Top Description Fields Constructors Methods
org.hibernate.stat

public Class ConcurrentStatisticsImpl

extends Object
implements Statistics, StatisticsImplementor
Class Inheritance
All Implemented Interfaces
org.hibernate.stat.StatisticsImplementor, org.hibernate.stat.Statistics
Annotations
@SuppressWarnings:unchecked
Imports
java.util.concurrent.ConcurrentHashMap, .ConcurrentMap, java.util.concurrent.atomic.AtomicLong, org.slf4j.Logger, .LoggerFactory, org.hibernate.cache.Region, org.hibernate.engine.SessionFactoryImplementor, org.hibernate.util.ArrayHelper
Implementation of Statistics, as well as StatisticsImplementor, based on the java.util.concurrent package introduced in Java 5.
Author
Alex Snaps

Field Summary

Modifier and TypeField and Description
private AtomicLong
closeStatementCount

private AtomicLong
collectionFetchCount

private AtomicLong
collectionLoadCount

private AtomicLong
collectionRecreateCount

private AtomicLong
collectionRemoveCount

private final ConcurrentMap<K, V>
collectionStatistics

collection statistics per name

private AtomicLong
collectionUpdateCount

private AtomicLong
committedTransactionCount

private AtomicLong
connectCount

private AtomicLong
entityDeleteCount

private AtomicLong
entityFetchCount

private AtomicLong
entityInsertCount

private AtomicLong
entityLoadCount

private final ConcurrentMap<K, V>
entityStatistics

entity statistics per name

private AtomicLong
entityUpdateCount

private AtomicLong
flushCount

private static final boolean
isDebugEnabled

private volatile boolean
isStatisticsEnabled

private static final Logger
log

private AtomicLong
optimisticFailureCount

private static final Logger
PERF_LOG

private AtomicLong
prepareStatementCount

private AtomicLong
queryCacheHitCount

private AtomicLong
queryCacheMissCount

private AtomicLong
queryCachePutCount

private AtomicLong
queryExecutionCount

private AtomicLong
queryExecutionMaxTime

private volatile String
queryExecutionMaxTimeQueryString

private final ConcurrentMap<K, V>
queryStatistics

entity statistics per query string (HQL or SQL)

private AtomicLong
secondLevelCacheHitCount

private AtomicLong
secondLevelCacheMissCount

private AtomicLong
secondLevelCachePutCount

private final ConcurrentMap<K, V>
secondLevelCacheStatistics

second level cache statistics per region

private AtomicLong
sessionCloseCount

private SessionFactoryImplementor
sessionFactory

private AtomicLong
sessionOpenCount

private volatile long
startTime

private AtomicLong
transactionCount

Constructor Summary

AccessConstructor and Description
public
ConcurrentStatisticsImpl()

public
ConcurrentStatisticsImpl(SessionFactoryImplementor sessionFactory)

Method Summary

Modifier and TypeMethod and Description
public void
clear()

Implements org.hibernate.stat.Statistics.clear.

reset all statistics
public void
closeSession()

Implements org.hibernate.stat.StatisticsImplementor.closeSession.

Callback about a session being closed.
public void
closeStatement()

Implements org.hibernate.stat.StatisticsImplementor.closeStatement.

Callback about a statement being closed.
public void
connect()

Implements org.hibernate.stat.StatisticsImplementor.connect.

Callback about a connection being obtained from org.hibernate.connection.ConnectionProvider
public void
deleteEntity(String
The name of the entity deleted.
entityName)

Implements org.hibernate.stat.StatisticsImplementor.deleteEntity.

Callback about an entity being deleted.
public void
endTransaction(boolean
Was the transaction successful?
success)

Implements org.hibernate.stat.StatisticsImplementor.endTransaction.

Callback about a transaction completing.
public void
fetchCollection(String
The collection role.
role)

Implements org.hibernate.stat.StatisticsImplementor.fetchCollection.

Callback to indicate a collection being fetched.
public void
fetchEntity(String
The name of the entity fetched.
entityName)

Implements org.hibernate.stat.StatisticsImplementor.fetchEntity.

Callback about an entity being fetched.
public void
flush()

Implements org.hibernate.stat.StatisticsImplementor.flush.

Callback about a flush occurring
public long
getCloseStatementCount()

Implements org.hibernate.stat.Statistics.getCloseStatementCount.

The number of prepared statements that were released
public long

Returns:

collection fetching (from DB)
getCollectionFetchCount()

Implements org.hibernate.stat.Statistics.getCollectionFetchCount.

