org.hibernate.stat
Class QueryStatisticsImpl

java.lang.Object
  org.hibernate.stat.CategorizedStatistics
      org.hibernate.stat.QueryStatisticsImpl

All Implemented Interfaces:

Serializable, QueryStatistics

public class QueryStatisticsImpl
extends CategorizedStatistics
implements QueryStatistics

Query statistics (HQL and SQL)

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

Author:

Gavin King

See Also:

Serialized Form

Method Summary

long	getCacheHitCount() Queries retrieved successfully from the cache
long	getCacheMissCount()
long	getCachePutCount()
long	getExecutionAvgTime() average time in ms taken by the excution of this query onto the DB
long	getExecutionCount() queries executed to the DB
long	getExecutionMaxTime() max time in ms taken by the excution of this query onto the DB
long	getExecutionMinTime() min time in ms taken by the excution of this query onto the DB
long	getExecutionRowCount() Number of lines returned by all the executions of this query (from DB) For now, Query.iterate() and Query.scroll()() do not fill this statistic
String	toString()

Methods inherited from class org.hibernate.stat.CategorizedStatistics

getCategoryName

Methods inherited from class java.lang.Object

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

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()

Specified by:

getCachePutCount in interface QueryStatistics

getCacheMissCount

public long getCacheMissCount()

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.iterate() 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; iterate 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 excution of this query onto the DB

Specified by:

getExecutionAvgTime in interface QueryStatistics

getExecutionMaxTime

public long getExecutionMaxTime()

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

Specified by:

getExecutionMaxTime in interface QueryStatistics

getExecutionMinTime

public long getExecutionMinTime()

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

Specified by:

getExecutionMinTime in interface QueryStatistics

toString

public String toString()

Overrides:

toString in class Object