QueryStatistics (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.stat
Class QueryStatistics

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

All Implemented Interfaces:: Serializable

public class QueryStatistics
extends CategorizedStatistics

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

getCacheHitCount

public long getCacheHitCount()

Queries retrieved successfully from the cache

getCachePutCount

public long getCachePutCount()

getCacheMissCount

public long getCacheMissCount()

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

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

getExecutionMaxTime

public long getExecutionMaxTime()

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

getExecutionMinTime

public long getExecutionMinTime()

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

toString

public String toString()