Examples with StorageException edu.uci.ics.textdb.api.exception.StorageException used on opensource projects

Example 11 with StorageException

use of edu.uci.ics.textdb.api.exception.StorageException in project textdb by TextDB.

the class MedlineIndexWriter method writeMedlineIndex.

public static void writeMedlineIndex(Path medlineFilepath, String tableName) throws IOException, StorageException, ParseException {
    RelationManager relationManager = RelationManager.getRelationManager();
    DataWriter dataWriter = relationManager.getTableDataWriter(tableName);
    dataWriter.open();
    BufferedReader reader = Files.newBufferedReader(medlineFilepath);
    String line;
    while ((line = reader.readLine()) != null) {
        try {
            dataWriter.insertTuple(recordToTuple(line));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    reader.close();
    dataWriter.close();
}

Example 12 with StorageException

use of edu.uci.ics.textdb.api.exception.StorageException in project textdb by TextDB.

the class DataReader method getNextTuple.

@Override
public Tuple getNextTuple() throws StorageException {
    if (cursor == CLOSED) {
        throw new StorageException(ErrorMessages.OPERATOR_NOT_OPENED);
    }
    Tuple resultTuple;
    try {
        if (cursor >= scoreDocs.length) {
            return null;
        }
        int docID = scoreDocs[cursor].doc;
        resultTuple = constructTuple(docID);
    } catch (IOException | ParseException e) {
        throw new StorageException(e.getMessage(), e);
    }
    cursor++;
    return resultTuple;
}

Example 13 with StorageException

use of edu.uci.ics.textdb.api.exception.StorageException in project textdb by TextDB.

the class DataReader method open.

@Override
public void open() throws StorageException {
    if (cursor != CLOSED) {
        return;
    }
    try {
        String indexDirectoryStr = this.dataStore.getDataDirectory();
        Directory indexDirectory = FSDirectory.open(Paths.get(indexDirectoryStr));
        luceneIndexReader = DirectoryReader.open(indexDirectory);
        luceneIndexSearcher = new IndexSearcher(luceneIndexReader);
        TopDocs topDocs = luceneIndexSearcher.search(query, Integer.MAX_VALUE);
        scoreDocs = topDocs.scoreDocs;
        inputSchema = this.dataStore.getSchema();
        if (payloadAdded) {
            outputSchema = Utils.addAttributeToSchema(inputSchema, SchemaConstants.PAYLOAD_ATTRIBUTE);
        } else {
            outputSchema = inputSchema;
        }
    } catch (IOException e) {
        throw new StorageException(e.getMessage(), e);
    }
    cursor = OPENED;
}

Example 14 with StorageException

use of edu.uci.ics.textdb.api.exception.StorageException in project textdb by TextDB.

the class DataWriter method open.

public void open() throws StorageException {
    if (this.luceneIndexWriter == null || !this.luceneIndexWriter.isOpen()) {
        try {
            Directory directory = FSDirectory.open(Paths.get(this.indexDirectory));
            IndexWriterConfig conf = new IndexWriterConfig(analyzer);
            this.luceneIndexWriter = new IndexWriter(directory, conf);
            this.isOpen = true;
        } catch (IOException e) {
            throw new StorageException(e.getMessage(), e);
        }
    }
}

Example 15 with StorageException

use of edu.uci.ics.textdb.api.exception.StorageException in project textdb by TextDB.

the class RelationManager method initializeCatalog.

/*
     * Initializes the system catalog tables.
     */
private void initializeCatalog() throws StorageException {
    try {
        // create table catalog
        writeTableInfoToCatalog(CatalogConstants.TABLE_CATALOG.toLowerCase(), new File(CatalogConstants.TABLE_CATALOG_DIRECTORY).getCanonicalPath(), CatalogConstants.TABLE_CATALOG_SCHEMA, LuceneAnalyzerConstants.standardAnalyzerString());
        // create schema catalog
        writeTableInfoToCatalog(CatalogConstants.SCHEMA_CATALOG.toLowerCase(), new File(CatalogConstants.SCHEMA_CATALOG_DIRECTORY).getCanonicalPath(), CatalogConstants.SCHEMA_CATALOG_SCHEMA, LuceneAnalyzerConstants.standardAnalyzerString());
    } catch (IOException e) {
        throw new StorageException(e);
    }
}