本文整理汇总了C++中DataReader_var::delete_contained_entities方法的典型用法代码示例。如果您正苦于以下问题:C++ DataReader_var::delete_contained_entities方法的具体用法?C++ DataReader_var::delete_contained_entities怎么用?C++ DataReader_var::delete_contained_entities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DataReader_var
的用法示例。
在下文中一共展示了DataReader_var::delete_contained_entities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: run_test
//.........这里部分代码省略.........
DomainParticipantFactory_var dpf = TheParticipantFactoryWithArgs(argc, argv);
DomainParticipant_var dp = dpf->create_participant(23,
PARTICIPANT_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
MessageTypeSupport_var ts = new MessageTypeSupportImpl;
// leave type name not speficied would register it with _interface_repository_id
ts->register_type(dp, "");
CORBA::String_var type_name = ts->get_type_name();
Topic_var topic = dp->create_topic("MyTopic", type_name,
TOPIC_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Publisher_var pub = dp->create_publisher(PUBLISHER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
DataWriter_var dw = pub->create_datawriter(topic, DATAWRITER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Subscriber_var sub = dp->create_subscriber(SUBSCRIBER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
DataReader_var dr = sub->create_datareader(topic, DATAREADER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
StatusCondition_var dw_sc = dw->get_statuscondition();
dw_sc->set_enabled_statuses(PUBLICATION_MATCHED_STATUS);
ws->attach_condition(dw_sc);
Duration_t infinite = {DURATION_INFINITE_SEC, DURATION_INFINITE_NSEC};
ConditionSeq active;
ws->wait(active, infinite);
ws->detach_condition(dw_sc);
ReturnCode_t ret = RETCODE_OK;
MessageDataWriter_var mdw = MessageDataWriter::_narrow(dw);
Message msg = {0};
for (int i(0); i < 12; ++i) {
++msg.subject_id;
ret = mdw->write(msg, HANDLE_NIL);
if (ret != RETCODE_OK) return ret;
}
ReadCondition_var dr_rc = dr->create_readcondition(NOT_READ_SAMPLE_STATE,
NEW_VIEW_STATE, ALIVE_INSTANCE_STATE);
ReadCondition_var dr_rc2 = dr->create_readcondition(ANY_SAMPLE_STATE,
ANY_VIEW_STATE, NOT_ALIVE_DISPOSED_INSTANCE_STATE);
ws->attach_condition(dr_rc);
ws->attach_condition(dr_rc2);
MessageDataReader_var mdr = MessageDataReader::_narrow(dr);
bool passed = true, done = false;
while (!done) {
ret = ws->wait(active, infinite);
if (ret != RETCODE_OK) {
passed = false;
break;
}
cout << "wait returned" << endl;
for (CORBA::ULong i(0); i < active.length(); ++i) {
if (active[i] == dr_rc) {
// To test both take_w_condition and
// take_next_instance_w_condition, we'll limit the "take" to 3
// samples and then use take_next_instance_w_condition.
MessageSeq data;
SampleInfoSeq info;
ret = mdr->take_w_condition(data, info, 3, dr_rc);
if (ret != RETCODE_OK && ret != RETCODE_NO_DATA) {
cout << "ERROR: take_w_condition returned " << ret << endl;
passed = false;
done = true;
}
if (ret == RETCODE_OK) {
received_data(data, mdw, msg);
}
cout << "testing take_next_instance_w_condition" << endl;
InstanceHandle_t handle = HANDLE_NIL;
while (true) {
ret = mdr->take_next_instance_w_condition(data, info, 1,
handle, dr_rc);
if (ret == RETCODE_NO_DATA) break;
if (ret != RETCODE_OK) {
cout << "ERROR: take_next_instance_w_condition returned "
<< ret << endl;
passed = false;
done = true;
}
received_data(data, mdw, msg);
handle = info[info.length() - 1].instance_handle;
}
} else if (active[i] == dr_rc2) {
cout << "an instance has been disposed, exiting" << endl;
done = true;
}
}
}
ws->detach_condition(dr_rc);
dr->delete_readcondition(dr_rc);
ws->detach_condition(dr_rc2);
// Instead of: dr->delete_readcondition(dr_rc2);
dr->delete_contained_entities();
dp->delete_contained_entities();
dpf->delete_participant(dp);
return passed ? 0 : 1;
}