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StatisticsImpl (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.stat
Class StatisticsImpl

java.lang.Object
  org.hibernate.stat.StatisticsImpl

All Implemented Interfaces:

Statistics, StatisticsImplementor

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public class StatisticsImpl

extends Object

implements Statistics, StatisticsImplementor

Author:

Gavin King

See Also:

Statistics

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Constructor Summary

StatisticsImpl()

StatisticsImpl(SessionFactoryImplementor sessionFactory)

 

Method Summary
void	clear()           reset all statistics
void	closeSession()
void	closeStatement()
void	connect()
void	deleteEntity(String entityName)
void	endTransaction(boolean success)
void	fetchCollection(String role)
void	fetchEntity(String entityName)
void	flush()
long	getCloseStatementCount()           The number of prepared statements that were released
long	getCollectionFetchCount()           Global number of collections fetched
long	getCollectionLoadCount()           Global number of collections loaded
long	getCollectionRecreateCount()           Global number of collections recreated
long	getCollectionRemoveCount()           Global number of collections removed
String[]	getCollectionRoleNames()           Get the names of all collection roles
CollectionStatistics	getCollectionStatistics(String role)           Get collection statistics per role
long	getCollectionUpdateCount()           Global number of collections updated
long	getConnectCount()           Get the global number of connections asked by the sessions (the actual number of connections used may be much smaller depending whether you use a connection pool or not)
long	getEntityDeleteCount()           Get global number of entity deletes
long	getEntityFetchCount()           Get global number of entity fetchs
long	getEntityInsertCount()           Get global number of entity inserts
long	getEntityLoadCount()           Get global number of entity loads
String[]	getEntityNames()           Get the names of all entities
EntityStatistics	getEntityStatistics(String entityName)           find entity statistics per name
long	getEntityUpdateCount()           Get global number of entity updates
long	getFlushCount()           Get the global number of flush executed by sessions (either implicit or explicit)
long	getOptimisticFailureCount()           The number of StaleObjectStateExceptions that occurred
long	getPrepareStatementCount()           The number of prepared statements that were acquired
String[]	getQueries()           Get all executed query strings
long	getQueryCacheHitCount()           Get the global number of cached queries successfully retrieved from cache
long	getQueryCacheMissCount()           Get the global number of cached queries *not* found in cache
long	getQueryCachePutCount()           Get the global number of cacheable queries put in cache
long	getQueryExecutionCount()           Get global number of executed queries
long	getQueryExecutionMaxTime()           Get the time in milliseconds of the slowest query.
String	getQueryExecutionMaxTimeQueryString()           Get the query string for the slowest query.
QueryStatistics	getQueryStatistics(String queryString)           Query statistics from query string (HQL or SQL)
long	getSecondLevelCacheHitCount()           Global number of cacheable entities/collections successfully retrieved from the cache
long	getSecondLevelCacheMissCount()           Global number of cacheable entities/collections not found in the cache and loaded from the database.
long	getSecondLevelCachePutCount()           Global number of cacheable entities/collections put in the cache
String[]	getSecondLevelCacheRegionNames()           Get all second-level cache region names
SecondLevelCacheStatistics	getSecondLevelCacheStatistics(String regionName)           Second level cache statistics per region
long	getSessionCloseCount()           Global number of sessions closed
long	getSessionOpenCount()           Global number of sessions opened
long	getStartTime()
long	getSuccessfulTransactionCount()           The number of transactions we know to have been successful
long	getTransactionCount()           The number of transactions we know to have completed
void	insertEntity(String entityName)
boolean	isStatisticsEnabled()           Are statistics logged
void	loadCollection(String role)
void	loadEntity(String entityName)
void	logSummary()           log in info level the main statistics
void	openSession()
void	optimisticFailure(String entityName)
void	prepareStatement()
void	queryCacheHit(String hql, String regionName)
void	queryCacheMiss(String hql, String regionName)
void	queryCachePut(String hql, String regionName)
void	queryExecuted(String hql, int rows, long time)
void	recreateCollection(String role)
void	removeCollection(String role)
void	secondLevelCacheHit(String regionName)
void	secondLevelCacheMiss(String regionName)
void	secondLevelCachePut(String regionName)
void	setStatisticsEnabled(boolean b)           Enable statistics logs (this is a dynamic parameter)
String	toString()
void	updateCollection(String role)
void	updateEntity(String entityName)