Global number of collections fetched
public long

Returns:

collection loading (from DB)
getCollectionLoadCount()

Implements org.hibernate.stat.Statistics.getCollectionLoadCount.

Global number of collections loaded
public long

Returns:

collection recreation
getCollectionRecreateCount()

Implements org.hibernate.stat.Statistics.getCollectionRecreateCount.

Global number of collections recreated
public long

Returns:

collection removal FIXME: even if isInverse="true"?
getCollectionRemoveCount()

Implements org.hibernate.stat.Statistics.getCollectionRemoveCount.

Global number of collections removed
public String[]
getCollectionRoleNames()

Implements org.hibernate.stat.Statistics.getCollectionRoleNames.

Get the names of all collection roles
public CollectionStatistics

Returns:

CollectionStatistics
getCollectionStatistics(String
collection role
role)

Implements org.hibernate.stat.Statistics.getCollectionStatistics.

Get collection statistics per role
public long

Returns:

collection update
getCollectionUpdateCount()

Implements org.hibernate.stat.Statistics.getCollectionUpdateCount.

Global number of collections updated
public long

Returns:

session connect
getConnectCount()

Implements org.hibernate.stat.Statistics.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)
public long

Returns:

entity deletion count
getEntityDeleteCount()

Implements org.hibernate.stat.Statistics.getEntityDeleteCount.

Get global number of entity deletes
public long

Returns:

entity fetch (from DB)
getEntityFetchCount()

Implements org.hibernate.stat.Statistics.getEntityFetchCount.

Get global number of entity fetchs
public long

Returns:

entity insertion count
getEntityInsertCount()

Implements org.hibernate.stat.Statistics.getEntityInsertCount.

Get global number of entity inserts
public long

Returns:

entity load (from DB)
getEntityLoadCount()

Implements org.hibernate.stat.Statistics.getEntityLoadCount.

Get global number of entity loads
public String[]
getEntityNames()

Implements org.hibernate.stat.Statistics.getEntityNames.

Get the names of all entities
public EntityStatistics

Returns:

EntityStatistics object
getEntityStatistics(String
entity name
entityName)

Implements org.hibernate.stat.Statistics.getEntityStatistics.

find entity statistics per name
public long

Returns:

entity update
getEntityUpdateCount()

Implements org.hibernate.stat.Statistics.getEntityUpdateCount.

Get global number of entity updates
public long

Returns:

flush
getFlushCount()

Implements org.hibernate.stat.Statistics.getFlushCount.

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

Implements org.hibernate.stat.Statistics.getOptimisticFailureCount.

The number of StaleObjectStateExceptions that occurred
public long
getPrepareStatementCount()

Implements org.hibernate.stat.Statistics.getPrepareStatementCount.

The number of prepared statements that were acquired
public String[]
getQueries()

Implements org.hibernate.stat.Statistics.getQueries.

Get all executed query strings
public long
getQueryCacheHitCount()

Implements org.hibernate.stat.Statistics.getQueryCacheHitCount.

Get the global number of cached queries successfully retrieved from cache
public long
getQueryCacheMissCount()

Implements org.hibernate.stat.Statistics.getQueryCacheMissCount.

Get the global number of cached queries *not* found in cache
public long
getQueryCachePutCount()

Implements org.hibernate.stat.Statistics.getQueryCachePutCount.

Get the global number of cacheable queries put in cache
public long
getQueryExecutionCount()

Implements org.hibernate.stat.Statistics.getQueryExecutionCount.

Get global number of executed queries
public long

Returns:

Returns the max query execution time, for all queries
getQueryExecutionMaxTime()

Implements org.hibernate.stat.Statistics.getQueryExecutionMaxTime.

Get the time in milliseconds of the slowest query.
public String
getQueryExecutionMaxTimeQueryString()

Implements org.hibernate.stat.Statistics.getQueryExecutionMaxTimeQueryString.

Get the query string for the slowest query.
public QueryStatistics

Returns:

QueryStatistics
getQueryStatistics(String
query string
queryString)

Implements org.hibernate.stat.Statistics.getQueryStatistics.

Query statistics from query string (HQL or SQL)
public long

Returns:

second level cache hit
getSecondLevelCacheHitCount()

Implements org.hibernate.stat.Statistics.getSecondLevelCacheHitCount.

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

Returns:

second level cache miss
getSecondLevelCacheMissCount()

Implements org.hibernate.stat.Statistics.getSecondLevelCacheMissCount.

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

Returns:

second level cache put
getSecondLevelCachePutCount()

Implements org.hibernate.stat.Statistics.getSecondLevelCachePutCount.

