Example usage for org.apache.lucene.search.spans SpanFirstQuery SpanFirstQuery

List of usage examples for org.apache.lucene.search.spans SpanFirstQuery SpanFirstQuery

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Introduction

In this page you can find the example usage for org.apache.lucene.search.spans SpanFirstQuery SpanFirstQuery.

Prototype

public SpanFirstQuery(SpanQuery match, int end)

Source Link

Document

Construct a SpanFirstQuery matching spans in match whose end position is less than or equal to end.

Usage

From source file:aos.lucene.search.advanced.SpanQueryTest.java

License:Apache License

public void testSpanFirstQuery() throws Exception {
      SpanFirstQuery sfq = new SpanFirstQuery(brown, 2);
      assertNoMatches(sfq);/*from ww  w .j a v  a2s  .c  o  m*/

      dumpSpans(sfq);

      sfq = new SpanFirstQuery(brown, 3);
      dumpSpans(sfq);
      assertOnlyBrownFox(sfq);
  }

From source file:aos.lucene.search.advanced.SpanQueryTest.java

License:Apache License

public void testPlay() throws Exception {
      SpanOrQuery or = new SpanOrQuery(new SpanQuery[] { quick, fox });
      dumpSpans(or);/*from w w w  .  j  av  a  2 s. com*/

      SpanNearQuery quick_fox = new SpanNearQuery(new SpanQuery[] { quick, fox }, 1, true);
      SpanFirstQuery sfq = new SpanFirstQuery(quick_fox, 4);
      dumpSpans(sfq);

      dumpSpans(new SpanTermQuery(new Term("f", "the")));

      SpanNearQuery quick_brown = new SpanNearQuery(new SpanQuery[] { quick, brown }, 0, false);
      dumpSpans(quick_brown);

  }

From source file:com.leavesfly.lia.advsearching.SpanQueryTest.java

License:Apache License

public void testSpanFirstQuery() throws Exception {
    SpanFirstQuery sfq = new SpanFirstQuery(brown, 2);
    assertNoMatches(sfq);//from   w ww . j av  a 2 s .  c om

    dumpSpans(sfq);

    sfq = new SpanFirstQuery(brown, 3);
    dumpSpans(sfq);
    assertOnlyBrownFox(sfq);
}

From source file:com.leavesfly.lia.advsearching.SpanQueryTest.java

License:Apache License

public void testPlay() throws Exception {
    SpanOrQuery or = new SpanOrQuery(new SpanQuery[] { quick, fox });
    dumpSpans(or);/*from   w w  w  .  jav a 2s  .  c om*/

    SpanNearQuery quick_fox = new SpanNearQuery(new SpanQuery[] { quick, fox }, 1, true);
    SpanFirstQuery sfq = new SpanFirstQuery(quick_fox, 4);
    dumpSpans(sfq);

    dumpSpans(new SpanTermQuery(new Term("f", "the")));

    SpanNearQuery quick_brown = new SpanNearQuery(new SpanQuery[] { quick, brown }, 0, false);
    dumpSpans(quick_brown);

}

From source file:io.vertigo.dynamo.plugins.collections.lucene.RamLuceneQueryFactory.java

License:Apache License

private static Query createParsedKeywordsQuery(final Analyzer queryAnalyser, final String fieldName,
        final String keywords) throws IOException {
    final Builder queryBuilder = new BooleanQuery.Builder();
    final Reader reader = new StringReader(keywords);
    try (final TokenStream tokenStream = queryAnalyser.tokenStream(fieldName, reader)) {
        tokenStream.reset();/*from ww  w .  ja  v  a2  s.  c  om*/
        try {
            final CharTermAttribute termAttribute = tokenStream.getAttribute(CharTermAttribute.class);
            while (tokenStream.incrementToken()) {
                final String term = new String(termAttribute.buffer(), 0, termAttribute.length());
                final PrefixQuery prefixQuery = new PrefixQuery(new Term(fieldName, term));
                queryBuilder.add(prefixQuery, BooleanClause.Occur.MUST);
                final SpanFirstQuery spanSecondQuery = new SpanFirstQuery(
                        new SpanMultiTermQueryWrapper<>(prefixQuery), 1);
                queryBuilder.add(spanSecondQuery, BooleanClause.Occur.SHOULD);
            }
        } finally {
            reader.reset();
            tokenStream.end();
        }
    }
    return queryBuilder.build();
}

From source file:org.codelibs.elasticsearch.index.query.SpanFirstQueryBuilder.java

License:Apache License

@Override
protected Query doToQuery(QueryShardContext context) throws IOException {
    Query innerSpanQuery = matchBuilder.toQuery(context);
    assert innerSpanQuery instanceof SpanQuery;
    return new SpanFirstQuery((SpanQuery) innerSpanQuery, end);
}

