Examples with DelegatingDataRow org.apache.ignite.internal.storage.basic.DelegatingDataRow used on opensource projects

Example 1 with DelegatingDataRow

use of org.apache.ignite.internal.storage.basic.DelegatingDataRow in project ignite-3 by apache.

the class RocksDbPartitionStorage method invoke.

/**
 * {@inheritDoc}
 */
@Nullable
@Override
public <T> T invoke(SearchRow key, InvokeClosure<T> clo) throws StorageException {
    try {
        byte[] partitionKey = partitionKey(key);
        byte[] existingDataBytes = data.get(partitionKey);
        clo.call(existingDataBytes == null ? null : new DelegatingDataRow(key, existingDataBytes));
        switch(clo.operationType()) {
            case WRITE:
                DataRow newRow = clo.newRow();
                assert newRow != null;
                byte[] value = newRow.valueBytes();
                assert value != null;
                data.put(partitionKey, value);
                break;
            case REMOVE:
                data.delete(partitionKey);
                break;
            case NOOP:
                break;
            default:
                throw new UnsupportedOperationException(String.valueOf(clo.operationType()));
        }
        return clo.result();
    } catch (RocksDBException e) {
        throw new StorageException("Failed to access data in the storage", e);
    }
}

Example 2 with DelegatingDataRow

use of org.apache.ignite.internal.storage.basic.DelegatingDataRow in project ignite-3 by apache.

the class VersionedRowStore method pack.

/**
 * Packs a multi-versioned value.
 *
 * @param key The key.
 * @param value The value.
 * @return Data row.
 */
private static DataRow pack(SearchRow key, Value value) {
    byte[] b1 = null;
    byte[] b2 = null;
    int l1 = value.newRow == null ? 0 : (b1 = value.newRow.bytes()).length;
    int l2 = value.oldRow == null ? 0 : (b2 = value.oldRow.bytes()).length;
    // TODO asch write only values.
    ByteBuffer buf = ByteBuffer.allocate(4 + l1 + 4 + l2 + 16);
    buf.asIntBuffer().put(l1);
    buf.position(4);
    if (l1 > 0) {
        buf.put(b1);
    }
    buf.asIntBuffer().put(l2);
    buf.position(buf.position() + 4);
    if (l2 > 0) {
        buf.put(b2);
    }
    buf.putLong(value.timestamp.getTimestamp());
    buf.putLong(value.timestamp.getNodeId());
    return new DelegatingDataRow(key, buf.array());
}

Example 3 with DelegatingDataRow

use of org.apache.ignite.internal.storage.basic.DelegatingDataRow in project ignite-3 by apache.

the class RocksDbPartitionStorage method readAll.

/**
 * {@inheritDoc}
 */
@Override
public Collection<DataRow> readAll(List<? extends SearchRow> keys) throws StorageException {
    int resultSize = keys.size();
    List<byte[]> values;
    try {
        values = db.multiGetAsList(nCopies(resultSize, data.handle()), getKeys(keys));
    } catch (RocksDBException e) {
        throw new StorageException("Failed to read data from the storage", e);
    }
    assert resultSize == values.size();
    List<DataRow> res = new ArrayList<>(resultSize);
    for (int i = 0; i < resultSize; i++) {
        byte[] value = values.get(i);
        if (value != null) {
            res.add(new DelegatingDataRow(keys.get(i), value));
        }
    }
    return res;
}