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

StatisticsImpl

public StatisticsImpl()

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StatisticsImpl

public StatisticsImpl(SessionFactoryImplementor sessionFactory)

Method Detail

clear

public void clear()

reset all statistics

Specified by:

clear in interface Statistics

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openSession

public void openSession()

Specified by:

openSession in interface StatisticsImplementor

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closeSession

public void closeSession()

Specified by:

closeSession in interface StatisticsImplementor

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flush

public void flush()

Specified by:

flush in interface StatisticsImplementor

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connect

public void connect()

Specified by:

connect in interface StatisticsImplementor

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loadEntity

public void loadEntity(String entityName)

Specified by:

loadEntity in interface StatisticsImplementor

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fetchEntity

public void fetchEntity(String entityName)

Specified by:

fetchEntity in interface StatisticsImplementor

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getEntityStatistics

public EntityStatistics getEntityStatistics(String entityName)

find entity statistics per name

Specified by:

getEntityStatistics in interface Statistics

Parameters:

entityName - entity name

Returns:

EntityStatistics object

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updateEntity

public void updateEntity(String entityName)

Specified by:

updateEntity in interface StatisticsImplementor

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insertEntity

public void insertEntity(String entityName)

Specified by:

insertEntity in interface StatisticsImplementor

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deleteEntity

public void deleteEntity(String entityName)

Specified by:

deleteEntity in interface StatisticsImplementor

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getCollectionStatistics

public CollectionStatistics getCollectionStatistics(String role)

Get collection statistics per role

Specified by:

getCollectionStatistics in interface Statistics

Parameters:

role - collection role

Returns:

CollectionStatistics

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loadCollection

public void loadCollection(String role)

Specified by:

loadCollection in interface StatisticsImplementor

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fetchCollection

public void fetchCollection(String role)

Specified by:

fetchCollection in interface StatisticsImplementor

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updateCollection

public void updateCollection(String role)

Specified by:

updateCollection in interface StatisticsImplementor

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recreateCollection

public void recreateCollection(String role)

Specified by:

recreateCollection in interface StatisticsImplementor

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removeCollection

public void removeCollection(String role)

Specified by:

removeCollection in interface StatisticsImplementor

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getSecondLevelCacheStatistics

public SecondLevelCacheStatistics getSecondLevelCacheStatistics(String regionName)

Second level cache statistics per region

Specified by:

getSecondLevelCacheStatistics in interface Statistics

Parameters:

regionName - region name

Returns:

SecondLevelCacheStatistics

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secondLevelCachePut

public void secondLevelCachePut(String regionName)

Specified by:

secondLevelCachePut in interface StatisticsImplementor

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secondLevelCacheHit

public void secondLevelCacheHit(String regionName)

Specified by:

secondLevelCacheHit in interface StatisticsImplementor

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secondLevelCacheMiss

public void secondLevelCacheMiss(String regionName)

Specified by:

secondLevelCacheMiss in interface StatisticsImplementor

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queryExecuted

public void queryExecuted(String hql,
                          int rows,
                          long time)

Specified by:

queryExecuted in interface StatisticsImplementor

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queryCacheHit

public void queryCacheHit(String hql,
                          String regionName)

Specified by:

queryCacheHit in interface StatisticsImplementor

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queryCacheMiss

public void queryCacheMiss(String hql,
                           String regionName)

Specified by:

queryCacheMiss in interface StatisticsImplementor

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queryCachePut

public void queryCachePut(String hql,
                          String regionName)

Specified by:

queryCachePut in interface StatisticsImplementor

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getQueryStatistics

public QueryStatistics getQueryStatistics(String queryString)

Query statistics from query string (HQL or SQL)

