true));
}
 

import org.apache.solr.search.SolrConstantScoreQuery; //导入依赖的package包/类
@Override
public Query createSpatialQuery(QParser parser, SpatialOptions options) {
  double [] point = new double[0];
  try {
    point = ParseUtils.parsePointDouble(null, options.pointStr, 2);
  } catch (InvalidShapeException e) {
    throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, e);
  }
  String geohash = GeohashUtils.encodeLatLon(point[0], point[1]);
  //TODO: optimize this
  return new SolrConstantScoreQuery(new ValueSourceRangeFilter(new GeohashHaversineFunction(getValueSource(options.field, parser),
          new LiteralValueSource(geohash), options.radius), "0", String.valueOf(options.distance), true, true));
}