OpenDDS::DCPS::TopicDescriptionImpl Class Reference

Implements the DDS::TopicDescription interface. More...

#include <TopicDescriptionImpl.h>

Inheritance diagram for OpenDDS::DCPS::TopicDescriptionImpl:

[legend]Collaboration diagram for OpenDDS::DCPS::TopicDescriptionImpl:

[legend]List of all members.

Public Member Functions
	TopicDescriptionImpl (const char *topic_name, const char *type_name, TypeSupport_ptr type_support, DomainParticipantImpl *participant)
virtual	~TopicDescriptionImpl ()
virtual char *	get_type_name ()
virtual char *	get_name ()
virtual DDS::DomainParticipant_ptr	get_participant ()
OpenDDS::DCPS::TypeSupport_ptr	get_type_support ()
bool	has_reader () const
void	update_reader_count (bool increment)
Protected Attributes
ACE_CString	topic_name_
	The name of the topic.
ACE_CString	type_name_
	The datatype of the topic.
DomainParticipantImpl *	participant_
	The participant that creates this topic.
OpenDDS::DCPS::TypeSupport_ptr	type_support_
	The type_support for this topic.
ACE_Atomic_Op< ACE_Thread_Mutex, unsigned long >	reader_count_

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Detailed Description

Implements the DDS::TopicDescription interface.

See the DDS specification, OMG formal/04-12-02, for a description of the interface this class is implementing.

Definition at line 36 of file TopicDescriptionImpl.h.

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Constructor & Destructor Documentation

OpenDDS::DCPS::TopicDescriptionImpl::TopicDescriptionImpl	(	const char *	topic_name,
		const char *	type_name,
		TypeSupport_ptr	type_support,
		DomainParticipantImpl *	participant
	)

Definition at line 18 of file TopicDescriptionImpl.cpp.

References type_support_.

  : topic_name_(topic_name),
    type_name_(type_name),
    participant_(participant),
    type_support_(type_support)
{
  // make sure the type_support doesn't get deleted while
  // were still using it.
  if (type_support_)
    type_support_->_add_ref();
}

OpenDDS::DCPS::TopicDescriptionImpl::~TopicDescriptionImpl

(

)

[virtual]

Definition at line 34 of file TopicDescriptionImpl.cpp.

References type_support_.

{
  // were finished with the type_support
  if (type_support_)
    type_support_->_remove_ref();
}

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Member Function Documentation

char * OpenDDS::DCPS::TopicDescriptionImpl::get_name

(

)

[virtual]

Implements DDS::TopicDescription.

Definition at line 48 of file TopicDescriptionImpl.cpp.

References CORBA::string_dup(), and topic_name_.

Referenced by OpenDDS::DCPS::PublisherImpl::create_datawriter(), OpenDDS::DCPS::DomainParticipantImpl::delete_topic_i(), OpenDDS::DCPS::RecorderImpl::enable(), OpenDDS::DCPS::DataReaderImpl::enable(), OpenDDS::DCPS::DataReaderImpl::get_topic_name(), OpenDDS::DCPS::ReplayerImpl::init(), OpenDDS::DCPS::DataWriterImpl::init(), and OpenDDS::DCPS::TopicMonitorImpl::report().

{
  return CORBA::string_dup(topic_name_.c_str());
}

DDS::DomainParticipant_ptr OpenDDS::DCPS::TopicDescriptionImpl::get_participant

(

)

[virtual]

Implements DDS::TopicDescription.

Definition at line 54 of file TopicDescriptionImpl.cpp.

References participant_.

Referenced by OpenDDS::DCPS::DomainParticipantImpl::delete_topic_i(), and OpenDDS::DCPS::TopicMonitorImpl::report().

{
  return DDS::DomainParticipant::_duplicate(participant_);
}

char * OpenDDS::DCPS::TopicDescriptionImpl::get_type_name

(

)

[virtual]

Implements DDS::TopicDescription.

Definition at line 42 of file TopicDescriptionImpl.cpp.

References CORBA::string_dup(), and type_name_.

Referenced by OpenDDS::DCPS::ReplayerImpl::init(), OpenDDS::DCPS::DataWriterImpl::init(), and OpenDDS::DCPS::TopicMonitorImpl::report().

{
  return CORBA::string_dup(type_name_.c_str());
}

OpenDDS::DCPS::TypeSupport_ptr OpenDDS::DCPS::TopicDescriptionImpl::get_type_support

(

)

This method is not defined in the IDL and is defined for internal use. Return the type support of the topic.

Definition at line 60 of file TopicDescriptionImpl.cpp.

References type_support_.

Referenced by OpenDDS::DCPS::SubscriberImpl::create_datareader(), OpenDDS::DCPS::PublisherImpl::create_datawriter(), OpenDDS::DCPS::DataWriterImpl::filter_out(), OpenDDS::DCPS::MultiTopicDataReaderBase::init(), and OpenDDS::DCPS::MultiTopicDataReaderBase::metaStructFor().

{
  return type_support_;
}

bool OpenDDS::DCPS::TopicDescriptionImpl::has_reader

(

)

const [inline]

Definition at line 63 of file TopicDescriptionImpl.h.

                          {
    return reader_count_ > 0;
  }

void OpenDDS::DCPS::TopicDescriptionImpl::update_reader_count

(

bool

increment

)

[inline]

Definition at line 67 of file TopicDescriptionImpl.h.

Referenced by OpenDDS::DCPS::DataReaderImpl::cleanup(), and OpenDDS::DCPS::DataReaderImpl::enable_filtering().

                                           {
    if (increment) ++reader_count_;
    else --reader_count_;
  }

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Member Data Documentation

DomainParticipantImpl* OpenDDS::DCPS::TopicDescriptionImpl::participant_ [protected]

The participant that creates this topic.

Definition at line 81 of file TopicDescriptionImpl.h.

Referenced by OpenDDS::DCPS::TopicImpl::enable(), OpenDDS::DCPS::TopicImpl::get_instance_handle(), get_participant(), OpenDDS::DCPS::TopicImpl::inconsistent_topic(), and OpenDDS::DCPS::TopicImpl::set_qos().

ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> OpenDDS::DCPS::TopicDescriptionImpl::reader_count_ [protected]

Definition at line 87 of file TopicDescriptionImpl.h.

ACE_CString OpenDDS::DCPS::TopicDescriptionImpl::topic_name_ [protected]

The name of the topic.

Definition at line 76 of file TopicDescriptionImpl.h.

Referenced by get_name().

ACE_CString OpenDDS::DCPS::TopicDescriptionImpl::type_name_ [protected]

The datatype of the topic.

Definition at line 78 of file TopicDescriptionImpl.h.

Referenced by get_type_name(), and OpenDDS::DCPS::TopicImpl::type_name().

OpenDDS::DCPS::TypeSupport_ptr OpenDDS::DCPS::TopicDescriptionImpl::type_support_ [protected]

The type_support for this topic.

Definition at line 84 of file TopicDescriptionImpl.h.

Referenced by get_type_support(), TopicDescriptionImpl(), and ~TopicDescriptionImpl().

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The documentation for this class was generated from the following files:

• TopicDescriptionImpl.h
• TopicDescriptionImpl.cpp

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