Examples with CellChunk com.google.bigtable.v2.ReadRowsResponse.CellChunk used on opensource projects

Example 1 with CellChunk

use of com.google.bigtable.v2.ReadRowsResponse.CellChunk in project java-bigtable by googleapis.

the class ReadRowsMergingAcceptanceTest method test.

@Test
public void test() throws Exception {
    List<ReadRowsResponse> responses = Lists.newArrayList();
    // Convert the chunks into a single ReadRowsResponse
    for (CellChunk chunk : testCase.getChunksList()) {
        ReadRowsResponse.Builder responseBuilder = ReadRowsResponse.newBuilder();
        responseBuilder.addChunks(chunk);
        responses.add(responseBuilder.build());
    }
    // Wrap the responses in a callable
    ServerStreamingCallable<ReadRowsRequest, ReadRowsResponse> source = new ServerStreamingStashCallable<>(responses);
    RowMergingCallable<Row> mergingCallable = new RowMergingCallable<>(source, new DefaultRowAdapter());
    // Invoke the callable to get the merged rows
    ServerStream<Row> stream = mergingCallable.call(ReadRowsRequest.getDefaultInstance());
    // Read all of the rows and transform them into logical cells
    List<ReadRowsTest.Result> actualResults = Lists.newArrayList();
    Exception error = null;
    try {
        for (Row row : stream) {
            for (RowCell cell : row.getCells()) {
                actualResults.add(ReadRowsTest.Result.newBuilder().setRowKeyBytes(row.getKey()).setFamilyName(cell.getFamily()).setQualifierBytes(cell.getQualifier()).setTimestampMicros(cell.getTimestamp()).setValueBytes(cell.getValue()).setLabel(cell.getLabels().isEmpty() ? "" : cell.getLabels().get(0)).build());
            }
        }
    } catch (Exception e) {
        error = e;
    }
    // Verify the results
    if (expectsError(testCase)) {
        assertThat(error).isNotNull();
    } else {
        if (error != null) {
            throw error;
        }
    }
    assertThat(getNonExceptionResults(testCase)).isEqualTo(actualResults);
}