org.tentackle.persist

Class StatementStatistics

java.lang.Object

org.tentackle.persist.StatementStatistics

All Implemented Interfaces:

Comparable<StatementStatistics>

public class StatementStatistics
extends Object
implements Comparable<StatementStatistics>

Statement statistics collector.

Author:

harald

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	with_parameters If true the statistics are per statement and parameters, else only per statement.

Constructor Summary

Constructors

Constructor and Description
StatementStatistics(String sql, String txName, Map<Integer,Object> parameters) Create a statistics collector.

Method Summary

Modifier and Type	Method and Description
static void	clearStatistics() Clears the counters.
static void	collect(StatementHistory history) Collects the statistics from a statement history.
int	compareTo(StatementStatistics o)
void	countInvocation(Duration duration) Count the invocation of a statement.
boolean	equals(Object obj)
Map<Integer,Object>	getParameters() Gets the parameters.
static long	getSince() Gets the time when counting started.
String	getSql() Gets the SQL string.
StatisticsResult	getStatistics() Gets the collected statistics result.
static Set<StatementStatistics>	getStatistics(boolean clear) Gets the current statistics.
String	getTxName() Gets the transaction name.
int	hashCode()
static void	log(Logger logger, Logger.Level level, boolean clear) Logs the statics.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

with_parameters

public static boolean with_parameters

If true the statistics are per statement and parameters, else only per statement.

Constructor Detail

StatementStatistics

public StatementStatistics(String sql,
                           String txName,
                           Map<Integer,Object> parameters)

Create a statistics collector.

Parameters:

sql - the SQL statement

txName - the transaction name

parameters - execution parameters

Method Detail

collect

public static void collect(StatementHistory history)

Collects the statistics from a statement history.

Parameters:

history - the history to collect

getStatistics

public static Set<StatementStatistics> getStatistics(boolean clear)

Gets the current statistics.

Parameters:

clear - true if clear

Returns:

the statement statistics sorted by sql and parameters

clearStatistics

public static void clearStatistics()

Clears the counters.

getSince

public static long getSince()

Gets the time when counting started.

Returns:

the epochal time in milliseconds

log

public static void log(Logger logger,
                       Logger.Level level,
                       boolean clear)

Logs the statics.

Parameters:

logger - the logger

level - the logging level

clear - true if clear after log

countInvocation

public void countInvocation(Duration duration)

Count the invocation of a statement.

Parameters:

duration - the execution time in milliseconds

getStatistics

public StatisticsResult getStatistics()

Gets the collected statistics result.

Returns:

the statistic result

getParameters

public Map<Integer,Object> getParameters()

Gets the parameters.

Returns:

the parameters

getSql

public String getSql()

Gets the SQL string.

Returns:

the SQL string

getTxName

public String getTxName()

Gets the transaction name.

Returns:

the txname

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

compareTo

public int compareTo(StatementStatistics o)

Specified by:

compareTo in interface Comparable<StatementStatistics>

toString

public String toString()

Overrides:

toString in class Object