Specified by:

getQueryStatistics in interface Statistics

Parameters:

queryString - query string

Returns:

QueryStatistics

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getEntityDeleteCount

public long getEntityDeleteCount()

Description copied from interface: Statistics

Get global number of entity deletes

Specified by:

getEntityDeleteCount in interface Statistics

Returns:

entity deletion count

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getEntityInsertCount

public long getEntityInsertCount()

Description copied from interface: Statistics

Get global number of entity inserts

Specified by:

getEntityInsertCount in interface Statistics

Returns:

entity insertion count

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getEntityLoadCount

public long getEntityLoadCount()

Description copied from interface: Statistics

Get global number of entity loads

Specified by:

getEntityLoadCount in interface Statistics

Returns:

entity load (from DB)

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getEntityFetchCount

public long getEntityFetchCount()

Description copied from interface: Statistics

Get global number of entity fetchs

Specified by:

getEntityFetchCount in interface Statistics

Returns:

entity fetch (from DB)

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getEntityUpdateCount

public long getEntityUpdateCount()

Description copied from interface: Statistics

Get global number of entity updates

Specified by:

getEntityUpdateCount in interface Statistics

Returns:

entity update

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getQueryExecutionCount

public long getQueryExecutionCount()

Description copied from interface: Statistics

Get global number of executed queries

Specified by:

getQueryExecutionCount in interface Statistics

Returns:

query execution count

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getQueryCacheHitCount

public long getQueryCacheHitCount()

Description copied from interface: Statistics

Get the global number of cached queries successfully retrieved from cache

Specified by:

getQueryCacheHitCount in interface Statistics

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getQueryCacheMissCount

public long getQueryCacheMissCount()

Description copied from interface: Statistics

Get the global number of cached queries *not* found in cache

Specified by:

getQueryCacheMissCount in interface Statistics

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getQueryCachePutCount

public long getQueryCachePutCount()

Description copied from interface: Statistics

Get the global number of cacheable queries put in cache

Specified by:

getQueryCachePutCount in interface Statistics

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getFlushCount

public long getFlushCount()

Description copied from interface: Statistics

Get the global number of flush executed by sessions (either implicit or explicit)

Specified by:

getFlushCount in interface Statistics

Returns:

flush

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getConnectCount

public long getConnectCount()

Description copied from interface: Statistics

Get the global number of connections asked by the sessions (the actual number of connections used may be much smaller depending whether you use a connection pool or not)

Specified by:

getConnectCount in interface Statistics

Returns:

session connect

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getSecondLevelCacheHitCount

public long getSecondLevelCacheHitCount()

Description copied from interface: Statistics

Global number of cacheable entities/collections successfully retrieved from the cache

Specified by:

getSecondLevelCacheHitCount in interface Statistics

Returns:

second level cache hit

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getSecondLevelCacheMissCount

public long getSecondLevelCacheMissCount()

Description copied from interface: Statistics

Global number of cacheable entities/collections not found in the cache and loaded from the database.

Specified by:

getSecondLevelCacheMissCount in interface Statistics

Returns:

second level cache miss

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getSecondLevelCachePutCount

public long getSecondLevelCachePutCount()

Description copied from interface: Statistics

Global number of cacheable entities/collections put in the cache

Specified by:

getSecondLevelCachePutCount in interface Statistics

Returns:

second level cache put

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getSessionCloseCount

public long getSessionCloseCount()

Description copied from interface: Statistics

Global number of sessions closed

Specified by:

getSessionCloseCount in interface Statistics

Returns:

session closing

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getSessionOpenCount

public long getSessionOpenCount()

Description copied from interface: Statistics

Global number of sessions opened

Specified by:

getSessionOpenCount in interface Statistics

Returns:

session opening

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getCollectionLoadCount

public long getCollectionLoadCount()

Description copied from interface: Statistics

Global number of collections loaded

Specified by:

getCollectionLoadCount in interface Statistics

Returns:

collection loading (from DB)

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getCollectionFetchCount

public long getCollectionFetchCount()

Description copied from interface: Statistics

Global number of collections fetched

Specified by:

getCollectionFetchCount in interface Statistics

Returns:

collection fetching (from DB)

---

getCollectionUpdateCount

public long getCollectionUpdateCount()

Description copied from interface: Statistics

Global number of collections updated

Specified by:

getCollectionUpdateCount in interface Statistics

Returns:

collection update

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getCollectionRemoveCount

public long getCollectionRemoveCount()

Description copied from interface: Statistics

Global number of collections removed

Specified by:

getCollectionRemoveCount in interface Statistics

Returns:

collection removal FIXME: even if isInverse="true"?

