TopicPattern Class Reference

Specify a pattern of topics to query. More...

#include <QueryOptions.hh>

Public Member Functions
	TopicPattern (const std::regex &_pattern, const QualifiedTimeRange &_timeRange=QualifiedTimeRange::AllTime())
	Query for topics that match a pattern, over a specified time range (by default, all time). More...
	TopicPattern (const TopicPattern &_other)
	Copy constructor. More...
	TopicPattern (TopicPattern &&_other)
	Move constructor. More...
	~TopicPattern ()
	Destructor. More...
std::vector< SqlStatement >	GenerateStatements (const Descriptor &_descriptor) const override
	Generate one or more SQL query statements to be used by the log file to produce a Batch of messages. More...
std::regex &	Pattern ()
	Pattern for this option. More...
const std::regex &	Pattern () const
	Pattern for this option. More...
Public Member Functions inherited from QueryOptions
virtual	~QueryOptions ()=default
	Virtual destructor. More...
Public Member Functions inherited from TimeRangeOption
	TimeRangeOption (const QualifiedTimeRange &_timeRange)
	Constructor that sets the initial time range option. More...
	TimeRangeOption (const TimeRangeOption &_other)
	Copy constructor. More...
	TimeRangeOption (TimeRangeOption &&_other)
	Move constructor. More...
	~TimeRangeOption ()
	Destructor. More...
SqlStatement	GenerateTimeConditions () const
	Generate a SQL string to represent the time conditions. This should be appended to a SQL statement after a WHERE keyword. More...
QualifiedTimeRange &	TimeRange ()
	Chosen time range. More...
const QualifiedTimeRange &	TimeRange () const
	Chosen time range. More...

Additional Inherited Members
Static Public Member Functions inherited from QueryOptions
static SqlStatement	StandardMessageQueryClose ()
	Get a standard ending to a SQL statement that will instruct the queries to be ordered by the time the messages were received by the logger. It will also end the statement with a semicolon. More...
static SqlStatement	StandardMessageQueryPreamble ()
	Get a standard SQL statement preamble, from the SELECT keyword up to (but not including) the WHERE keyword. This preamble will make sure that the statement is formatted in a way that MsgIter will have the information it needs. More...

Detailed Description

Specify a pattern of topics to query.

Constructor & Destructor Documentation

TopicPattern() [1/3]

TopicPattern	(	const std::regex &	_pattern,
		const QualifiedTimeRange &	_timeRange = QualifiedTimeRange::AllTime()
	)

Query for topics that match a pattern, over a specified time range (by default, all time).

Parameters

[in]	_pattern	The initial pattern that this option should use
[in]	_timeRange	The initial range of time for this option

TopicPattern() [2/3]

TopicPattern

(

const TopicPattern &

_other

)

Copy constructor.

Parameters

[in]

_other

Another TopicPattern

TopicPattern() [3/3]

TopicPattern

(

TopicPattern &&

_other

)

Move constructor.

Parameters

[in]

_other

Another TopicPattern

~TopicPattern()

~TopicPattern

(

)

Destructor.

Member Function Documentation

GenerateStatements()

std::vector<SqlStatement> GenerateStatements ( const Descriptor &  _descriptor ) const

overridevirtual

Generate one or more SQL query statements to be used by the log file to produce a Batch of messages.

Parameters

[in]

_descriptor

A Descriptor to help form the SQL statements

Returns

One or more SQL statements.

Implements QueryOptions.

Pattern() [1/2]

std::regex& Pattern

(

)

Pattern for this option.

Returns

A mutable reference to the regular expression pattern that this option will query for.

Pattern() [2/2]

const std::regex& Pattern

(

)

const

Pattern for this option.

Returns

A const reference to the regular expression pattern that this option will query for.

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

• gz/transport/log/QueryOptions.hh