Package org.hibernate.stat.internal

Class QueryStatisticsImpl

java.lang.Object

org.hibernate.stat.internal.QueryStatisticsImpl

All Implemented Interfaces:

Serializable, QueryStatistics

public class QueryStatisticsImpl
extends Object
implements QueryStatistics

Query statistics (HQL and SQL)

Note that for a cached query, the cache miss is equals to the db count

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
QueryStatisticsImpl(String query)

Method Summary

Modifier and Type	Method	Description
void	executed(long rows, long time)	add statistics report of a DB query
long	getCacheHitCount()	Queries retrieved successfully from the cache
long	getCacheMissCount()	The number of cache misses for this query
long	getCachePutCount()	The number of cache puts for this query
long	getExecutionAvgTime()	average time in ms taken by the execution of this query onto the DB
double	getExecutionAvgTimeAsDouble()	average time in ms as double taken by the execution of this query onto the DB
long	getExecutionCount()	queries executed to the DB
long	getExecutionMaxTime()	max time in ms taken by the execution of this query onto the DB
long	getExecutionMinTime()	min time in ms taken by the execution of this query onto the DB
long	getExecutionRowCount()	Number of lines returned by all the executions of this query (from DB) For now, Query.stream()} and Query.scroll() do not fill this statistic
long	getExecutionTotalTime()	total time in ms taken by the execution of this query onto the DB
long	getPlanCacheHitCount()	Query plan successfully fetched from the cache
long	getPlanCacheMissCount()	Query plan not fetched from the cache
long	getPlanCompilationTotalMicroseconds()	Query plan overall compiled total
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryStatisticsImpl

public QueryStatisticsImpl(String query)

Method Detail

getExecutionCount

public long getExecutionCount()

queries executed to the DB

Specified by:

getExecutionCount in interface QueryStatistics

getCacheHitCount

public long getCacheHitCount()

Queries retrieved successfully from the cache

Specified by:

getCacheHitCount in interface QueryStatistics

getCachePutCount

public long getCachePutCount()

Description copied from interface: QueryStatistics

The number of cache puts for this query

Specified by:

getCachePutCount in interface QueryStatistics

getCacheMissCount

public long getCacheMissCount()

Description copied from interface: QueryStatistics

The number of cache misses for this query

Specified by:

getCacheMissCount in interface QueryStatistics

getExecutionRowCount

public long getExecutionRowCount()

Number of lines returned by all the executions of this query (from DB) For now, Query.stream()} and Query.scroll() do not fill this statistic

Specified by:

getExecutionRowCount in interface QueryStatistics

Returns:

The number of rows cumulatively returned by the given query; stream and scroll queries do not effect this total as their number of returned rows is not known at execution time.

getExecutionAvgTime

public long getExecutionAvgTime()

average time in ms taken by the execution of this query onto the DB

Specified by:

getExecutionAvgTime in interface QueryStatistics

getExecutionAvgTimeAsDouble

public double getExecutionAvgTimeAsDouble()

average time in ms as double taken by the execution of this query onto the DB

Specified by:

getExecutionAvgTimeAsDouble in interface QueryStatistics

getExecutionMaxTime

public long getExecutionMaxTime()

max time in ms taken by the execution of this query onto the DB

Specified by:

getExecutionMaxTime in interface QueryStatistics

getExecutionMinTime

public long getExecutionMinTime()

min time in ms taken by the execution of this query onto the DB

Specified by:

getExecutionMinTime in interface QueryStatistics

getExecutionTotalTime

public long getExecutionTotalTime()

total time in ms taken by the execution of this query onto the DB

Specified by:

getExecutionTotalTime in interface QueryStatistics

getPlanCacheHitCount

public long getPlanCacheHitCount()

Query plan successfully fetched from the cache

Specified by:

getPlanCacheHitCount in interface QueryStatistics

getPlanCacheMissCount

public long getPlanCacheMissCount()

Query plan not fetched from the cache

Specified by:

getPlanCacheMissCount in interface QueryStatistics

getPlanCompilationTotalMicroseconds

public long getPlanCompilationTotalMicroseconds()

Query plan overall compiled total

Specified by:

getPlanCompilationTotalMicroseconds in interface QueryStatistics

executed

public void executed(long rows,
                     long time)

add statistics report of a DB query

Parameters:

rows - rows count returned

time - time taken

toString

public String toString()

Overrides:

toString in class Object