Beispiel #1
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void test() throws java.io.IOException
        public virtual void test()
        {
            string test = "The quick red fox jumped over the lazy brown dogs";

            NumericPayloadTokenFilter nptf = new NumericPayloadTokenFilter(new WordTokenFilter(this, new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false)), 3, "D");
            bool seenDogs                = false;
            CharTermAttribute termAtt    = nptf.getAttribute(typeof(CharTermAttribute));
            TypeAttribute     typeAtt    = nptf.getAttribute(typeof(TypeAttribute));
            PayloadAttribute  payloadAtt = nptf.getAttribute(typeof(PayloadAttribute));

            nptf.reset();
            while (nptf.incrementToken())
            {
                if (termAtt.ToString().Equals("dogs"))
                {
                    seenDogs = true;
                    assertTrue(typeAtt.type() + " is not equal to " + "D", typeAtt.type().Equals("D") == true);
                    assertTrue("payloadAtt.getPayload() is null and it shouldn't be", payloadAtt.Payload != null);
                    sbyte[] bytes = payloadAtt.Payload.bytes;     //safe here to just use the bytes, otherwise we should use offset, length
                    assertTrue(bytes.Length + " does not equal: " + payloadAtt.Payload.length, bytes.Length == payloadAtt.Payload.length);
                    assertTrue(payloadAtt.Payload.offset + " does not equal: " + 0, payloadAtt.Payload.offset == 0);
                    float pay = PayloadHelper.decodeFloat(bytes);
                    assertTrue(pay + " does not equal: " + 3, pay == 3);
                }
                else
                {
                    assertTrue(typeAtt.type() + " is not null and it should be", typeAtt.type().Equals("word"));
                }
            }
            assertTrue(seenDogs + " does not equal: " + true, seenDogs == true);
        }
        public override bool accept(AttributeSource source)
        {
            if (typeAtt == null)
            {
                typeAtt = source.addAttribute(typeof(TypeAttribute));
            }

            //check to see if this is a Category
            return(typeToMatch.Equals(typeAtt.type()));
        }
	  public override bool accept(AttributeSource source)
	  {
		if (typeAtt == null)
		{
		  typeAtt = source.addAttribute(typeof(TypeAttribute));
		}

		//check to see if this is a Category
		return (typeToMatch.Equals(typeAtt.type()));
	  }
Beispiel #4
0
        /**
         * Converts the original query string to a collection of Lucene Tokens.
         * @param original the original query string
         * @return a Collection of Lucene Tokens
         */
        public override Collection /*<Token>*/ convert(string original)
        {
            if (original == null) // this can happen with q.alt = and no query
            {
                return(Collections.emptyList());
            }
            Collection /*<Token>*/ result = new ArrayList/*<Token>*/ ();
            //TODO: Extract the words using a simple regex, but not query stuff, and then analyze them to produce the token stream
            Matcher     matcher = QUERY_REGEX.matcher(original);
            TokenStream stream;

            while (matcher.find())
            {
                string word = matcher.group(0);
                if (word.Equals("AND") == false && word.Equals("OR") == false)
                {
                    try {
                        stream = analyzer.reusableTokenStream("", new StringReader(word));
                        // TODO: support custom attributes
                        TermAttribute              termAtt    = (TermAttribute)stream.addAttribute(typeof(TermAttribute));
                        FlagsAttribute             flagsAtt   = (FlagsAttribute)stream.addAttribute(typeof(FlagsAttribute));
                        TypeAttribute              typeAtt    = (TypeAttribute)stream.addAttribute(typeof(TypeAttribute));
                        PayloadAttribute           payloadAtt = (PayloadAttribute)stream.addAttribute(typeof(PayloadAttribute));
                        PositionIncrementAttribute posIncAtt  = (PositionIncrementAttribute)stream.addAttribute(typeof(PositionIncrementAttribute));
                        stream.reset();
                        while (stream.incrementToken())
                        {
                            Token token = new Token();
                            token.setTermBuffer(termAtt.termBuffer(), 0, termAtt.termLength());
                            token.setStartOffset(matcher.start());
                            token.setEndOffset(matcher.end());
                            token.setFlags(flagsAtt.getFlags());
                            token.setType(typeAtt.type());
                            token.setPayload(payloadAtt.getPayload());
                            token.setPositionIncrement(posIncAtt.getPositionIncrement());
                            result.add(token);
                        }
                    }
#pragma warning disable 168
                    catch (IOException e)
                    {
                    }
#pragma warning restore 168
                }
            }
            return(result);
        }
        public PrefixAwareTokenFilter(TokenStream prefix, TokenStream suffix) : base(suffix)
        {
            this.suffix     = suffix;
            this.prefix     = prefix;
            prefixExhausted = false;

