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C# DDS.end_access方法代码示例

本文整理汇总了C#中DDS.end_access方法的典型用法代码示例。如果您正苦于以下问题:C# DDS.end_access方法的具体用法?C# DDS.end_access怎么用?C# DDS.end_access使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在DDS的用法示例。


在下文中一共展示了DDS.end_access方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: on_data_on_readers

        public override void on_data_on_readers(
                DDS.Subscriber sub)
        {
            /* IMPORTANT for GROUP access scope: Invoking begin_access() */
            sub.begin_access();

            /* Obtain DataReaders. We obtain a sequence of DataReaders that specifies
            the order in which each sample should be read */
            try {
                sub.get_datareaders(my_datareaders,
                    DDS.SampleStateKind.ANY_SAMPLE_STATE,
                    DDS.ViewStateKind.ANY_VIEW_STATE,
                    DDS.InstanceStateKind.ANY_INSTANCE_STATE);
            } catch (DDS.Exception e) {
                Console.WriteLine("get_datareaders error {0}", e);
                my_datareaders.ensure_length(0, 0);
                sub.end_access();
                return;
            }

            /* Read the samples received, following the DataReaders sequence */
            try {
                for (int i = 0; i < my_datareaders.length; ++i) {
                    try {
                        ordered_group_reader = (ordered_groupDataReader)
                            my_datareaders.get_at(i);
                    } catch (DDS.Exception e) {
                        Console.WriteLine("my_datareaders.get_at error {0}", e);
                        sub.end_access();
                        return;
                    }

                    /* IMPORTANT. Use take_next_sample(). We need to take only
                     * one sample each time, as we want to follow the sequence
                     * of DataReaders. This way the samples will be returned in
                     * the order in which they were modified
                     */
                    ordered_group_reader.take_next_sample(data, info);

                    if (info.valid_data) {
                        ordered_groupTypeSupport.print_data(data);
                    }

                    my_datareaders.ensure_length(0, 0);

                    /* IMPORTANT for GROUP access scope: Invoking end_access() */
                    sub.end_access();
                }
            } catch (DDS.Retcode_NoData noData) {
                //No data to process
            }
        }
开发者ID:hakiri,项目名称:rticonnextdds-examples,代码行数:52,代码来源:ordered_group_subscriber.cs


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