Examples with MetaField com.torodb.core.transaction.metainf.MetaField used on opensource projects

Example 11 with MetaField

use of com.torodb.core.transaction.metainf.MetaField in project torodb by torodb.

the class SqlWriteTorodTransaction method deleteByAttRef.

@Override
public long deleteByAttRef(String dbName, String colName, AttributeReference attRef, KvValue<?> value) {
    MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
    if (db == null) {
        return 0;
    }
    MetaCollection col = db.getMetaCollectionByName(colName);
    if (col == null) {
        return 0;
    }
    TableRef tableRef = extractTableRef(attRef);
    String lastKey = extractKeyName(attRef.getKeys().get(attRef.getKeys().size() - 1));
    MetaDocPart docPart = col.getMetaDocPartByTableRef(tableRef);
    if (docPart == null) {
        return 0;
    }
    MetaField field = docPart.getMetaFieldByNameAndType(lastKey, FieldType.from(value.getType()));
    if (field == null) {
        return 0;
    }
    Collection<Integer> dids = getInternalTransaction().getBackendTransaction().findByField(db, col, docPart, field, value).asDidCursor().getRemaining();
    getInternalTransaction().getBackendTransaction().deleteDids(db, col, dids);
    return dids.size();
}

Example 12 with MetaField

use of com.torodb.core.transaction.metainf.MetaField in project torodb by torodb.

the class AbstractReadInterface method getCollectionDidsWithFieldsInBatch.

@SuppressFBWarnings(value = { "OBL_UNSATISFIED_OBLIGATION", "ODR_OPEN_DATABASE_RESOURCE" }, justification = "ResultSet is wrapped in a Cursor<Integer>. It's iterated and closed in caller code")
private Cursor<Integer> getCollectionDidsWithFieldsInBatch(DSLContext dsl, MetaDatabase metaDatabase, MetaCollection metaCol, MetaDocPart metaDocPart, Multimap<MetaField, KvValue<?>> valuesMultimap) throws SQLException {
    @SuppressWarnings("checkstyle:LineLength") Provider<Stream<Map.Entry<MetaField, Collection<KvValue<?>>>>> valuesMultimapSortedStreamProvider = () -> valuesMultimap.asMap().entrySet().stream().sorted((e1, e2) -> e1.getKey().getIdentifier().compareTo(e2.getKey().getIdentifier()));
    String statement = getReadCollectionDidsWithFieldInStatement(metaDatabase.getIdentifier(), metaDocPart.getIdentifier(), valuesMultimapSortedStreamProvider.get().map(e -> new Tuple2<String, Integer>(e.getKey().getIdentifier(), e.getValue().size())));
    Connection connection = dsl.configuration().connectionProvider().acquire();
    try {
        PreparedStatement preparedStatement = connection.prepareStatement(statement);
        int parameterIndex = 1;
        Iterator<Map.Entry<MetaField, Collection<KvValue<?>>>> valuesMultimapSortedIterator = valuesMultimapSortedStreamProvider.get().iterator();
        while (valuesMultimapSortedIterator.hasNext()) {
            Map.Entry<MetaField, Collection<KvValue<?>>> valuesMultimapEntry = valuesMultimapSortedIterator.next();
            for (KvValue<?> value : valuesMultimapEntry.getValue()) {
                sqlHelper.setPreparedStatementValue(preparedStatement, parameterIndex, valuesMultimapEntry.getKey().getType(), value);
                parameterIndex++;
            }
        }
        return new DefaultDidCursor(errorHandler, preparedStatement.executeQuery());
    } finally {
        dsl.configuration().connectionProvider().release(connection);
    }
}