/// <summary>
/// (non-Javadoc)
/// @see org.apache.lucene.xmlparser.FilterBuilder#process(org.w3c.dom.Element)
/// </summary>
public virtual Filter GetFilter(XmlElement e)
{
List <BytesRef> terms = new List <BytesRef>();
string text = DOMUtils.GetNonBlankTextOrFail(e);
string fieldName = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
TokenStream ts = null;
try
{
ts = analyzer.TokenStream(fieldName, text);
ITermToBytesRefAttribute termAtt = ts.AddAttribute <ITermToBytesRefAttribute>();
BytesRef bytes = termAtt.BytesRef;
ts.Reset();
while (ts.IncrementToken())
{
termAtt.FillBytesRef();
terms.Add(BytesRef.DeepCopyOf(bytes));
}
ts.End();
}
catch (IOException ioe)
{
throw new Exception("Error constructing terms from index:" + ioe);
}
finally
{
IOUtils.CloseWhileHandlingException(ts);
}
return(new TermsFilter(fieldName, terms));
}
public override SpanQuery GetSpanQuery(XmlElement e)
{
string fieldName = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
string value = DOMUtils.GetNonBlankTextOrFail(e);
JCG.List <SpanQuery> clausesList = new JCG.List <SpanQuery>();
TokenStream ts = null;
try
{
ts = analyzer.GetTokenStream(fieldName, value);
ITermToBytesRefAttribute termAtt = ts.AddAttribute <ITermToBytesRefAttribute>();
BytesRef bytes = termAtt.BytesRef;
ts.Reset();
while (ts.IncrementToken())
{
termAtt.FillBytesRef();
SpanTermQuery stq = new SpanTermQuery(new Term(fieldName, BytesRef.DeepCopyOf(bytes)));
clausesList.Add(stq);
}
ts.End();
SpanOrQuery soq = new SpanOrQuery(clausesList.ToArray(/*new SpanQuery[clausesList.size()]*/));
soq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(soq);
}
catch (Exception ioe) when(ioe.IsIOException())
{
throw new ParserException("IOException parsing value:" + value, ioe);
}
finally
{
IOUtils.DisposeWhileHandlingException(ts);
}
}
public virtual Query GetQuery(XmlElement e)
{
string field = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
string value = DOMUtils.GetNonBlankTextOrFail(e);
TermQuery tq = new TermQuery(new Term(field, value));
tq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(tq);
}
public override SpanQuery GetSpanQuery(XmlElement e)
{
string fieldName = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
string value = DOMUtils.GetNonBlankTextOrFail(e);
SpanTermQuery stq = new SpanTermQuery(new Term(fieldName, value));
stq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(stq);
}
public override SpanQuery GetSpanQuery(XmlElement e)
{
string fieldName = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
string value = DOMUtils.GetNonBlankTextOrFail(e);
PayloadTermQuery btq = new PayloadTermQuery(new Term(fieldName, value), new AveragePayloadFunction());
btq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(btq);
}
public virtual Query GetQuery(XmlElement e)
{
string fieldName = DOMUtils.GetAttributeWithInheritanceOrFail(e, "fieldName");
string text = DOMUtils.GetNonBlankTextOrFail(e);
BooleanQuery bq = new BooleanQuery(DOMUtils.GetAttribute(e, "disableCoord", false));
bq.MinimumNumberShouldMatch = DOMUtils.GetAttribute(e, "minimumNumberShouldMatch", 0);
TokenStream ts = null;
try
{
ts = analyzer.GetTokenStream(fieldName, text);
ITermToBytesRefAttribute termAtt = ts.AddAttribute <ITermToBytesRefAttribute>();
Term term = null;
BytesRef bytes = termAtt.BytesRef;
ts.Reset();
while (ts.IncrementToken())
{
termAtt.FillBytesRef();
term = new Term(fieldName, BytesRef.DeepCopyOf(bytes));
bq.Add(new BooleanClause(new TermQuery(term), Occur.SHOULD));
}
ts.End();
}
catch (Exception ioe) when(ioe.IsIOException())
{
throw RuntimeException.Create("Error constructing terms from index:" + ioe, ioe);
}
finally
{
IOUtils.DisposeWhileHandlingException(ts);
}
bq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(bq);
}
