Examples with RelationManager edu.uci.ics.textdb.storage.RelationManager used on opensource projects

Example 21 with RelationManager

use of edu.uci.ics.textdb.storage.RelationManager in project textdb by TextDB.

the class KeywordTestHelper method getKeywordSourceResults.

public static List<Tuple> getKeywordSourceResults(String tableName, String keywordQuery, List<String> attributeNames, KeywordMatchingType matchingType, int limit, int offset) throws TextDBException {
    RelationManager relationManager = RelationManager.getRelationManager();
    KeywordSourcePredicate keywordSourcePredicate = new KeywordSourcePredicate(keywordQuery, attributeNames, relationManager.getTableAnalyzerString(tableName), matchingType, tableName, RESULTS, limit, offset);
    KeywordMatcherSourceOperator keywordSource = new KeywordMatcherSourceOperator(keywordSourcePredicate);
    Tuple tuple;
    List<Tuple> results = new ArrayList<>();
    keywordSource.open();
    while ((tuple = keywordSource.getNextTuple()) != null) {
        results.add(tuple);
    }
    keywordSource.close();
    return results;
}

Example 22 with RelationManager

use of edu.uci.ics.textdb.storage.RelationManager in project textdb by TextDB.

the class JoinTestHelper method deleteTestTables.

/**
     * Deletes all test tables
     * @throws TextDBException
     */
public static void deleteTestTables() throws TextDBException {
    RelationManager relationManager = RelationManager.getRelationManager();
    relationManager.deleteTable(BOOK_TABLE);
    relationManager.deleteTable(NEWS_TABLE_OUTER);
    relationManager.deleteTable(NEWS_TABLE_INNER);
}

Example 23 with RelationManager

use of edu.uci.ics.textdb.storage.RelationManager in project textdb by TextDB.

the class JoinTestHelper method insertToTable.

public static void insertToTable(String tableName, Tuple... tuples) throws StorageException {
    RelationManager relationManager = RelationManager.getRelationManager();
    DataWriter tableDataWriter = relationManager.getTableDataWriter(tableName);
    tableDataWriter.open();
    for (Tuple tuple : Arrays.asList(tuples)) {
        tableDataWriter.insertTuple(tuple);
    }
    tableDataWriter.close();
}

Example 24 with RelationManager

use of edu.uci.ics.textdb.storage.RelationManager in project textdb by TextDB.

the class ProjectionOperatorTest method cleanUp.

@AfterClass
public static void cleanUp() throws Exception {
    RelationManager relationManager = RelationManager.getRelationManager();
    relationManager.deleteTable(PEOPLE_TABLE);
}

Example 25 with RelationManager

use of edu.uci.ics.textdb.storage.RelationManager in project textdb by TextDB.

the class ProjectionOperatorTest method setUp.

@BeforeClass
public static void setUp() throws Exception {
    RelationManager relationManager = RelationManager.getRelationManager();
    // create the people table and write tuples
    relationManager.createTable(PEOPLE_TABLE, "../index/test_tables/" + PEOPLE_TABLE, TestConstants.SCHEMA_PEOPLE, LuceneAnalyzerConstants.standardAnalyzerString());
    DataWriter peopleDataWriter = relationManager.getTableDataWriter(PEOPLE_TABLE);
    peopleDataWriter.open();
    for (Tuple tuple : TestConstants.getSamplePeopleTuples()) {
        peopleDataWriter.insertTuple(tuple);
    }
    peopleDataWriter.close();
}