org.hibernate.stat

Interface StatisticsImplementor

All Known Implementing Classes:

ConcurrentStatisticsImpl, StatisticsImpl

public interface StatisticsImplementor

Statistics SPI for the Hibernate core. This is essentially the "statistic collector" API, its the contract called to collect various stats.

Author:

Emmanuel Bernard

Method Summary

Methods

Modifier and Type	Method and Description
void	closeSession() Callback about a session being closed.
void	closeStatement() Callback about a statement being closed.
void	connect() Callback about a connection being obtained from ConnectionProvider
void	deleteEntity(java.lang.String entityName) Callback about an entity being deleted.
void	endTransaction(boolean success) Callback about a transaction completing.
void	fetchCollection(java.lang.String role) Callback to indicate a collection being fetched.
void	fetchEntity(java.lang.String entityName) Callback about an entity being fetched.
void	flush() Callback about a flush occurring
void	insertEntity(java.lang.String entityName) Callback about an entity being inserted
void	loadCollection(java.lang.String role) Callback about a collection loading.
void	loadEntity(java.lang.String entityName) Callback about an entity being loaded.
void	openSession() Callback about a session being opened.
void	optimisticFailure(java.lang.String entityName) Callback about an optimistic lock failure on an entity
void	prepareStatement() Callback about a statement being prepared.
void	queryCacheHit(java.lang.String hql, java.lang.String regionName) Callback indicating a get from the query cache resulted in a hit.
void	queryCacheMiss(java.lang.String hql, java.lang.String regionName) Callback indicating a get from the query cache resulted in a miss.
void	queryCachePut(java.lang.String hql, java.lang.String regionName) Callback indicating a put into the query cache.
void	queryExecuted(java.lang.String hql, int rows, long time) Callback indicating execution of a sql/hql query
void	recreateCollection(java.lang.String role) Callback indicating a collection recreation (full deletion + full (re-)insertion).
void	removeCollection(java.lang.String role) Callback indicating a collection removal.
void	secondLevelCacheHit(java.lang.String regionName) Callback indicating a get from second level cache resulted in a hit.
void	secondLevelCacheMiss(java.lang.String regionName) Callback indicating a get from second level cache resulted in a miss.
void	secondLevelCachePut(java.lang.String regionName) Callback indicating a put into second level cache.
void	updateCollection(java.lang.String role) Callback indicating a collection was updated.
void	updateEntity(java.lang.String entityName) Callback about an entity being updated.

Method Detail

openSession

void openSession()

Callback about a session being opened.

closeSession

void closeSession()

Callback about a session being closed.

flush

void flush()

Callback about a flush occurring

connect

void connect()

Callback about a connection being obtained from ConnectionProvider

prepareStatement

void prepareStatement()

Callback about a statement being prepared.

closeStatement

void closeStatement()

Callback about a statement being closed.

endTransaction

void endTransaction(boolean success)

Callback about a transaction completing.

Parameters:

success - Was the transaction successful?

loadEntity

void loadEntity(java.lang.String entityName)

Callback about an entity being loaded. This might indicate a proxy or a fully initialized entity, but in either case it means without a separate SQL query being needed.

Parameters:

entityName - The name of the entity loaded.

fetchEntity

void fetchEntity(java.lang.String entityName)

Callback about an entity being fetched. Unlike loadEntity(java.lang.String) this indicates a separate query being performed.

Parameters:

entityName - The name of the entity fetched.

updateEntity

void updateEntity(java.lang.String entityName)

Callback about an entity being updated.

Parameters:

entityName - The name of the entity updated.

insertEntity

void insertEntity(java.lang.String entityName)

Callback about an entity being inserted

Parameters:

entityName - The name of the entity inserted

deleteEntity

void deleteEntity(java.lang.String entityName)

Callback about an entity being deleted.

Parameters:

entityName - The name of the entity deleted.

optimisticFailure

void optimisticFailure(java.lang.String entityName)

Callback about an optimistic lock failure on an entity

Parameters:

entityName - The name of the entity.

loadCollection

void loadCollection(java.lang.String role)

Callback about a collection loading. This might indicate a lazy collection or an initialized collection being created, but in either case it means without a separate SQL query being needed.

Parameters:

role - The collection role.

fetchCollection

void fetchCollection(java.lang.String role)

Callback to indicate a collection being fetched. Unlike loadCollection(java.lang.String), this indicates a separate query was needed.

Parameters:

role - The collection role.

updateCollection

void updateCollection(java.lang.String role)

Callback indicating a collection was updated.

Parameters:

role - The collection role.

recreateCollection

void recreateCollection(java.lang.String role)

Callback indicating a collection recreation (full deletion + full (re-)insertion).

Parameters:

role - The collection role.

removeCollection

void removeCollection(java.lang.String role)

Callback indicating a collection removal.

Parameters:

role - The collection role.

secondLevelCachePut

void secondLevelCachePut(java.lang.String regionName)

Callback indicating a put into second level cache.

Parameters:

regionName - The name of the cache region

secondLevelCacheHit

void secondLevelCacheHit(java.lang.String regionName)

Callback indicating a get from second level cache resulted in a hit.

Parameters:

regionName - The name of the cache region

secondLevelCacheMiss

void secondLevelCacheMiss(java.lang.String regionName)

Callback indicating a get from second level cache resulted in a miss.

Parameters:

regionName - The name of the cache region

queryCachePut

void queryCachePut(java.lang.String hql,
                 java.lang.String regionName)

Callback indicating a put into the query cache.

Parameters:

hql - The query

regionName - The cache region

queryCacheHit

void queryCacheHit(java.lang.String hql,
                 java.lang.String regionName)

Callback indicating a get from the query cache resulted in a hit.

Parameters:

hql - The query

regionName - The name of the cache region

queryCacheMiss

void queryCacheMiss(java.lang.String hql,
                  java.lang.String regionName)

Callback indicating a get from the query cache resulted in a miss.

Parameters:

hql - The query

regionName - The name of the cache region

queryExecuted

void queryExecuted(java.lang.String hql,
                 int rows,
                 long time)

Callback indicating execution of a sql/hql query

Parameters:

hql - The query

rows - Number of rows returned

time - execution time