public EdgeNGramTokenFilter(LuceneVersion version, TokenStream input, Side side, int minGram, int maxGram) : base(input)
{
if (version == null)
{
throw new System.ArgumentException("version must not be null");
}
if (version.OnOrAfter(LuceneVersion.LUCENE_44) && side == Side.BACK)
{
throw new System.ArgumentException("Side.BACK is not supported anymore as of Lucene 4.4, use ReverseStringFilter up-front and afterward");
}
if (side == null)
{
throw new System.ArgumentException("sideLabel must be either front or back");
}
if (minGram < 1)
{
throw new System.ArgumentException("minGram must be greater than zero");
}
if (minGram > maxGram)
{
throw new System.ArgumentException("minGram must not be greater than maxGram");
}
this.version = version;
this.charUtils = version.onOrAfter(LuceneVersion.LUCENE_44) ? CharacterUtils.getInstance(version) : CharacterUtils.Java4Instance;
this.minGram = minGram;
this.maxGram = maxGram;
this.side = side;
}
public EdgeNGramTokenFilter(LuceneVersion version, TokenStream input, Side side, int minGram, int maxGram)
: base(input)
{
if (version == null)
{
throw new System.ArgumentException("version must not be null");
}
if (version.OnOrAfter(LuceneVersion.LUCENE_44) && side == Side.BACK)
{
throw new System.ArgumentException("Side.BACK is not supported anymore as of Lucene 4.4, use ReverseStringFilter up-front and afterward");
}
if (side == null)
{
throw new System.ArgumentException("sideLabel must be either front or back");
}
if (minGram < 1)
{
throw new System.ArgumentException("minGram must be greater than zero");
}
if (minGram > maxGram)
{
throw new System.ArgumentException("minGram must not be greater than maxGram");
}
this.version = version;
this.charUtils = version.onOrAfter(LuceneVersion.LUCENE_44) ? CharacterUtils.getInstance(version) : CharacterUtils.Java4Instance;
this.minGram = minGram;
this.maxGram = maxGram;
this.side = side;
}
