com.haulmont.cuba.core.app

Class PersistenceManager

java.lang.Object

com.haulmont.cuba.core.app.PersistenceManager

All Implemented Interfaces:

PersistenceManagerAPI

@Component(value="cuba_PersistenceManager")
public class PersistenceManager
extends java.lang.Object
implements PersistenceManagerAPI

Field Summary

Fields

Modifier and Type	Field and Description
protected PersistenceConfig	config
protected Metadata	metadata
protected Persistence	persistence
protected PersistenceSecurity	security
protected java.util.Map<java.lang.String,EntityStatistics>	statisticsCache

Fields inherited from interface com.haulmont.cuba.core.app.PersistenceManagerAPI

NAME

Constructor Summary

Constructors

Constructor and Description
PersistenceManager()

Method Summary

Modifier and Type	Method and Description
void	deleteStatistics(java.lang.String name)
EntityStatistics	enterStatistics(java.lang.String name, java.lang.Long instanceCount, java.lang.Integer fetchUI, java.lang.Integer maxFetchUI, java.lang.Integer lazyCollectionThreshold, java.lang.Integer lookupScreenThreshold)
void	flushStatisticsCache()
java.util.SortedMap<java.lang.String,EntityStatistics>	getEntityStatistics()
protected EntityStatistics	getEntityStatisticsInstance(java.lang.String name, EntityManager em)
int	getFetchUI(java.lang.String entityName) Return a limit of rows fetched for UI components in 'normal' conditions
int	getMaxFetchUI(java.lang.String entityName) Return the absolute maximum number of rows that can be fetched for UI components
protected java.lang.String	getOriginalOrThisEntityName(java.lang.String entityName)
protected java.util.Map<java.lang.String,EntityStatistics>	getStatisticsCache()
protected void	internalLoadStatisticsCache()
void	refreshStatisticsForEntity(java.lang.String name)
void	setConfiguration(Configuration configuration)
boolean	useLazyCollection(java.lang.String entityName) Whether to use a lazy collection datasource for this entity, based on current statistics.
boolean	useLookupScreen(java.lang.String entityName) Whether to use a lookup screen or a dropdown for this entity, based on current statistics.

Methods inherited from class java.lang.Object

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

Field Detail

statisticsCache

protected java.util.Map<java.lang.String,EntityStatistics> statisticsCache

persistence

@Inject
protected Persistence persistence

metadata

@Inject
protected Metadata metadata

security

@Inject
protected PersistenceSecurity security

config

protected PersistenceConfig config

Constructor Detail

PersistenceManager

public PersistenceManager()

Method Detail

setConfiguration

@Inject
public void setConfiguration(Configuration configuration)

useLazyCollection

public boolean useLazyCollection(java.lang.String entityName)

Description copied from interface: PersistenceManagerAPI

Whether to use a lazy collection datasource for this entity, based on current statistics.

Specified by:

useLazyCollection in interface PersistenceManagerAPI

Parameters:

entityName - entity name

Returns:

true if lazy collection datasource should be used for this entity

useLookupScreen

public boolean useLookupScreen(java.lang.String entityName)

Description copied from interface: PersistenceManagerAPI

Whether to use a lookup screen or a dropdown for this entity, based on current statistics.

Specified by:

useLookupScreen in interface PersistenceManagerAPI

Parameters:

entityName - entity name

Returns:

true if lookup screen should be used

getFetchUI

public int getFetchUI(java.lang.String entityName)

Description copied from interface: PersistenceManagerAPI

Return a limit of rows fetched for UI components in 'normal' conditions

Specified by:

getFetchUI in interface PersistenceManagerAPI

Parameters:

entityName - entity name

Returns:

maximum number of rows

getMaxFetchUI

public int getMaxFetchUI(java.lang.String entityName)

Description copied from interface: PersistenceManagerAPI

Return the absolute maximum number of rows that can be fetched for UI components

Specified by:

getMaxFetchUI in interface PersistenceManagerAPI

Parameters:

entityName - entity name

Returns:

maximum number of rows

getStatisticsCache

protected java.util.Map<java.lang.String,EntityStatistics> getStatisticsCache()

internalLoadStatisticsCache

protected void internalLoadStatisticsCache()

flushStatisticsCache

public void flushStatisticsCache()

Specified by:

flushStatisticsCache in interface PersistenceManagerAPI

enterStatistics

public EntityStatistics enterStatistics(java.lang.String name,
                                        java.lang.Long instanceCount,
                                        java.lang.Integer fetchUI,
                                        java.lang.Integer maxFetchUI,
                                        java.lang.Integer lazyCollectionThreshold,
                                        java.lang.Integer lookupScreenThreshold)

Specified by:

enterStatistics in interface PersistenceManagerAPI

getEntityStatistics

public java.util.SortedMap<java.lang.String,EntityStatistics> getEntityStatistics()

Specified by:

getEntityStatistics in interface PersistenceManagerAPI

deleteStatistics

public void deleteStatistics(java.lang.String name)

Specified by:

deleteStatistics in interface PersistenceManagerAPI

refreshStatisticsForEntity

public void refreshStatisticsForEntity(java.lang.String name)

Specified by:

refreshStatisticsForEntity in interface PersistenceManagerAPI

getEntityStatisticsInstance

protected EntityStatistics getEntityStatisticsInstance(java.lang.String name,
                                                       EntityManager em)

getOriginalOrThisEntityName

protected java.lang.String getOriginalOrThisEntityName(java.lang.String entityName)