Examples with ObservableReactiveUtil com.google.cloud.spanner.r2dbc.util.ObservableReactiveUtil used on opensource projects

Example 1 with ObservableReactiveUtil

use of com.google.cloud.spanner.r2dbc.util.ObservableReactiveUtil in project cloud-spanner-r2dbc by GoogleCloudPlatform.

the class SessionCleanupUtils method getSessionNames.

private static List<String> getSessionNames() throws Exception {
    String databaseName = DatabaseName.format(ServiceOptions.getDefaultProjectId(), DatabaseProperties.INSTANCE, DatabaseProperties.DATABASE);
    String nextPageToken = null;
    List<String> sessionNames = new ArrayList<>();
    do {
        ListSessionsRequest.Builder requestBuilder = ListSessionsRequest.newBuilder().setDatabase(databaseName);
        if (nextPageToken != null) {
            requestBuilder.setPageToken(nextPageToken);
        }
        ListSessionsResponse listSessionsResponse = ObservableReactiveUtil.<ListSessionsResponse>unaryCall(obs -> spannerStub.listSessions(requestBuilder.build(), obs)).block();
        nextPageToken = listSessionsResponse.getNextPageToken();
        sessionNames.addAll(listSessionsResponse.getSessionsList().stream().map(Session::getName).collect(Collectors.toList()));
    } while (nextPageToken != null && !"".equals(nextPageToken));
    return sessionNames;
}