fish.payara.jdbc.stats

Class SlowSqlTraceCache

java.lang.Object

com.sun.gjc.util.SQLTraceCache

fish.payara.jdbc.stats.SlowSqlTraceCache

public class SlowSqlTraceCache
extends SQLTraceCache

Author:

Andrew Pielage

Field Summary

Fields inherited from class com.sun.gjc.util.SQLTraceCache

_logger, cache, LINE_BREAK, numTopQueriesToReport, poolName, timeToKeepQueries

Constructor Summary

Constructors

Constructor and Description
SlowSqlTraceCache(String poolName, int maxNumberOfQueries, long timeToKeepQueries)

Method Summary

Modifier and Type	Method and Description
void	checkAndUpdateCache(SQLTrace sqlTrace) Request for adding a sql query in the form of SlowSqlTrace to this cache.
List<SlowSqlTrace>	getSlowestSqlQueries() Returns the slowest SQL traces.
void	purgeEntries() Overrides the purgeEntries method to purge the quickest running SQL Traces

Methods inherited from class com.sun.gjc.util.SQLTraceCache

cancelTimerTask, getPoolName, getSqlTraceList, scheduleTimerTask

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SlowSqlTraceCache

public SlowSqlTraceCache(String poolName,
                         int maxNumberOfQueries,
                         long timeToKeepQueries)

Method Detail

checkAndUpdateCache

public void checkAndUpdateCache(SQLTrace sqlTrace)

Request for adding a sql query in the form of SlowSqlTrace to this cache. If the query is already found in the list, the number of times it is executed is incremented by one along with the timestamp. If its slowest execution time has also increased, this is updated. If the query is a new one, it is added to the list.

Specified by:

checkAndUpdateCache in class SQLTraceCache

Parameters:

sqlTrace -

purgeEntries

public void purgeEntries()

Overrides the purgeEntries method to purge the quickest running SQL Traces

Overrides:

purgeEntries in class SQLTraceCache

getSlowestSqlQueries

public List<SlowSqlTrace> getSlowestSqlQueries()

Returns the slowest SQL traces.

Returns:

A String representation of the slowest SQL Traces