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getCollectionRecreateCount

public long getCollectionRecreateCount()

Description copied from interface: Statistics

Global number of collections recreated

Specified by:

getCollectionRecreateCount in interface Statistics

Returns:

collection recreation

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getStartTime

public long getStartTime()

Specified by:

getStartTime in interface Statistics

Returns:

start time in ms (JVM standards System.currentTimeMillis())

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logSummary

public void logSummary()

log in info level the main statistics

Specified by:

logSummary in interface Statistics

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isStatisticsEnabled

public boolean isStatisticsEnabled()

Are statistics logged

Specified by:

isStatisticsEnabled in interface Statistics

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setStatisticsEnabled

public void setStatisticsEnabled(boolean b)

Enable statistics logs (this is a dynamic parameter)

Specified by:

setStatisticsEnabled in interface Statistics

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getQueryExecutionMaxTime

public long getQueryExecutionMaxTime()

Description copied from interface: Statistics

Get the time in milliseconds of the slowest query.

Specified by:

getQueryExecutionMaxTime in interface Statistics

Returns:

Returns the max query execution time, for all queries

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getQueries

public String[] getQueries()

Get all executed query strings

Specified by:

getQueries in interface Statistics

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getEntityNames

public String[] getEntityNames()

Get the names of all entities

Specified by:

getEntityNames in interface Statistics

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getCollectionRoleNames

public String[] getCollectionRoleNames()

Get the names of all collection roles

Specified by:

getCollectionRoleNames in interface Statistics

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getSecondLevelCacheRegionNames

public String[] getSecondLevelCacheRegionNames()

Get all second-level cache region names

Specified by:

getSecondLevelCacheRegionNames in interface Statistics

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endTransaction

public void endTransaction(boolean success)

Specified by:

endTransaction in interface StatisticsImplementor

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getSuccessfulTransactionCount

public long getSuccessfulTransactionCount()

Description copied from interface: Statistics

The number of transactions we know to have been successful

Specified by:

getSuccessfulTransactionCount in interface Statistics

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getTransactionCount

public long getTransactionCount()

Description copied from interface: Statistics

The number of transactions we know to have completed

Specified by:

getTransactionCount in interface Statistics

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closeStatement

public void closeStatement()

Specified by:

closeStatement in interface StatisticsImplementor

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prepareStatement

public void prepareStatement()

Specified by:

prepareStatement in interface StatisticsImplementor

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getCloseStatementCount

public long getCloseStatementCount()

Description copied from interface: Statistics

The number of prepared statements that were released

Specified by:

getCloseStatementCount in interface Statistics

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getPrepareStatementCount

public long getPrepareStatementCount()

Description copied from interface: Statistics

The number of prepared statements that were acquired

Specified by:

getPrepareStatementCount in interface Statistics

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optimisticFailure

public void optimisticFailure(String entityName)

Specified by:

optimisticFailure in interface StatisticsImplementor

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getOptimisticFailureCount

public long getOptimisticFailureCount()

Description copied from interface: Statistics

The number of StaleObjectStateExceptions that occurred

Specified by:

getOptimisticFailureCount in interface Statistics

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toString

public String toString()

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getQueryExecutionMaxTimeQueryString

public String getQueryExecutionMaxTimeQueryString()

Description copied from interface: Statistics

Get the query string for the slowest query.

Specified by:

getQueryExecutionMaxTimeQueryString in interface Statistics

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PREV CLASS   NEXT CLASS	FRAMES    NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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