ers::NullStream Struct Reference

Null stream. More...

#include <NullStream.hpp>

Inheritance diagram for ers::NullStream:

Collaboration diagram for ers::NullStream:

Public Member Functions
void	write (const Issue &) override
bool	isNull () const override
Public Member Functions inherited from ers::OutputStream
virtual	~OutputStream ()
	Sends the issue into this stream.

Additional Inherited Members
Protected Member Functions inherited from ers::OutputStream
	OutputStream ()
OutputStream &	chained ()

Detailed Description

Null stream.

This stream implementation silently discards any issue that is sent to it. In order to employ this implementation in a stream configuration the name to be used is "null". E.g. the following configuration will result in no output been produced for the ERROR stream:

    export DUNEDAQ_ERS_ERROR="null"

Author

Serguei Kolos

Definition at line 35 of file NullStream.hpp.

Member Function Documentation

isNull()

bool ers::NullStream::isNull ( ) const

inlineoverridevirtual

Reimplemented from ers::OutputStream.

Definition at line 40 of file NullStream.hpp.

        { return true; }

write()

void ers::NullStream::write ( const Issue & )

inlineoverridevirtual

Implements ers::OutputStream.

Definition at line 37 of file NullStream.hpp.

        { ; }

---

The documentation for this struct was generated from the following file:

• /github/workspace/dunedaq/sourcecode/ers/include/ers/internal/NullStream.hpp