Examples with ByteBuffer java.nio.ByteBuffer used on opensource projects

Example 91 with ByteBuffer

use of java.nio.ByteBuffer in project honeycomb by altamiracorp.

the class RowOperationsIT method testUpdateRow.

@Test
public void testUpdateRow() {
    final Map<String, ByteBuffer> map = Maps.newHashMap();
    map.put(TestConstants.COLUMN1, ITUtils.encodeValue(INDEX_COL_VALUE));
    map.put(TestConstants.COLUMN2, ITUtils.encodeValue(6));
    final Row row = new Row(map, UUID.randomUUID());
    proxy.insertRow(row.serialize());
    proxy.flush();
    final QueryKey key = ITUtils.createKey(INDEX_COL_VALUE, QueryType.EXACT_KEY);
    proxy.startIndexScan(key.serialize());
    final Row r = Row.deserialize(proxy.getNextRow());
    map.put(TestConstants.COLUMN1, ITUtils.encodeValue(3));
    final Row newRow = new Row(map, r.getUUID());
    proxy.updateRow(r.serialize(), newRow.serialize());
    proxy.flush();
    final byte[] result = proxy.getRow(Util.UUIDToBytes(r.getUUID()));
    assertThat(Row.deserialize(result), equalTo(newRow));
}

Example 92 with ByteBuffer

use of java.nio.ByteBuffer in project honeycomb by altamiracorp.

the class ScanOperationsIT method testAfterKeyWithNullScan.

@Test
public void testAfterKeyWithNullScan() {
    ITUtils.insertNullData(proxy, ROW_COUNT, TestConstants.COLUMN1);
    ITUtils.insertData(proxy, ROW_COUNT, INDEX_COL_VALUE);
    ITUtils.insertData(proxy, ROW_COUNT, INDEX_COL_VALUE + 1);
    final Map<String, ByteBuffer> keyValues = Maps.newHashMap();
    keyValues.put(TestConstants.COLUMN1, ITUtils.encodeValue(2));
    final QueryKey key = new QueryKey(TestConstants.INDEX2, QueryType.AFTER_KEY, keyValues);
    ITUtils.assertReceivingDifferentRows(proxy, key, ROW_COUNT + ROW_COUNT);
}

Example 93 with ByteBuffer

use of java.nio.ByteBuffer in project honeycomb by altamiracorp.

the class IndexRowKeyBuilder method build.

/**
     * Creates an {@link IndexRowKey} instance with the parameters supplied to the builder.
     * Precondition:
     *
     * @return A new row instance constructed by the builder
     */
public IndexRowKey build() {
    checkState(order != null, "Sort order must be set on IndexRowBuilder.");
    List<byte[]> encodedRecords = Lists.newArrayList();
    if (fields != null) {
        for (String column : tableSchema.getIndexSchema(indexName).getColumns()) {
            if (!fields.containsKey(column)) {
                continue;
            }
            ByteBuffer record = fields.get(column);
            if (record != null) {
                byte[] encodedRecord = encodeValue(record, tableSchema.getColumnSchema(column));
                encodedRecords.add(order == SortOrder.Ascending ? encodedRecord : reverseValue(encodedRecord));
            } else {
                encodedRecords.add(null);
            }
        }
    }
    if (order == SortOrder.Ascending) {
        return new AscIndexRowKey(tableId, indexId, encodedRecords, uuid);
    }
    return new DescIndexRowKey(tableId, indexId, encodedRecords, uuid);
}

Example 94 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class BluetoothSocket method readInt.

private int readInt(InputStream is) throws IOException {
    byte[] ibytes = new byte[4];
    int ret = readAll(is, ibytes);
    if (VDBG)
        Log.d(TAG, "inputStream.read ret: " + ret);
    ByteBuffer bb = ByteBuffer.wrap(ibytes);
    bb.order(ByteOrder.nativeOrder());
    return bb.getInt();
}

Example 95 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class BluetoothSocket method waitSocketSignal.

private String waitSocketSignal(InputStream is) throws IOException {
    byte[] sig = new byte[SOCK_SIGNAL_SIZE];
    int ret = readAll(is, sig);
    if (VDBG)
        Log.d(TAG, "waitSocketSignal read " + SOCK_SIGNAL_SIZE + " bytes signal ret: " + ret);
    ByteBuffer bb = ByteBuffer.wrap(sig);
    /* the struct in native is decorated with __attribute__((packed)), hence this is possible */
    bb.order(ByteOrder.nativeOrder());
    int size = bb.getShort();
    if (size != SOCK_SIGNAL_SIZE)
        throw new IOException("Connection failure, wrong signal size: " + size);
    byte[] addr = new byte[6];
    bb.get(addr);
    int channel = bb.getInt();
    int status = bb.getInt();
    // Convert to unsigned value
    mMaxTxPacketSize = (bb.getShort() & 0xffff);
    // Convert to unsigned value
    mMaxRxPacketSize = (bb.getShort() & 0xffff);
    String RemoteAddr = convertAddr(addr);
    if (VDBG)
        Log.d(TAG, "waitSocketSignal: sig size: " + size + ", remote addr: " + RemoteAddr + ", channel: " + channel + ", status: " + status + " MaxRxPktSize: " + mMaxRxPacketSize + " MaxTxPktSize: " + mMaxTxPacketSize);
    if (status != 0)
        throw new IOException("Connection failure, status: " + status);
    return RemoteAddr;
}