/// <summary>
/// Builds a new PrefixQuery instance
/// </summary>
/// <param name="prefix">Prefix term</param>
/// <returns>new PrefixQuery instance</returns>
protected internal virtual Query NewPrefixQuery(Term prefix)
{
PrefixQuery query = new PrefixQuery(prefix);
query.SetRewriteMethod(MultiTermRewriteMethod);
return(query);
}
public QueryBuilder MatchPrefix(string field, string phrase, MultiTermQuery.RewriteMethod rewriteMethod = null)
{
if (string.IsNullOrWhiteSpace(phrase))
{
return(this);
}
var query = new PrefixQuery(new Term(field, phrase));
if (rewriteMethod != null)
{
query.SetRewriteMethod(rewriteMethod);
}
return(AddSubQuery(query));
}
public virtual Query Build(IQueryNode queryNode)
{
PrefixWildcardQueryNode wildcardNode = (PrefixWildcardQueryNode)queryNode;
string text = wildcardNode.Text.SubSequence(0, wildcardNode.Text.Length - 1).ToString();
PrefixQuery q = new PrefixQuery(new Term(wildcardNode.GetFieldAsString(), text));
MultiTermQuery.RewriteMethod method = (MultiTermQuery.RewriteMethod)queryNode.GetTag(MultiTermRewriteMethodProcessor.TAG_ID);
if (method != null)
{
q.SetRewriteMethod(method);
}
return(q);
}
