This project has retired. For details please refer to its Attic page.

org.apache.lens.server.api.metrics
Interface MetricsService

All Known Implementing Classes:

MetricsServiceImpl

public interface MetricsService

The Interface MetricsService.

Field Summary

static String	ACCEPTED_QUERIES The Constant ACCEPTED_QUERIES.
static String	CANCELLED_QUERIES Query engine counter names.
static String	FAILED_QUERIES The Constant FAILED_QUERIES.
static String	FINISHED_QUERIES The Constant FINISHED_QUERIES.
static String	NAME The Constant NAME.
static String	QUEUED_QUERIES Query engine gauge names.
static String	RUNNING_QUERIES The Constant RUNNING_QUERIES.

Method Summary

void	decrCounter(Class<?> cls, String counter) Decrement a counter with the name costructed using given class and counter name Actual name of the counter will be
void	decrCounter(String counter) Decrement a counter with the given name Actual name of the counter will be
long	getCounter(Class<?> cls, String counter) Get current value of the counter.
long	getCounter(String counter) Get current value of the counter.
long	getFinishedQueries()
long	getQueuedQueries()
long	getRunningQueries()
long	getTotalAcceptedQueries()
long	getTotalCancelledQueries()
long	getTotalFailedQueries()
long	getTotalFinishedQueries()
long	getTotalSuccessfulQueries()
void	incrCounter(Class<?> cls, String counter) Increment a counter with the name constructed using given class and counter name Actual name of the counter will be
void	incrCounter(String counter) Increment a counter with the given name Actual name of the counter will be
void	publishReport() Publish report.

Field Detail

NAME

static final String NAME

The Constant NAME.

See Also:

Constant Field Values

CANCELLED_QUERIES

static final String CANCELLED_QUERIES

Query engine counter names.

See Also:

Constant Field Values

FAILED_QUERIES

static final String FAILED_QUERIES

The Constant FAILED_QUERIES.

See Also:

Constant Field Values

ACCEPTED_QUERIES

static final String ACCEPTED_QUERIES

The Constant ACCEPTED_QUERIES.

See Also:

Constant Field Values

QUEUED_QUERIES

static final String QUEUED_QUERIES

Query engine gauge names.

See Also:

Constant Field Values

RUNNING_QUERIES

static final String RUNNING_QUERIES

The Constant RUNNING_QUERIES.

See Also:

Constant Field Values

FINISHED_QUERIES

static final String FINISHED_QUERIES

The Constant FINISHED_QUERIES.

See Also:

Constant Field Values

Method Detail

incrCounter

void incrCounter(String counter)

Increment a counter with the given name Actual name of the counter will be

MetricRegistry.name(MetricsService.class, counter)
 

 


Parameters:
counter - the counter

incrCounter

void incrCounter(Class<?> cls,
                 String counter)

Increment a counter with the name constructed using given class and counter name Actual name of the counter will be

MetricRegistry.name(cls, counter)
 

 


Parameters:
cls - Class of the counter for namespacing the counter
counter - the counter

decrCounter

void decrCounter(Class<?> cls,
                 String counter)

Decrement a counter with the name costructed using given class and counter name Actual name of the counter will be

MetricRegistry.name(cls, counter)
 

 


Parameters:
cls - Class of the counter for namespacing of counters
counter - the counter

decrCounter

void decrCounter(String counter)

Decrement a counter with the given name Actual name of the counter will be

MetricRegistry.name(MetricsService.class, counter)
 

 


Parameters:
counter - the counter

getCounter

long getCounter(String counter)

Get current value of the counter.

Parameters:

counter - the counter

Returns:

the counter

getCounter

long getCounter(Class<?> cls,
                String counter)

Get current value of the counter.

Parameters:

cls - the cls

counter - the counter

Returns:

the counter

getQueuedQueries

long getQueuedQueries()

getRunningQueries

long getRunningQueries()

getFinishedQueries

long getFinishedQueries()

getTotalAcceptedQueries

long getTotalAcceptedQueries()

getTotalSuccessfulQueries

long getTotalSuccessfulQueries()

getTotalFinishedQueries

long getTotalFinishedQueries()

getTotalCancelledQueries

long getTotalCancelledQueries()

getTotalFailedQueries

long getTotalFailedQueries()

publishReport

void publishReport()

Publish report.