Examples with DictionaryPredicate edu.uci.ics.texera.dataflow.dictionarymatcher.DictionaryPredicate used on opensource projects

Example 1 with DictionaryPredicate

use of edu.uci.ics.texera.dataflow.dictionarymatcher.DictionaryPredicate in project textdb by TextDB.

the class PredicateBaseTest method testDictionary.

@Test
public void testDictionary() throws Exception {
    DictionaryPredicate dictionaryPredicate = new DictionaryPredicate(new Dictionary(Arrays.asList("entry1", "entry2")), attributeNames, "standard", KeywordMatchingType.CONJUNCTION_INDEXBASED, "dictResults");
    testPredicate(dictionaryPredicate);
    DictionarySourcePredicate dictionarySourcePredicate = new DictionarySourcePredicate(new Dictionary(Arrays.asList("entry1", "entry2")), attributeNames, "standard", KeywordMatchingType.CONJUNCTION_INDEXBASED, "tableName", "dictSourceResults");
    testPredicate(dictionarySourcePredicate);
}

Example 2 with DictionaryPredicate

use of edu.uci.ics.texera.dataflow.dictionarymatcher.DictionaryPredicate in project textdb by TextDB.

the class DictionaryMatcherTestHelper method getScanSourceResults.

/**
 * Get the results from a DictionaryMatcher with a ScanSource Operator
 *   (which scans the table first and then feeds the data into the dictionary matcher)
 *
 * @param tableName
 * @param dictionary
 * @param attributeNames
 * @param matchingType
 * @param limit
 * @param offset
 * @return
 * @throws TexeraException
 */
public static List<Tuple> getScanSourceResults(String tableName, Dictionary dictionary, List<String> attributeNames, KeywordMatchingType matchingType, int limit, int offset) throws TexeraException {
    RelationManager relationManager = RelationManager.getInstance();
    String luceneAnalyzerStr = relationManager.getTableAnalyzerString(tableName);
    ScanBasedSourceOperator scanSource = new ScanBasedSourceOperator(new ScanSourcePredicate(tableName));
    DictionaryPredicate dictiaonryPredicate = new DictionaryPredicate(dictionary, attributeNames, luceneAnalyzerStr, matchingType, RESULTS);
    DictionaryMatcher dictionaryMatcher = new DictionaryMatcher(dictiaonryPredicate);
    dictionaryMatcher.setLimit(limit);
    dictionaryMatcher.setOffset(offset);
    dictionaryMatcher.setInputOperator(scanSource);
    Tuple tuple;
    List<Tuple> results = new ArrayList<>();
    dictionaryMatcher.open();
    while ((tuple = dictionaryMatcher.getNextTuple()) != null) {
        results.add(tuple);
    }
    dictionaryMatcher.close();
    return results;
}