Examples with Row com.google.cloud.bigtable.data.v2.models.Row used on opensource projects

Example 71 with Row

use of com.google.cloud.bigtable.data.v2.models.Row in project java-bigtable by googleapis.

the class BigtableDataClient method existsAsync.

/**
 * Confirms asynchronously if given row key exists or not.
 *
 * <p>Sample code:
 *
 * <pre>{@code
 * try (BigtableDataClient bigtableDataClient = BigtableDataClient.create("[PROJECT]", "[INSTANCE]")) {
 *   String tableId = "[TABLE]";
 *   final ByteString key = ByteString.copyFromUtf8("key");
 *
 *   ApiFuture<Boolean> futureResult = bigtableDataClient.existsAsync(tableId, key);
 *
 *   ApiFutures.addCallback(futureResult, new ApiFutureCallback<Boolean>() {
 *     public void onFailure(Throwable t) {
 *       t.printStackTrace();
 *     }
 *     public void onSuccess(Boolean isRowPresent) {
 *       if(isRowPresent) {
 *         System.out.println(key.toStringUtf8() + " is present");
 *       }
 *     }
 *   }, MoreExecutors.directExecutor());
 * }
 * }</pre>
 */
public ApiFuture<Boolean> existsAsync(String tableId, ByteString rowKey) {
    Query query = Query.create(tableId).rowKey(rowKey).filter(FILTERS.chain().filter(FILTERS.limit().cellsPerRow(1)).filter(FILTERS.value().strip()));
    ApiFuture<Row> resultFuture = stub.readRowCallable().futureCall(query);
    return ApiFutures.transform(resultFuture, new ApiFunction<Row, Boolean>() {

        @Override
        public Boolean apply(Row row) {
            return row != null;
        }
    }, MoreExecutors.directExecutor());
}

Example 72 with Row

use of com.google.cloud.bigtable.data.v2.models.Row in project java-bigtable by googleapis.

the class FilterMarkerRowsCallableTest method testRealRow.

@Test
public void testRealRow() {
    Row row = buildRealRow();
    ServerStreamingStashCallable<ReadRowsRequest, Row> innerCallable = new ServerStreamingStashCallable<>(Lists.newArrayList(row));
    FilterMarkerRowsCallable<Row> filterCallable = new FilterMarkerRowsCallable<>(innerCallable, rowAdapter);
    ServerStream<Row> results = filterCallable.call(ReadRowsRequest.getDefaultInstance());
    assertThat(results).containsExactly(row);
}

Example 73 with Row

use of com.google.cloud.bigtable.data.v2.models.Row in project java-bigtable by googleapis.

the class FilterMarkerRowsCallableTest method testMixed.

@Test
public void testMixed() {
    Row row = buildRealRow();
    Row markerRow = buildScanMarker();
    ServerStreamingStashCallable<ReadRowsRequest, Row> innerCallable = new ServerStreamingStashCallable<>(Lists.newArrayList(row, markerRow));
    FilterMarkerRowsCallable<Row> filterCallable = new FilterMarkerRowsCallable<>(innerCallable, rowAdapter);
    ServerStream<Row> results = filterCallable.call(ReadRowsRequest.getDefaultInstance());
    assertThat(results).containsExactly(row);
}

Example 74 with Row

use of com.google.cloud.bigtable.data.v2.models.Row in project java-bigtable by googleapis.

the class BigtableDataClientTests method readRowStrTest.

@Test
public void readRowStrTest() {
    Mockito.when(mockStub.readRowCallable()).thenReturn(mockReadRowCallable);
    Row expectedRow = Row.create(ByteString.copyFromUtf8("fake-row-key"), ImmutableList.<RowCell>of());
    Mockito.when(mockReadRowCallable.futureCall(Query.create("fake-table").rowKey("fake-row-key"))).thenReturn(ApiFutures.immediateFuture(expectedRow));
    Row actualRow = bigtableDataClient.readRow("fake-table", "fake-row-key");
    assertThat(actualRow).isEqualTo(expectedRow);
}

Example 75 with Row

use of com.google.cloud.bigtable.data.v2.models.Row in project java-bigtable by googleapis.

the class BigtableDataClientTests method readRowTest.

@Test
public void readRowTest() {
    Mockito.when(mockStub.readRowCallable()).thenReturn(mockReadRowCallable);
    Row expectedRow = Row.create(ByteString.copyFromUtf8("fake-row-key"), ImmutableList.<RowCell>of());
    Mockito.when(mockReadRowCallable.futureCall(Query.create("fake-table").rowKey("fake-row-key"))).thenReturn(ApiFutures.immediateFuture(expectedRow));
    Row actualRow = bigtableDataClient.readRow("fake-table", ByteString.copyFromUtf8("fake-row-key"));
    assertThat(actualRow).isEqualTo(expectedRow);
}