本文整理汇总了C++中DataWriter_var::get_topic方法的典型用法代码示例。如果您正苦于以下问题：C++ DataWriter_var::get_topic方法的具体用法？C++ DataWriter_var::get_topic怎么用？C++ DataWriter_var::get_topic使用的例子？那么, 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类DataWriter_var的用法示例。
在下文中一共展示了DataWriter_var::get_topic方法的2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: recreate_data_writer_and_topic
void recreate_data_writer_and_topic(DataWriter_var& dw, const DataReader_var& dr)
{
DataWriterQos dw_qos;
dw->get_qos(dw_qos);
Topic_var topic = dw->get_topic();
TopicQos topic_qos;
topic->get_qos(topic_qos);
CORBA::String_var topic_name = topic->get_name(),
type_name = topic->get_type_name();
Publisher_var pub = dw->get_publisher();
DomainParticipant_var dp = pub->get_participant();
pub->delete_datawriter(dw);
dw = 0;
dp->delete_topic(topic);
topic = 0;
// Wait until the data reader is not associated with the writer.
wait_match (dr, 0);
topic = dp->create_topic(topic_name, type_name, topic_qos, 0, 0);
if (!topic) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to re-create topic\n"));
return;
}
dw = pub->create_datawriter(topic, dw_qos, 0, 0);
if (!dw) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to re-create data writer\n"));
}
}示例2: run_test
//.........这里部分代码省略.........
if (ret != RETCODE_OK) {
ACE_DEBUG((LM_ERROR, "ERROR: %P could not read TestMsg: %d\n", ret));
return false;
}
bool ok = false;
for (CORBA::ULong i = 0; i < data.length(); ++i) {
if (infos[i].valid_data) {
ok = true;
ACE_DEBUG((LM_DEBUG, "%P Read data sample: %d\n", data[i].value));
}
}
if (!ok) {
ACE_DEBUG((LM_ERROR, "ERROR: %P no valid data from TestMsg data reader\n"));
}
// Change dp qos
{
DomainParticipantQos dp_qos;
dp_pub->get_qos(dp_qos);
set_qos(dp_qos.user_data.value, TestConfig::PARTICIPANT_USER_DATA2());
dp_pub->set_qos(dp_qos);
}
// Change dw qos
{
DataWriterQos dw_qos;
dw->get_qos(dw_qos);
set_qos(dw_qos.user_data.value, TestConfig::DATA_WRITER_USER_DATA2());
dw->set_qos(dw_qos);
}
// Change dr qos
{
DataReaderQos dr_qos;
dr->get_qos(dr_qos);
set_qos(dr_qos.user_data.value, TestConfig::DATA_READER_USER_DATA2());
dr->set_qos(dr_qos);
}
// Wait for propagation
ACE_OS::sleep(3);
if (!read_participant_bit(bit_sub, dp_sub, pub_repo_id, TestConfig::PARTICIPANT_USER_DATA2())) {
return false;
}
if (!read_publication_bit(bit_sub, dp_sub, pub_repo_id, ig_ih, TestConfig::DATA_WRITER_USER_DATA2(), TestConfig::TOPIC_DATA(), 1, 1)) {
return false;
}
if (!read_subscription_bit(dp_pub->get_builtin_subscriber(), dp_pub, sub_repo_id, ig_ih, TestConfig::DATA_READER_USER_DATA2(), TestConfig::TOPIC_DATA())) {
return false;
}
// Set dw topic qos
Topic_var topic = dw->get_topic();
TopicQos topic_qos;
topic->get_qos(topic_qos);
set_qos(topic_qos.topic_data.value, TestConfig::TOPIC_DATA2());
topic->set_qos(topic_qos);
// Set dr topic qos
TopicDescription_var topic_desc = dr->get_topicdescription();
topic = Topic::_narrow(topic_desc);
topic->get_qos(topic_qos);
set_qos(topic_qos.topic_data.value, TestConfig::TOPIC_DATA2());
topic->set_qos(topic_qos);
// Wait for propagation
ACE_OS::sleep(3);
if (!read_publication_bit(bit_sub, dp_sub, pub_repo_id, ig_ih, TestConfig::DATA_WRITER_USER_DATA2(), TestConfig::TOPIC_DATA2(), 1, 1)) {
return false;
}
if (!read_subscription_bit(dp_pub->get_builtin_subscriber(), dp_pub, sub_repo_id, ig_ih, TestConfig::DATA_READER_USER_DATA2(), TestConfig::TOPIC_DATA2())) {
return false;
}
// Test ignore
dp_sub->ignore_publication(pub_ih);
if (!read_publication_bit(bit_sub, dp_sub, pub_repo_id, pub_ih, TestConfig::DATA_WRITER_USER_DATA2(), TestConfig::TOPIC_DATA2(), 0, 0)) {
ACE_ERROR_RETURN((LM_ERROR,
ACE_TEXT("ERROR: %P Could not ignore publication\n")), false);
}
dp_pub->ignore_subscription(sub_ih);
if (!read_subscription_bit(dp_pub->get_builtin_subscriber(), dp_pub, sub_repo_id, sub_ih, TestConfig::DATA_READER_USER_DATA2(), TestConfig::TOPIC_DATA2(), true)) {
ACE_ERROR_RETURN((LM_ERROR,
ACE_TEXT("ERROR: %P Could not ignore subscription\n")), false);
}
dp_sub->ignore_participant(dp_pub_ih);
InstanceHandleSeq handles;
dp_sub->get_discovered_participants(handles);
// Check that the handle is no longer in the sequence.
for (CORBA::ULong i = 0; i < handles.length (); ++i) {
if (handles[i] == dp_pub_ih) {
ACE_ERROR_RETURN((LM_ERROR,
ACE_TEXT("ERROR: %P Could not ignore participant\n")), false);
}
}
return ok;
}