            termAtt    = addAttribute(typeof(CharTermAttribute));
            posIncrAtt = addAttribute(typeof(PositionIncrementAttribute));
            payloadAtt = addAttribute(typeof(PayloadAttribute));
            offsetAtt  = addAttribute(typeof(OffsetAttribute));
            typeAtt    = addAttribute(typeof(TypeAttribute));
            flagsAtt   = addAttribute(typeof(FlagsAttribute));

            p_termAtt    = prefix.addAttribute(typeof(CharTermAttribute));
            p_posIncrAtt = prefix.addAttribute(typeof(PositionIncrementAttribute));
            p_payloadAtt = prefix.addAttribute(typeof(PayloadAttribute));
            p_offsetAtt  = prefix.addAttribute(typeof(OffsetAttribute));
            p_typeAtt    = prefix.addAttribute(typeof(TypeAttribute));
            p_flagsAtt   = prefix.addAttribute(typeof(FlagsAttribute));
        }
	  public PrefixAwareTokenFilter(TokenStream prefix, TokenStream suffix) : base(suffix)
	  {
		this.suffix = suffix;
		this.prefix = prefix;
		prefixExhausted = false;

		termAtt = addAttribute(typeof(CharTermAttribute));
		posIncrAtt = addAttribute(typeof(PositionIncrementAttribute));
		payloadAtt = addAttribute(typeof(PayloadAttribute));
		offsetAtt = addAttribute(typeof(OffsetAttribute));
		typeAtt = addAttribute(typeof(TypeAttribute));
		flagsAtt = addAttribute(typeof(FlagsAttribute));

		p_termAtt = prefix.addAttribute(typeof(CharTermAttribute));
		p_posIncrAtt = prefix.addAttribute(typeof(PositionIncrementAttribute));
		p_payloadAtt = prefix.addAttribute(typeof(PayloadAttribute));
		p_offsetAtt = prefix.addAttribute(typeof(OffsetAttribute));
		p_typeAtt = prefix.addAttribute(typeof(TypeAttribute));
		p_flagsAtt = prefix.addAttribute(typeof(FlagsAttribute));
	  }
Beispiel #7
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void test() throws java.io.IOException
        public virtual void test()
        {
            TokenTypeSinkFilter sinkFilter = new TokenTypeSinkFilter("D");
            string test = "The quick red fox jumped over the lazy brown dogs";

            TeeSinkTokenFilter ttf = new TeeSinkTokenFilter(new WordTokenFilter(this, new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false)));

            TeeSinkTokenFilter.SinkTokenStream sink = ttf.newSinkTokenStream(sinkFilter);

            bool seenDogs = false;

            CharTermAttribute termAtt = ttf.addAttribute(typeof(CharTermAttribute));
            TypeAttribute     typeAtt = ttf.addAttribute(typeof(TypeAttribute));

            ttf.reset();
            while (ttf.incrementToken())
            {
                if (termAtt.ToString().Equals("dogs"))
                {
                    seenDogs = true;
                    assertTrue(typeAtt.type() + " is not equal to " + "D", typeAtt.type().Equals("D") == true);
                }
                else
                {
                    assertTrue(typeAtt.type() + " is not null and it should be", typeAtt.type().Equals("word"));
                }
            }
            assertTrue(seenDogs + " does not equal: " + true, seenDogs == true);

            int sinkCount = 0;

            sink.reset();
            while (sink.incrementToken())
            {
                sinkCount++;
            }

            assertTrue("sink Size: " + sinkCount + " is not: " + 1, sinkCount == 1);
        }
Beispiel #8
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void test() throws java.io.IOException
        public virtual void test()
        {
            string test = "The quick red fox jumped over the lazy brown dogs";

            TypeAsPayloadTokenFilter nptf = new TypeAsPayloadTokenFilter(new WordTokenFilter(this, new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false)));
            int count = 0;
            CharTermAttribute termAtt    = nptf.getAttribute(typeof(CharTermAttribute));
            TypeAttribute     typeAtt    = nptf.getAttribute(typeof(TypeAttribute));
            PayloadAttribute  payloadAtt = nptf.getAttribute(typeof(PayloadAttribute));

            nptf.reset();
            while (nptf.incrementToken())
            {
                assertTrue(typeAtt.type() + " is not null and it should be", typeAtt.type().Equals(char.ToUpper(termAtt.buffer()[0]).ToString()));
                assertTrue("nextToken.getPayload() is null and it shouldn't be", payloadAtt.Payload != null);
                string type = payloadAtt.Payload.utf8ToString();
                assertTrue(type + " is not equal to " + typeAtt.type(), type.Equals(typeAtt.type()));
                count++;
            }

            assertTrue(count + " does not equal: " + 10, count == 10);
        }