Global number of cacheable entities/collections put in the cache
public String[]
getSecondLevelCacheRegionNames()

Implements org.hibernate.stat.Statistics.getSecondLevelCacheRegionNames.

Get all second-level cache region names
public SecondLevelCacheStatistics

Returns:

SecondLevelCacheStatistics
getSecondLevelCacheStatistics(String
region name
regionName)

Implements org.hibernate.stat.Statistics.getSecondLevelCacheStatistics.

Second level cache statistics per region
public long

Returns:

session closing
getSessionCloseCount()

Implements org.hibernate.stat.Statistics.getSessionCloseCount.

Global number of sessions closed
public long

Returns:

session opening
getSessionOpenCount()

Implements org.hibernate.stat.Statistics.getSessionOpenCount.

Global number of sessions opened
public long

Returns:

start time in ms (JVM standards System#currentTimeMillis())
getStartTime()

Implements org.hibernate.stat.Statistics.getStartTime.

public long
getSuccessfulTransactionCount()

Implements org.hibernate.stat.Statistics.getSuccessfulTransactionCount.

The number of transactions we know to have been successful
public long
getTransactionCount()

Implements org.hibernate.stat.Statistics.getTransactionCount.

The number of transactions we know to have completed
public void
insertEntity(String
The name of the entity inserted
entityName)

Implements org.hibernate.stat.StatisticsImplementor.insertEntity.

Callback about an entity being inserted
public boolean
isStatisticsEnabled()

Implements org.hibernate.stat.Statistics.isStatisticsEnabled.

Are statistics logged
public void
loadCollection(String
The collection role.
role)

Implements org.hibernate.stat.StatisticsImplementor.loadCollection.

Callback about a collection loading.
public void
loadEntity(String
The name of the entity loaded.
entityName)

Implements org.hibernate.stat.StatisticsImplementor.loadEntity.

Callback about an entity being loaded.
public void
logSummary()

Implements org.hibernate.stat.Statistics.logSummary.

log in info level the main statistics
public void
openSession()

Implements org.hibernate.stat.StatisticsImplementor.openSession.

Callback about a session being opened.
public void
optimisticFailure(String
The name of the entity.
entityName)

Implements org.hibernate.stat.StatisticsImplementor.optimisticFailure.

Callback about an optimistic lock failure on an entity
public void
prepareStatement()

Implements org.hibernate.stat.StatisticsImplementor.prepareStatement.

Callback about a statement being prepared.
public void
queryCacheHit(String
The query
hql, String
The name of the cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.queryCacheHit.

Callback indicating a get from the query cache resulted in a hit.
public void
queryCacheMiss(String
The query
hql, String
The name of the cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.queryCacheMiss.

Callback indicating a get from the query cache resulted in a miss.
public void
queryCachePut(String
The query
hql, String
The cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.queryCachePut.

Callback indicating a put into the query cache.
public void
queryExecuted(String
The query
hql, int
Number of rows returned
rows, long
execution time
time)

Implements org.hibernate.stat.StatisticsImplementor.queryExecuted.

Callback indicating execution of a sql/hql query
public void
recreateCollection(String
The collection role.
role)

Implements org.hibernate.stat.StatisticsImplementor.recreateCollection.

Callback indicating a collection recreation (full deletion + full (re-)insertion).
public void
removeCollection(String
The collection role.
role)

Implements org.hibernate.stat.StatisticsImplementor.removeCollection.

Callback indicating a collection removal.
public void
secondLevelCacheHit(String
The name of the cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.secondLevelCacheHit.

Callback indicating a get from second level cache resulted in a hit.
public void
secondLevelCacheMiss(String
The name of the cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.secondLevelCacheMiss.

Callback indicating a get from second level cache resulted in a miss.
public void
secondLevelCachePut(String
The name of the cache region
regionName)

Implements org.hibernate.stat.StatisticsImplementor.secondLevelCachePut.

Callback indicating a put into second level cache.
public void
setStatisticsEnabled(boolean b)

Implements org.hibernate.stat.Statistics.setStatisticsEnabled.

Enable statistics logs (this is a dynamic parameter)
public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.
public void
updateCollection(String
The collection role.
role)

Implements org.hibernate.stat.StatisticsImplementor.updateCollection.

Callback indicating a collection was updated.
public void
updateEntity(String
The name of the entity updated.
entityName)

Implements org.hibernate.stat.StatisticsImplementor.updateEntity.

Callback about an entity being updated.
Inherited from java.lang.Object:
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