com.haulmont.cuba.core.app

Interface PersistenceManagerAPI

All Known Implementing Classes:

PersistenceManager

public interface PersistenceManagerAPI

Caches database metadata information and entity statistics.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

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()
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
void	refreshStatisticsForEntity(java.lang.String name)
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.

Field Detail

NAME

static final java.lang.String NAME

See Also:

Constant Field Values

Method Detail

useLazyCollection

boolean useLazyCollection(java.lang.String entityName)

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

Parameters:

entityName - entity name

Returns:

true if lazy collection datasource should be used for this entity

useLookupScreen

boolean useLookupScreen(java.lang.String entityName)

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

Parameters:

entityName - entity name

Returns:

true if lookup screen should be used

getFetchUI

int getFetchUI(java.lang.String entityName)

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

Parameters:

entityName - entity name

Returns:

maximum number of rows

getMaxFetchUI

int getMaxFetchUI(java.lang.String entityName)

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

Parameters:

entityName - entity name

Returns:

maximum number of rows

flushStatisticsCache

void flushStatisticsCache()

refreshStatisticsForEntity

void refreshStatisticsForEntity(java.lang.String name)

deleteStatistics

void deleteStatistics(java.lang.String name)

enterStatistics

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)

getEntityStatistics

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