From source file:org.compass.core.lucene.engine.query.LuceneSearchEngineQueryBuilder.java

License:Apache License

public SearchEngineSpanQuery spanFirst(SearchEngineSpanQuery searchEngineSpanQuery, int end) {
    SpanQuery spanQuery = new SpanFirstQuery(
            ((LuceneSearchEngineSpanQuery) searchEngineSpanQuery).toSpanQuery(), end);
    return new LuceneSearchEngineQuery.LuceneSearchEngineSpanQuery(searchEngineFactory, spanQuery);
}

From source file:org.compass.core.lucene.engine.query.LuceneSearchEngineQueryBuilder.java

License:Apache License

public SearchEngineSpanQuery spanFirst(String resourcePropertyName, String value, int end) {
    SpanQuery spanQuery = new SpanFirstQuery(new SpanTermQuery(new Term(resourcePropertyName, value)), end);
    return new LuceneSearchEngineQuery.LuceneSearchEngineSpanQuery(searchEngineFactory, spanQuery);
}

From source file:org.elasticsearch.index.query.json.SpanFirstJsonQueryParser.java

License:Apache License

@Override
public Query parse(JsonQueryParseContext parseContext) throws IOException, QueryParsingException {
    JsonParser jp = parseContext.jp();//ww  w  .ja va  2 s . c  o m

    float boost = 1.0f;

    SpanQuery match = null;
    int end = -1;

    String currentFieldName = null;
    JsonToken token;
    while ((token = jp.nextToken()) != JsonToken.END_OBJECT) {
        if (token == JsonToken.FIELD_NAME) {
            currentFieldName = jp.getCurrentName();
        } else if (token == JsonToken.START_OBJECT) {
            if ("match".equals(currentFieldName)) {
                Query query = parseContext.parseInnerQuery();
                if (!(query instanceof SpanQuery)) {
                    throw new QueryParsingException(index, "spanFirst [match] must be of type span query");
                }
                match = (SpanQuery) query;
            }
        } else {
            if ("boost".equals(currentFieldName)) {
                if (token == JsonToken.VALUE_STRING) {
                    boost = Float.parseFloat(jp.getText());
                } else {
                    boost = jp.getFloatValue();
                }
            } else if ("end".equals(currentFieldName)) {
                if (token == JsonToken.VALUE_STRING) {
                    end = Integer.parseInt(jp.getText());
                } else {
                    end = jp.getIntValue();
                }
            }
        }
    }
    if (match == null) {
        throw new QueryParsingException(index, "spanFirst must have [match] span query clause");
    }
    if (end == -1) {
        throw new QueryParsingException(index, "spanFirst must have [end] set for it");
    }

    SpanFirstQuery query = new SpanFirstQuery(match, end);
    query.setBoost(boost);
    return query;
}

From source file:org.elasticsearch.index.query.SpanFirstQueryParser.java

License:Apache License

@Override
public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    float boost = 1.0f;

    SpanQuery match = null;/*  w  w  w  .  ja  v  a 2 s .com*/
    int end = -1;
    String queryName = null;

    String currentFieldName = null;
    XContentParser.Token token;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
        if (token == XContentParser.Token.FIELD_NAME) {
            currentFieldName = parser.currentName();
        } else if (token == XContentParser.Token.START_OBJECT) {
            if ("match".equals(currentFieldName)) {
                Query query = parseContext.parseInnerQuery();
                if (!(query instanceof SpanQuery)) {
                    throw new QueryParsingException(parseContext.index(),
                            "spanFirst [match] must be of type span query");
                }
                match = (SpanQuery) query;
            } else {
                throw new QueryParsingException(parseContext.index(),
                        "[span_first] query does not support [" + currentFieldName + "]");
            }
        } else {
            if ("boost".equals(currentFieldName)) {
                boost = parser.floatValue();
            } else if ("end".equals(currentFieldName)) {
                end = parser.intValue();
            } else if ("_name".equals(currentFieldName)) {
                queryName = parser.text();
            } else {
                throw new QueryParsingException(parseContext.index(),
                        "[span_first] query does not support [" + currentFieldName + "]");
            }
        }
    }
    if (match == null) {
        throw new QueryParsingException(parseContext.index(), "spanFirst must have [match] span query clause");
    }
    if (end == -1) {
        throw new QueryParsingException(parseContext.index(), "spanFirst must have [end] set for it");
    }

    SpanFirstQuery query = new SpanFirstQuery(match, end);
    query.setBoost(boost);
    if (queryName != null) {
        parseContext.addNamedQuery(queryName, query);
    }
    return query;
}